Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

14 files changed, 1585 insertions, 0 deletions

diff --git a/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/aboutdebugging.ftl b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/aboutdebugging.ftl
new file mode 100644
index 0000000000..689b745765
--- /dev/null
+++ b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/aboutdebugging.ftl
@@ -0,0 +1,400 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+### These strings are used inside the about:debugging UI.
+
+
+# Page Title strings
+
+# Page title (ie tab title) for the Setup page
+about-debugging-page-title-setup-page = Depuración - Configuración
+
+# Page title (ie tab title) for the Runtime page
+# { $selectedRuntimeId } is the id of the current runtime, such as "this-firefox", "localhost:6080", ...
+about-debugging-page-title-runtime-page = Depuración - Tiempo de ejecución / { $selectedRuntimeId }
+
+# Sidebar strings
+
+# Display name of the runtime for the currently running instance of Firefox. Used in the
+# Sidebar and in the Setup page.
+about-debugging-this-firefox-runtime-name = Este { -brand-shorter-name }
+
+# Sidebar heading for selecting the currently running instance of Firefox
+about-debugging-sidebar-this-firefox =
+    .name = { about-debugging-this-firefox-runtime-name }
+
+# Sidebar heading for connecting to some remote source
+about-debugging-sidebar-setup =
+    .name = Configuración
+
+# Text displayed in the about:debugging sidebar when USB devices discovery is enabled.
+about-debugging-sidebar-usb-enabled = USB habilitado
+
+# Text displayed in the about:debugging sidebar when USB devices discovery is disabled
+# (for instance because the mandatory ADB extension is not installed).
+about-debugging-sidebar-usb-disabled = USB deshabilitado
+
+# Connection status (connected) for runtime items in the sidebar
+aboutdebugging-sidebar-runtime-connection-status-connected = Conectado
+# Connection status (disconnected) for runtime items in the sidebar
+aboutdebugging-sidebar-runtime-connection-status-disconnected = Desconectado
+
+# Text displayed in the about:debugging sidebar when no device was found.
+about-debugging-sidebar-no-devices = No se han encontrado dispositivos
+
+# Text displayed in buttons found in sidebar items representing remote runtimes.
+# Clicking on the button will attempt to connect to the runtime.
+about-debugging-sidebar-item-connect-button = Conectar
+
+# Text displayed in buttons found in sidebar items when the runtime is connecting.
+about-debugging-sidebar-item-connect-button-connecting = Conectando...
+
+# Text displayed in buttons found in sidebar items when the connection failed.
+about-debugging-sidebar-item-connect-button-connection-failed = Falló la conexión
+
+# Text displayed in connection warning on sidebar item of the runtime when connecting to
+# the runtime is taking too much time.
+about-debugging-sidebar-item-connect-button-connection-not-responding = La conexión todavía está pendiente, compruebe si hay mensajes en el navegador de destino
+
+# Text displayed as connection error in sidebar item when the connection has timed out.
+about-debugging-sidebar-item-connect-button-connection-timeout = La conexión ha caducado
+
+# Text displayed in sidebar items for remote devices where a compatible browser (eg
+# Firefox) has not been detected yet. Typically, Android phones connected via USB with
+# USB debugging enabled, but where Firefox is not started.
+about-debugging-sidebar-runtime-item-waiting-for-browser = Esperando al navegador...
+
+# Text displayed in sidebar items for remote devices that have been disconnected from the
+# computer.
+about-debugging-sidebar-runtime-item-unplugged = Desconectado
+
+# Title for runtime sidebar items that are related to a specific device (USB, WiFi).
+about-debugging-sidebar-runtime-item-name =
+    .title = { $displayName } ({ $deviceName })
+# Title for runtime sidebar items where we cannot get device information (network
+# locations).
+about-debugging-sidebar-runtime-item-name-no-device =
+    .title = { $displayName }
+
+# Text to show in the footer of the sidebar that links to a help page
+# (currently: https://firefox-source-docs.mozilla.org/devtools-user/about_colon_debugging/)
+about-debugging-sidebar-support = Asistencia de depuración
+
+# Text to show as the ALT attribute of a help icon that accompanies the help about
+# debugging link in the footer of the sidebar
+about-debugging-sidebar-support-icon =
+    .alt = Icono de Ayuda
+
+# Text displayed in a sidebar button to refresh the list of USB devices. Clicking on it
+# will attempt to update the list of devices displayed in the sidebar.
+about-debugging-refresh-usb-devices-button = Actualizar dispositivos
+
+# Setup Page strings
+
+# Title of the Setup page.
+about-debugging-setup-title = Configuración
+
+# Introduction text in the Setup page to explain how to configure remote debugging.
+about-debugging-setup-intro = Configure el método de conexión con el que desea depurar remotamente su dispositivo.
+
+# Explanatory text in the Setup page about what the 'This Firefox' page is for
+about-debugging-setup-this-firefox2 = Usa <a>{ about-debugging-this-firefox-runtime-name }</a> para depurar extensiones y service workers en esta versión de { -brand-shorter-name }.
+
+# Title of the heading Connect section of the Setup page.
+about-debugging-setup-connect-heading = Conectar un dispositivo
+
+# USB section of the Setup page
+about-debugging-setup-usb-title = USB
+
+# Explanatory text displayed in the Setup page when USB debugging is disabled
+about-debugging-setup-usb-disabled = Si habilita esta opción, se descargarán y agregarán los componentes de depuración necesarios de Android USB para { -brand-shorter-name }.
+
+# Text of the button displayed in the USB section of the setup page when USB debugging is disabled.
+# Clicking on it will download components needed to debug USB Devices remotely.
+about-debugging-setup-usb-enable-button = Habilitar dispositivos USB
+
+# Text of the button displayed in the USB section of the setup page when USB debugging is enabled.
+about-debugging-setup-usb-disable-button = Deshabilitar dispositivos USB
+
+# Text of the button displayed in the USB section of the setup page while USB debugging
+# components are downloaded and installed.
+about-debugging-setup-usb-updating-button = Actualizando...
+
+# USB section of the Setup page (USB status)
+about-debugging-setup-usb-status-enabled = Habilitado
+about-debugging-setup-usb-status-disabled = Deshabilitado
+about-debugging-setup-usb-status-updating = Actualizando...
+
+# USB section step by step guide
+about-debugging-setup-usb-step-enable-dev-menu2 = Activar menú de desarrollador en su dispositivo Android.
+
+# USB section step by step guide
+about-debugging-setup-usb-step-enable-debug2 = Activar depuración USB en el menú de desarrollador de Android.
+
+# USB section step by step guide
+about-debugging-setup-usb-step-enable-debug-firefox2 = Activar depuración USB en Firefox en el dispositivo Android.
+
+# USB section step by step guide
+about-debugging-setup-usb-step-plug-device = Conectar el dispositivo Android a su equipo.
+
+# Text shown in the USB section of the setup page with a link to troubleshoot connection errors.
+# The link goes to https://firefox-source-docs.mozilla.org/devtools-user/about_colon_debugging/index.html#connecting-to-a-remote-device
+about-debugging-setup-usb-troubleshoot = ¿Problemas de conexión al dispositivo USB? <a>Solucionar problemas</a>
+
+# Network section of the Setup page
+about-debugging-setup-network =
+    .title = Ubicación de red
+
+# Text shown in the Network section of the setup page with a link to troubleshoot connection errors.
+# The link goes to https://firefox-source-docs.mozilla.org/devtools-user/about_colon_debugging/index.html#connecting-over-the-network
+about-debugging-setup-network-troubleshoot = ¿Problemas de conexión a través de la ubicación de la red? <a>Solucionar problemas</a>
+
+# Text of a button displayed after the network locations "Host" input.
+# Clicking on it will add the new network location to the list.
+about-debugging-network-locations-add-button = Agregar
+
+# Text to display when there are no locations to show.
+about-debugging-network-locations-empty-text = No se han añadido ubicaciones de red.
+
+# Text of the label for the text input that allows users to add new network locations in
+# the Connect page. A host is a hostname and a port separated by a colon, as suggested by
+# the input's placeholder "localhost:6080".
+about-debugging-network-locations-host-input-label = Servidor
+
+# Text of a button displayed next to existing network locations in the Connect page.
+# Clicking on it removes the network location from the list.
+about-debugging-network-locations-remove-button = Eliminar
+
+# Text used as error message if the format of the input value was invalid in the network locations form of the Setup page.
+# Variables:
+#   $host-value (string) - The input value submitted by the user in the network locations form
+about-debugging-network-location-form-invalid = El servidor no es válido “{ $host-value }”. El formato esperado es "nombreDeServidor:numeroDePuerto".
+
+# Text used as error message if the input value was already registered in the network locations form of the Setup page.
+# Variables:
+#   $host-value (string) - The input value submitted by the user in the network locations form
+about-debugging-network-location-form-duplicate = El servidor “{ $host-value }” ya está registrado
+
+# Runtime Page strings
+
+# Below are the titles for the various categories of debug targets that can be found
+# on "runtime" pages of about:debugging.
+# Title of the temporary extensions category (only available for "This Firefox" runtime).
+about-debugging-runtime-temporary-extensions =
+    .name = Extensiones temporales
+# Title of the extensions category.
+about-debugging-runtime-extensions =
+    .name = Extensiones
+# Title of the tabs category.
+about-debugging-runtime-tabs =
+    .name = Pestañas
+# Title of the service workers category.
+about-debugging-runtime-service-workers =
+    .name = Service Workers
+# Title of the shared workers category.
+about-debugging-runtime-shared-workers =
+    .name = Shared Workers
+# Title of the other workers category.
+about-debugging-runtime-other-workers =
+    .name = Otros Workers
+# Title of the processes category.
+about-debugging-runtime-processes =
+    .name = Procesos
+
+# Label of the button opening the performance profiler panel in runtime pages for remote
+# runtimes.
+about-debugging-runtime-profile-button2 = Rendimiento del perfil
+
+# This string is displayed in the runtime page if the current configuration of the
+# target runtime is incompatible with service workers. "Learn more" points to:
+# https://firefox-source-docs.mozilla.org/devtools-user/about_colon_debugging/index.html#service-workers-not-compatible
+about-debugging-runtime-service-workers-not-compatible = La configuración de su navegador no es compatible con Service Workers. <a>Saber más</a>
+
+# This string is displayed in the runtime page if the remote browser version is too old.
+# "Troubleshooting" link points to https://firefox-source-docs.mozilla.org/devtools-user/about_colon_debugging/
+# { $runtimeVersion } is the version of the remote browser (for instance "67.0a1")
+# { $minVersion } is the minimum version that is compatible with the current Firefox instance (same format)
+about-debugging-browser-version-too-old = El navegador conectado tiene una versión antigua ({ $runtimeVersion }). La versión mínima compatible es ({ $minVersion }). Ésta es una configuración incompatible y puede hacer que las herramientas de desarrollo fallen. Por favor, actualice el navegador conectado. <a>Resolución de problemas</a>
+
+# Dedicated message for a backward compatibility issue that occurs when connecting:
+# from Fx 70+ to the old Firefox for Android (aka Fennec) which uses Fx 68.
+about-debugging-browser-version-too-old-fennec = Esta versión de Firefox no puede depurar Firefox para Android (68). Recomendamos instalar Firefox para Android Nightly en su teléfono para realizar pruebas. <a>Más detalles</a>
+
+# This string is displayed in the runtime page if the remote browser version is too recent.
+# "Troubleshooting" link points to https://firefox-source-docs.mozilla.org/devtools-user/about_colon_debugging/
+# { $runtimeID } is the build ID of the remote browser (for instance "20181231", format is yyyyMMdd)
+# { $localID } is the build ID of the current Firefox instance (same format)
+# { $runtimeVersion } is the version of the remote browser (for instance "67.0a1")
+# { $localVersion } is the version of your current browser (same format)
+about-debugging-browser-version-too-recent = El navegador conectado es más reciente ({ $runtimeVersion }, buildID { $runtimeID }) que su { -brand-shorter-name } ({ $localVersion }, buildID { $localID }). Ésta es una configuración incompatible y puede hacer que las herramientas de desarrollo fallen. Por favor actualice Firefox. <a>Resolución de problemas</a>
+
+# Displayed for runtime info in runtime pages.
+# { $name } is brand name such as "Firefox Nightly"
+# { $version } is version such as "64.0a1"
+about-debugging-runtime-name = { $name } ({ $version })
+
+# Text of a button displayed in Runtime pages for remote runtimes.
+# Clicking on the button will close the connection to the runtime.
+about-debugging-runtime-disconnect-button = Desconectar
+
+# Text of the connection prompt button displayed in Runtime pages, when the preference
+# "devtools.debugger.prompt-connection" is false on the target runtime.
+about-debugging-connection-prompt-enable-button = Activar solicitud de conexión
+
+# Text of the connection prompt button displayed in Runtime pages, when the preference
+# "devtools.debugger.prompt-connection" is true on the target runtime.
+about-debugging-connection-prompt-disable-button = Desactivar solicitud de conexión
+
+# Title of a modal dialog displayed on remote runtime pages after clicking on the Profile Runtime button.
+about-debugging-profiler-dialog-title2 = Analizador
+
+# Clicking on the header of a debug target category will expand or collapse the debug
+# target items in the category. This text is used as ’title’ attribute of the header,
+# to describe this feature.
+about-debugging-collapse-expand-debug-targets = Contraer / expandir
+
+# Debug Targets strings
+
+# Displayed in the categories of "runtime" pages that don't have any debug target to
+# show. Debug targets depend on the category (extensions, tabs, workers...).
+about-debugging-debug-target-list-empty = Nada todavía.
+
+# Text of a button displayed next to debug targets of "runtime" pages. Clicking on this
+# button will open a DevTools toolbox that will allow inspecting the target.
+# A target can be an addon, a tab, a worker...
+about-debugging-debug-target-inspect-button = Inspeccionar
+
+# Text of a button displayed in the "This Firefox" page, in the Temporary Extension
+# section. Clicking on the button will open a file picker to load a temporary extension
+about-debugging-tmp-extension-install-button = Cargar complemento temporal...
+
+# Text displayed when trying to install a temporary extension in the "This Firefox" page.
+about-debugging-tmp-extension-install-error = Hubo un error durante la instalación del complemento temporal.
+
+# Text of a button displayed for a temporary extension loaded in the "This Firefox" page.
+# Clicking on the button will reload the extension.
+about-debugging-tmp-extension-reload-button = Recargar
+
+# Text of a button displayed for a temporary extension loaded in the "This Firefox" page.
+# Clicking on the button will uninstall the extension and remove it from the page.
+about-debugging-tmp-extension-remove-button = Eliminar
+
+# Text of a button displayed for a temporary extension loaded in the "This Firefox" page.
+# Clicking on the button will forcefully terminate the extension background script (button
+# only visible in extensions that includes a non-persistent background script, either an
+# event page or a background service worker).
+about-debugging-tmp-extension-terminate-bgscript-button = Terminar secuencia de comandos en segundo plano
+
+# Message displayed in the file picker that opens to select a temporary extension to load
+# (triggered by the button using "about-debugging-tmp-extension-install-button")
+# manifest.json .xpi and .zip should not be localized.
+# Note: this message is only displayed in Windows and Linux platforms.
+about-debugging-tmp-extension-install-message = Selecciona el archivo manifest.json o .xpi/.zip
+
+# This string is displayed as a message about the add-on having a temporaryID.
+about-debugging-tmp-extension-temporary-id = Esta WebExtension tiene un ID temporal. <a>Saber más</a>
+
+# Text displayed for extensions in "runtime" pages, before displaying a link the extension's
+# manifest URL.
+about-debugging-extension-manifest-url =
+    .label = URL del manifiesto
+
+# Text displayed for extensions in "runtime" pages, before displaying the extension's uuid.
+# UUIDs look like b293e463-481e-5148-a487-5aaf7a130429
+about-debugging-extension-uuid =
+    .label = UUID interno
+
+# Text displayed for extensions (temporary extensions only) in "runtime" pages, before
+# displaying the location of the temporary extension.
+about-debugging-extension-location =
+    .label = Ubicación
+
+# Text displayed for extensions in "runtime" pages, before displaying the extension's ID.
+# For instance "geckoprofiler@mozilla.com" or "{ed26ddcb-5611-4512-a89a-51b8db81cfb2}".
+about-debugging-extension-id =
+    .label = ID de la extensión
+
+# Text displayed for extensions in "runtime" pages, before displaying the status of the
+# extension background script.
+about-debugging-extension-backgroundscript =
+    .label = Secuencia de comandos en segundo plano
+
+# Displayed for extension using a non-persistent background page (either an event page or
+# background service worker) when the background script is currently running.
+about-debugging-extension-backgroundscript-status-running = En ejecución
+
+# Displayed for extension using a non-persistent background page when is currently stopped.
+about-debugging-extension-backgroundscript-status-stopped = Detenido
+
+# This string is displayed as a label of the button that pushes a test payload
+# to a service worker.
+# Note this relates to the "Push" API, which is normally not localized so it is
+# probably better to not localize it.
+about-debugging-worker-action-push2 = Push
+    .disabledTitle = El Service Worker Push está actualmente desactivado para el modo multiproceso de { -brand-shorter-name }
+
+# This string is displayed as a label of the button that starts a service worker.
+about-debugging-worker-action-start2 = Inicio
+    .disabledTitle = El inicio de Service Worker está actualmente desactivado para el modo multiproceso de { -brand-shorter-name }
+
+# This string is displayed as a label of the button that unregisters a service worker.
+about-debugging-worker-action-unregister = Eliminar registro
+
+# Displayed for service workers in runtime pages that listen to Fetch events.
+about-debugging-worker-fetch-listening =
+    .label = Fetch
+    .value = Escuchando eventos fetch
+
+# Displayed for service workers in runtime pages that do not listen to Fetch events.
+about-debugging-worker-fetch-not-listening =
+    .label = Fetch
+    .value = No se están escuchando eventos fetch
+
+# Displayed for service workers in runtime pages that are currently running (service
+# worker instance is active).
+about-debugging-worker-status-running = En ejecución
+
+# Displayed for service workers in runtime pages that are registered but stopped.
+about-debugging-worker-status-stopped = Detenido
+
+# Displayed for service workers in runtime pages that are registering.
+about-debugging-worker-status-registering = Registrando
+
+# Displayed for service workers in runtime pages, to label the scope of a worker
+about-debugging-worker-scope =
+    .label = Ámbito
+
+# Displayed for service workers in runtime pages, to label the push service endpoint (url)
+# of a worker
+about-debugging-worker-push-service =
+    .label = Servicio Push
+
+# Displayed as title of the inspect button when service worker debugging is disabled.
+about-debugging-worker-inspect-action-disabled =
+    .title = La inspección de Service Worker está actualmente desactivada para el modo multiproceso de { -brand-shorter-name }
+
+# Displayed as title of the inspect button for zombie tabs (e.g. tabs loaded via a session restore).
+about-debugging-zombie-tab-inspect-action-disabled =
+    .title = La pestaña no está completamente cargada y no se puede inspeccionar
+
+# Displayed instead of the Main Process debug target when the preference
+# `devtools.browsertoolbox.fission` is true.
+about-debugging-multiprocess-toolbox-name = Caja de herramientas de multiproceso
+
+# Description for the Multiprocess Toolbox target.
+about-debugging-multiprocess-toolbox-description = Proceso principal y procesos de contenido para el navegador de destino
+
+# Alt text used for the close icon of message component (warnings, errors and notifications).
+about-debugging-message-close-icon =
+    .alt = Cerrar mensaje
+
+# Label text used for the error details of message component.
+about-debugging-message-details-label-error = Detalles del error
+
+# Label text used for the warning details of message component.
+about-debugging-message-details-label-warning = Detalles de la advertencia
+
+# Label text used for default state of details of message component.
+about-debugging-message-details-label = Detalles
diff --git a/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/accessibility.ftl b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/accessibility.ftl
new file mode 100644
index 0000000000..3bb8cf228e
--- /dev/null
+++ b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/accessibility.ftl
@@ -0,0 +1,99 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+### These strings are used inside the Accessibility panel.
+
+accessibility-learn-more = Saber más
+
+accessibility-text-label-header = Etiquetas de texto y nombres
+
+accessibility-keyboard-header = Teclado
+
+## Text entries that are used as text alternative for icons that depict accessibility isses.
+
+
+## These strings are used in the overlay displayed when running an audit in the accessibility panel
+
+accessibility-progress-initializing = Inicializando…
+    .aria-valuetext = Inicializando…
+
+# This string is displayed in the audit progress bar in the accessibility panel.
+# Variables:
+#   $nodeCount (Integer) - The number of nodes for which the audit was run so far.
+accessibility-progress-progressbar =
+    { $nodeCount ->
+        [one] Verificando { $nodeCount } nodo
+       *[other] Verificando { $nodeCount } nodos
+    }
+
+accessibility-progress-finishing = Finalizando…
+    .aria-valuetext = Finalizando…
+
+## Text entries that are used as text alternative for icons that depict accessibility issues.
+
+accessibility-warning =
+    .alt = Advertencia
+
+accessibility-fail =
+    .alt = Error
+
+accessibility-best-practices =
+    .alt = Prácticas idóneas
+
+## Text entries for a paragraph used in the accessibility panel sidebar's checks section
+## that describe that currently selected accessible object has an accessibility issue
+## with its text label or accessible name.
+
+accessibility-text-label-issue-area = Use <code>alt</code> para etiquetar los elementos del <div>área</div> que tengan el atributo <span>href</span>. <a>Saber más</a>
+
+accessibility-text-label-issue-dialog = Los cuadros de diálogo deben etiquetarse. <a>Más información</a>
+
+accessibility-text-label-issue-document-title = Los documentos deben llevar <code>título</code>. <a>Descubre más</a>
+
+accessibility-text-label-issue-embed = El contenido incrustado debe etiquetarse. <a>Más información</a>
+
+accessibility-text-label-issue-figure = Las figuras con subtítulos opcionales tienen que etiquetarse. <a>Saber más</a>
+
+accessibility-text-label-issue-fieldset = Los elementos <code>fieldset</code> deben ser etiquetados. <a>Saber más</a>
+
+accessibility-text-label-issue-fieldset-legend2 = Use un elemento <code>legend</code> para etiquetar un <span>fieldset</span>. <a>Saber más</a>
+
+accessibility-text-label-issue-form = Los elementos del formulario deben etiquetarse. <a>Más información</a>
+
+accessibility-text-label-issue-form-visible = Los elementos de formulario deberían tener una etiqueta de texto visible. <a>Saber más</a>
+
+accessibility-text-label-issue-frame = Los elementos <code>frame</code> deben ser etiquetados. <a>Saber más</a>
+
+accessibility-text-label-issue-glyph = Use el atributo <code>alt</code> para etiquetar elementos <span>mglyph</span>. <a>Saber más</a>
+
+accessibility-text-label-issue-heading = Los encabezados deben ser etiquetados. <a>Saber más</a>
+
+accessibility-text-label-issue-heading-content = Los encabezados deberían tener contenido de texto visible. <a>Saber más</a>
+
+accessibility-text-label-issue-iframe = Use el atributo <code>title</code> para describir contenido <span>iframe</span>. <a>Saber más</a>
+
+accessibility-text-label-issue-image = El contenido con imágenes debe ser etiquetado. <a>Saber más</a>
+
+accessibility-text-label-issue-interactive = Los elementos interactivos deben ser etiquetados. <a>Saber más</a>
+
+accessibility-text-label-issue-optgroup-label2 = Use el atributo <code>label</code> para etiquetar un <span>optgroup</span>. <a>Saber más</a>
+
+accessibility-text-label-issue-toolbar = Las barras de herramientas deben estar etiquetadas cuando hay más de una barra de herramientas. <a>Saber más</a>
+
+## Text entries for a paragraph used in the accessibility panel sidebar's checks section
+## that describe that currently selected accessible object has a keyboard accessibility
+## issue.
+
+accessibility-keyboard-issue-semantics = Los elementos que pueden recibir el foco deberían tener una semántica interactiva. <a>Saber más</a>
+
+accessibility-keyboard-issue-tabindex = Evite utilizar el atributo <code>tabindex</code> mayor que cero. <a>Saber más</a>
+
+accessibility-keyboard-issue-action = Los elementos interactivos tienen que poder activarse con el teclado. <a>Saber más</a>
+
+accessibility-keyboard-issue-focusable = Los elementos interactivos tiene que poder recibir el foco. <a>Saber más</a>
+
+accessibility-keyboard-issue-focus-visible = Al elemento que puede recibir el foco le puede faltar estilo de enfoque. <a>Saber más</a>
+
+accessibility-keyboard-issue-mouse-only = Los elementos sobre los que se puede hacer clic tienen que poder recibir el foco y deberían tener una semántica interactiva. <a>Saber más</a>
diff --git a/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/application.ftl b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/application.ftl
new file mode 100644
index 0000000000..60f2878e1b
--- /dev/null
+++ b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/application.ftl
@@ -0,0 +1,147 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+### These strings are used inside the Application panel which is available
+### by setting the preference `devtools-application-enabled` to true.
+
+
+### The correct localization of this file might be to keep it in English, or another
+### language commonly spoken among web developers. You want to make that choice consistent
+### across the developer tools. A good criteria is the language in which you'd find the
+### best documentation on web development on the web.
+
+# Header for the list of Service Workers displayed in the application panel for the current page.
+serviceworker-list-header = Service Workers
+
+# Text displayed next to the list of Service Workers to encourage users to check out
+# about:debugging to see all registered Service Workers.
+serviceworker-list-aboutdebugging = Abra <a>about:debugging</a> para Service Workers de otros dominios
+
+# Text for the button to unregister a Service Worker. Displayed for active Service Workers.
+serviceworker-worker-unregister = Deregistrar
+
+# Text for the debug link displayed for an already started Service Worker. Clicking on the
+# link opens a new devtools toolbox for this service worker. The title attribute is only
+# displayed when the link is disabled.
+serviceworker-worker-debug = Depurar
+    .title = Solo se pueden depurar service workers en ejecución
+
+# Alt text for the image icon displayed inside a debug link for a service worker.
+serviceworker-worker-inspect-icon =
+    .alt = Inspeccionar
+
+# Text for the start link displayed for a registered but not running Service Worker.
+# Clicking on the link will attempt to start the service worker.
+serviceworker-worker-start3 = Iniciar
+
+# Text displayed for the updated time of the service worker. The <time> element will
+# display the last update time of the service worker script.
+serviceworker-worker-updated = Actualizado el <time>{ DATETIME($date, month: "long", year: "numeric", day: "numeric", hour: "numeric", minute: "numeric", second: "numeric") }</time>
+
+## Service Worker status strings: all serviceworker-worker-status-* strings are also
+## defined in aboutdebugging.properties and should be synchronized with them.
+
+# Service Worker status. A running service worker is registered, currently executed, can
+# be debugged and stopped.
+serviceworker-worker-status-running = En ejecución
+
+# Service Worker status. A stopped service worker is registered but not currently active.
+serviceworker-worker-status-stopped = Detenido
+
+# Text displayed when no service workers are visible for the current page.
+serviceworker-empty-intro2 = No se han encontrado service workers
+
+# Link will open https://developer.mozilla.org/docs/Web/API/Service_Worker_API/Using_Service_Workers
+serviceworker-empty-intro-link = Saber más
+
+# Text displayed when there are no Service Workers to display for the current page,
+# introducing hints to debug Service Worker issues.
+# <a> and <span> are links that will open the webconsole and the debugger, respectively.
+serviceworker-empty-suggestions2 = Si la página actual debe tener un service worker, puede buscar errores en la <a>Consola</a> o ir al registro de su service worker en el <span>Depurador</span>.
+
+# Suggestion to go to about:debugging in order to see Service Workers for all domains.
+# Link will open about:debugging in a new tab.
+serviceworker-empty-suggestions-aboutdebugging2 = Ver service workers de otros dominios
+
+# Header for the Manifest page when we have an actual manifest
+manifest-view-header = Manifesto de la aplicación
+
+# Header for the Manifest page when there's no manifest to inspect
+manifest-empty-intro2 = No se detectó ningún manifiesto de aplicación web
+
+# The link will open https://developer.mozilla.org/en-US/docs/Web/Manifest
+manifest-empty-intro-link = Aprenda a añadir un manifesto
+
+# Header for the Errors and Warnings section of Manifest inspection displayed in the application panel.
+manifest-item-warnings = Errores y advertencias
+
+# Header for the Identity section of Manifest inspection displayed in the application panel.
+manifest-item-identity = Identidad
+
+# Header for the Presentation section of Manifest inspection displayed in the application panel.
+manifest-item-presentation = Presentación
+
+# Header for the Icon section of Manifest inspection displayed in the application panel.
+manifest-item-icons = Iconos
+
+# Text displayed while we are loading the manifest file
+manifest-loading = Cargando manifesto...
+
+# Text displayed when the manifest has been successfully loaded
+manifest-loaded-ok = Se cargó el manifesto.
+
+# Text displayed as a caption when there has been an error while trying to
+# load the manifest
+manifest-loaded-error = Hubo un error al cargar el manifesto:
+
+# Text displayed as an error when there has been a Firefox DevTools error while
+# trying to load the manifest
+manifest-loaded-devtools-error = Error de Firefox DevTools
+
+# Text displayed when the page has no manifest available
+manifest-non-existing = No se encontró ningún manifesto.
+
+# Text displayed when the page has a manifest embedded in a Data URL and
+# thus we cannot link to it.
+manifest-json-link-data-url = El manifiesto está integrado en una URL de datos.
+
+# Text displayed at manifest icons to label their purpose, as declared
+# in the manifest.
+manifest-icon-purpose = Propósito: <code>{ $purpose }</code>
+
+# Text displayed as the alt attribute for <img> tags showing the icons in the
+# manifest.
+manifest-icon-img =
+    .alt = Icono
+
+# Text displayed as the title attribute for <img> tags showing the icons in the
+# manifest. `$sizes` is a user-dependent string that has been parsed as a
+# space-separated list of `<width>x<height>` sizes or the keyword `any`.
+manifest-icon-img-title = Icono con tamaños: { $sizes }
+
+# Text displayed as the title attribute for <img> tags showing the icons in the
+# manifest, in case there's no icon size specified by the user
+manifest-icon-img-title-no-sizes = Icono de tamaño no especificado
+
+# Sidebar navigation item for Manifest sidebar item section
+sidebar-item-manifest = Manifesto
+    .alt = Icono del Manifesto
+    .title = Manifesto
+
+# Sidebar navigation item for Service Workers sidebar item section
+sidebar-item-service-workers = Service Workers
+    .alt = Icono de Service Workers
+    .title = Service Workers
+
+# Text for the ALT and TITLE attributes of the warning icon
+icon-warning =
+    .alt = Icono de advertencia
+    .title = Advertencia
+
+# Text for the ALT and TITLE attributes of the error icon
+icon-error =
+    .alt = Icono de error
+    .title = Error
+
diff --git a/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/compatibility.ftl b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/compatibility.ftl
new file mode 100644
index 0000000000..470c7c62ed
--- /dev/null
+++ b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/compatibility.ftl
@@ -0,0 +1,54 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+## Messages used as headers in the main pane
+
+compatibility-selected-element-header = Elemento seleccionado
+compatibility-all-elements-header = Todos los problemas
+
+## Message used as labels for the type of issue
+
+compatibility-issue-deprecated = (obsoleto)
+compatibility-issue-experimental = (experimental)
+compatibility-issue-prefixneeded = (se necesita prefijo)
+compatibility-issue-deprecated-experimental = (obsoleto, experimental)
+compatibility-issue-deprecated-prefixneeded = (obsoleto, se necesita prefijo)
+compatibility-issue-experimental-prefixneeded = (experimental, se necesita prefijo)
+compatibility-issue-deprecated-experimental-prefixneeded = (obsoleto, experimental, se necesita prefijo)
+
+## Messages used as labels and titles for buttons in the footer
+
+compatibility-settings-button-label = Ajustes
+compatibility-settings-button-title =
+    .title = Ajustes
+
+## Messages used as headers in settings pane
+
+compatibility-settings-header = Ajustes
+compatibility-target-browsers-header = Navegadores de destino
+
+##
+
+# Text used as the label for the number of nodes where the issue occurred
+# Variables:
+#   $number (Number) - The number of nodes where the issue occurred
+compatibility-issue-occurrences =
+    { $number ->
+        [one] { $number } ocurrencia
+       *[other] { $number } ocurrencias
+    }
+
+compatibility-no-issues-found = No se encontraron problemas de compatibilidad.
+compatibility-close-settings-button =
+    .title = Cerrar ajustes
+
+# Text used in the element containing the browser icons for a given compatibility issue.
+# Line breaks are significant.
+# Variables:
+#   $browsers (String) - A line-separated list of browser information (e.g. Firefox 98\nChrome 99).
+compatibility-issue-browsers-list =
+    .title =
+        Problemas de compatibilidad en:
+        { $browsers }
diff --git a/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/perftools.ftl b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/perftools.ftl
new file mode 100644
index 0000000000..cd6b988381
--- /dev/null
+++ b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/perftools.ftl
@@ -0,0 +1,161 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+### These strings are used in DevTools’ performance-new panel, about:profiling, and
+### the remote profiling panel. There are additional profiler strings in the appmenu.ftl
+### file that are used for the profiler popup.
+
+perftools-intro-title = Ajustes del perfilador
+perftools-intro-description =
+    Las grabaciones abren profiler.firefox.com en una nueva pestaña. Todos los datos están almacenados
+    localmente, pero puede elegir subirlos para compartirlos.
+
+## All of the headings for the various sections.
+
+perftools-heading-settings = Configuración completa
+perftools-heading-buffer = Ajustes de buffer
+perftools-heading-features = Funcionalidades
+perftools-heading-features-default = Funciones (se recomienda activarlas de forma predeterminada)
+perftools-heading-features-disabled = Funcionalidades desactivadas
+perftools-heading-features-experimental = Experimental
+perftools-heading-threads = Hilos
+perftools-heading-threads-jvm = Subprocesos JVM
+perftools-heading-local-build = Compilación local
+
+##
+
+perftools-description-intro =
+    Las grabaciones abren <a>profiler.firefox.com</a> en una nueva pestaña. Todos los datos están almacenados
+    localmente, pero puede elegir subirlos para compartirlos.
+perftools-description-local-build =
+    Si está perfilando una compilación hecha por usted mismo en esta
+    máquina, añada el objdir de la misma a la lista de abajo para que
+    pueda utilizarse para buscar información de símbolos.
+
+## The controls for the interval at which the profiler samples the code.
+
+perftools-range-interval-label = Intervalo de muestreo:
+perftools-range-interval-milliseconds = { NUMBER($interval, maxFractionalUnits: 2) } ms
+
+##
+
+# The size of the memory buffer used to store things in the profiler.
+perftools-range-entries-label = Tamaño del buffer:
+
+perftools-custom-threads-label = Añadir hilos personalizados por nombre:
+
+perftools-devtools-interval-label = Intervalo:
+perftools-devtools-threads-label = Hilos:
+perftools-devtools-settings-label = Ajustes
+
+## Various statuses that affect the current state of profiling, not typically displayed.
+
+perftools-status-recording-stopped-by-another-tool = Otra herramienta detuvo la grabación.
+perftools-status-restart-required = Se debe reiniciar el navegador para activar esta función.
+
+## These are shown briefly when the user is waiting for the profiler to respond.
+
+perftools-request-to-stop-profiler = Deteniendo grabación
+perftools-request-to-get-profile-and-stop-profiler = Capturando perfil
+
+##
+
+perftools-button-start-recording = Iniciar grabación
+perftools-button-capture-recording = Capturar la grabación
+perftools-button-cancel-recording = Guardar grabación
+perftools-button-save-settings = Guardar ajustes y volver
+perftools-button-restart = Reiniciar
+perftools-button-add-directory = Añadir un directorio
+perftools-button-remove-directory = Eliminar lo seleccionado
+perftools-button-edit-settings = Editar ajustes…
+
+## These messages are descriptions of the threads that can be enabled for the profiler.
+
+perftools-thread-gecko-main =
+    .title = Los procesos principales tanto para el proceso principal como para los procesos de contenido
+perftools-thread-compositor =
+    .title = Combina diferentes elementos pintados en la página.
+perftools-thread-dom-worker =
+    .title = Esto se ocupa tanto de los web workers como de los service workers
+perftools-thread-renderer =
+    .title = Cuando WebRender está activado, el hilo que ejecuta las llamadas OpenGL
+perftools-thread-render-backend =
+    .title = El hilo WebRender RenderBackend
+perftools-thread-timer =
+    .title = Los temporizadores de manejo de subprocesos (setTimeout, setInterval, nsITimer)
+perftools-thread-style-thread =
+    .title = El cálculo de estilo se divide en múltiples hilos
+pref-thread-stream-trans =
+    .title = Transporte de flujo de red
+perftools-thread-socket-thread =
+    .title = El hilo donde el código de red ejecuta cualquier llamada bloqueante de socket
+perftools-thread-img-decoder =
+    .title = Hilos de decodificación de imágenes
+perftools-thread-dns-resolver =
+    .title = La resolución de DNS ocurre en este hilo
+perftools-thread-task-controller =
+    .title = Hilos del grupo de subprocesos de TaskController
+perftools-thread-jvm-gecko =
+    .title = El subproceso principal de Gecko JVM
+perftools-thread-jvm-nimbus =
+    .title = Los subprocesos principales para el SDK de experimentos de Nimbus
+perftools-thread-jvm-default-dispatcher =
+    .title = El dispatcher predeterminado para la biblioteca de rutinas de Kotlin
+perftools-thread-jvm-glean =
+    .title = Los subprocesos principales del SDK de telemetría de Glean
+perftools-thread-jvm-arch-disk-io =
+    .title = El dispatcher IO para la librería de rutinas de Kotlin
+perftools-thread-jvm-pool =
+    .title = Subprocesos creados en un grupo de subprocesos sin nombre
+
+##
+
+perftools-record-all-registered-threads = Omitir las selecciones de arriba y grabar todos los hilos registrados
+
+perftools-tools-threads-input-label =
+    .title = Estos nombres de hilos son una lista separada por comas que se utiliza para activar la creación de perfiles de los hilos en el perfilador. El nombre debe ser solo una coincidencia parcial del nombre del hilo para que se incluya. Es sensible a los espacios en blanco.
+
+## Onboarding UI labels. These labels are displayed in the new performance panel UI, when
+## devtools.performance.new-panel-onboarding preference is true.
+
+perftools-onboarding-message = <b>Nuevo</b>: { -profiler-brand-name } ahora está integrado en las herramientas para desarrolladores. <a>Saber más</a> sobre esta poderosa herramienta.
+
+perftools-onboarding-close-button =
+    .aria-label = Cerrar el mensaje introductorio
+
+## Profiler presets
+
+
+# Presets and their l10n IDs are defined in the file
+# devtools/client/performance-new/popup/background.jsm.js
+# The same labels and descriptions are also defined in appmenu.ftl.
+
+# Presets and their l10n IDs are defined in the file
+# devtools/client/performance-new/shared/background.jsm.js
+# The same labels and descriptions are also defined in appmenu.ftl.
+
+perftools-presets-web-developer-label = Desarrollador web
+perftools-presets-web-developer-description = Configuración recomendada para la depuración de la mayoría de aplicaciones web, con poca sobrecarga.
+
+perftools-presets-firefox-label = { -brand-shorter-name }
+perftools-presets-firefox-description = Valor predeterminado recomendado para la creación de perfiles { -brand-shorter-name }.
+
+perftools-presets-graphics-label = Gráficos
+perftools-presets-graphics-description = Preestablecido para investigar errores gráficos en { -brand-shorter-name }.
+
+perftools-presets-media-label = Multimedia
+perftools-presets-media-description2 = Preestablecido para investigar errores de audio y vídeo en { -brand-shorter-name }.
+
+perftools-presets-networking-label = Red
+perftools-presets-networking-description = Preestablecido para investigar problemas de red en { -brand-shorter-name }.
+
+# "Power" is used in the sense of energy (electricity used by the computer).
+perftools-presets-power-label = Energía
+perftools-presets-power-description = Preestablecido para investigar errores relacionados con el consumo de energía en { -brand-shorter-name }, con poca sobrecarga.
+
+perftools-presets-custom-label = Personalizado
+
+##
+
diff --git a/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/storage.ftl b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/storage.ftl
new file mode 100644
index 0000000000..bc7348f8af
--- /dev/null
+++ b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/storage.ftl
@@ -0,0 +1,132 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+### These strings are used inside the Storage Inspector.
+
+# Key shortcut used to focus the filter box on top of the data view
+storage-filter-key = CmdOrCtrl+F
+
+# Hint shown when the selected storage host does not contain any data
+storage-table-empty-text = No hay datos para el servidor seleccionado
+
+# Hint shown when the cookies storage type is selected. Clicking the link will open
+# https://developer.mozilla.org/docs/Tools/Storage_Inspector/Cookies
+storage-table-type-cookies-hint = Vea y edite cookies seleccionando un servidor. <a data-l10n-name="learn-more-link">Saber más</a>
+
+# Hint shown when the local storage type is selected. Clicking the link will open
+# https://developer.mozilla.org/docs/Tools/Storage_Inspector/Local_Storage_Session_Storage
+storage-table-type-localstorage-hint = Vea y edite el almacenamiento local seleccionando un servidor. <a data-l10n-name="learn-more-link">Saber más</a>
+
+# Hint shown when the session storage type is selected. Clicking the link will open
+# https://developer.mozilla.org/docs/Tools/Storage_Inspector/Local_Storage_Session_Storage
+storage-table-type-sessionstorage-hint = Vea y edite el almacenamiento de sesión seleccionando un servidor. <a data-l10n-name="learn-more-link">Saber más</a>
+
+# Hint shown when the IndexedDB storage type is selected. Clicking the link will open
+# https://developer.mozilla.org/docs/Tools/Storage_Inspector/IndexedDB
+storage-table-type-indexeddb-hint = Vea y elimine entradas de IndexedDB seleccionando una base de datos. <a data-l10n-name="learn-more-link">Saber más</a>
+
+# Hint shown when the cache storage type is selected. Clicking the link will open
+# https://developer.mozilla.org/docs/Tools/Storage_Inspector/Cache_Storage
+storage-table-type-cache-hint = Vea y elimine las entradas de almacenamiento caché seleccionando un almacenamiento. <a data-l10n-name="learn-more-link">Saber más</a>
+
+# Hint shown when the extension storage type is selected. Clicking the link will open
+# https://developer.mozilla.org/docs/Tools/Storage_Inspector/Extension_Storage
+storage-table-type-extensionstorage-hint = Vea y edite el almacenamiento de extensión seleccionando un servidor. <a data-l10n-name="learn-more-link">Saber más</a>
+
+# Placeholder for the searchbox that allows you to filter the table items
+storage-search-box =
+    .placeholder = Filtrar elementos
+
+# Placeholder text in the sidebar search box
+storage-variable-view-search-box =
+    .placeholder = Filtrar valores
+
+# Add Item button title
+storage-add-button =
+    .title = Añadir elemento
+
+# Refresh button title
+storage-refresh-button =
+    .title = Actualizar elementos
+
+# Context menu action to delete all storage items
+storage-context-menu-delete-all =
+    .label = Eliminar todo
+
+# Context menu action to delete all session cookies
+storage-context-menu-delete-all-session-cookies =
+    .label = Eliminar todas las cookies de sesión
+
+# Context menu action to copy a storage item
+storage-context-menu-copy =
+    .label = Copiar
+
+# Context menu action to delete storage item
+# Variables:
+#   $itemName (String) - Name of the storage item that will be deleted
+storage-context-menu-delete =
+    .label = Eliminar “{ $itemName }“
+
+# Context menu action to add an item
+storage-context-menu-add-item =
+    .label = Añadir elemento
+
+# Context menu action to delete all storage items from a given host
+# Variables:
+#   $host (String) - Host for which we want to delete the items
+storage-context-menu-delete-all-from =
+    .label = Eliminar todo de “{ $host }”
+
+## Header names of the columns in the Storage Table for each type of storage available
+## through the Storage Tree to the side.
+
+storage-table-headers-cookies-name = Nombre
+storage-table-headers-cookies-value = Valor
+storage-table-headers-cookies-expires = Expires / Max-Age
+storage-table-headers-cookies-size = Tamaño
+storage-table-headers-cookies-last-accessed = Último acceso
+storage-table-headers-cookies-creation-time = Creado
+storage-table-headers-cache-status = Estado
+storage-table-headers-extension-storage-area = Área de almacenamiento
+
+## Labels for Storage type groups present in the Storage Tree, like cookies, local storage etc.
+
+storage-tree-labels-cookies = Cookies
+storage-tree-labels-local-storage = Almacenamiento local
+storage-tree-labels-session-storage = Almacenamiento de sesión
+storage-tree-labels-indexed-db = Indexed DB
+storage-tree-labels-cache = Almacenamiento en caché
+storage-tree-labels-extension-storage = Almacenamiento de la extensión
+
+##
+
+# Tooltip for the button that collapses the right panel in the
+# storage UI when the panel is closed.
+storage-expand-pane =
+    .title = Expandir panel
+
+# Tooltip for the button that collapses the right panel in the
+# storage UI when the panel is open.
+storage-collapse-pane =
+    .title = Colapsar panel
+
+# String displayed in the expires column when the cookie is a Session Cookie
+storage-expires-session = Sesión
+
+# Heading displayed over the item value in the sidebar
+storage-data = Datos
+
+# Heading displayed over the item parsed value in the sidebar
+storage-parsed-value = Valor interpretado
+
+# Warning notification when IndexedDB database could not be deleted immediately.
+# Variables:
+#   $dbName (String) - Name of the database
+storage-idb-delete-blocked = La base de datos “{ $dbName }” se eliminará tras cerrarse todas sus conexiones.
+
+# Error notification when IndexedDB database could not be deleted.
+# Variables:
+#   $dbName (String) - Name of the database
+storage-idb-delete-error = La base de datos “{ $dbName }” no se ha podido eliminar.
diff --git a/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/styleeditor.ftl b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/styleeditor.ftl
new file mode 100644
index 0000000000..8e4babfce6
--- /dev/null
+++ b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/styleeditor.ftl
@@ -0,0 +1,56 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+styleeditor-new-button =
+    .tooltiptext = Crear y adjuntar una nueva hoja de estilos al documento
+    .accesskey = N
+styleeditor-import-button =
+    .tooltiptext = Importar y adjuntar una hoja de estilos existente al documento
+    .accesskey = I
+styleeditor-filter-input =
+    .placeholder = Filtrar hojas de estilo
+styleeditor-visibility-toggle =
+    .tooltiptext = Cambiar la visibilidad de la hoja de estilos
+    .accesskey = G
+styleeditor-visibility-toggle-system =
+    .tooltiptext = Las hojas de estilo del sistema no se pueden desactivar
+styleeditor-save-button = Guardar
+    .tooltiptext = Guardar esta hoja de estilos a un fichero
+    .accesskey = G
+styleeditor-options-button =
+    .tooltiptext = Opciones del editor de estilos
+styleeditor-at-rules = At-rules
+styleeditor-editor-textbox =
+    .data-placeholder = Escriba CSS aquí.
+styleeditor-no-stylesheet = Esta página no tiene hoja de estilos.
+styleeditor-no-stylesheet-tip = Quizás le gustaría <a data-l10n-name="append-new-stylesheet">adjuntar una nueva hoja de estilos</a>?
+styleeditor-open-link-new-tab =
+    .label = Abrir enlace en una pestaña nueva
+styleeditor-copy-url =
+    .label = Copiar URL
+styleeditor-find =
+    .label = Buscar
+    .accesskey = B
+styleeditor-find-again =
+    .label = Repetir la búsqueda
+    .accesskey = R
+styleeditor-go-to-line =
+    .label = Saltar a la línea…
+    .accesskey = l
+# Label displayed when searching a term that is not found in any stylesheet path
+styleeditor-stylesheet-all-filtered = No se ha encontrado ninguna hoja de estilo coincidente.
+# This string is shown in the style sheets list
+# Variables:
+#   $ruleCount (Integer) - The number of rules in the stylesheet.
+styleeditor-stylesheet-rule-count =
+    { $ruleCount ->
+        [one] { $ruleCount } regla
+       *[other] { $ruleCount } reglas.
+    }
+# Title for the pretty print button in the editor footer.
+styleeditor-pretty-print-button =
+    .title = Imprimir hoja de estilos formateada
+# Title for the pretty print button in the editor footer, when it's disabled
+styleeditor-pretty-print-button-disabled =
+    .title = Solo se puede dar formato a archivos CSS
diff --git a/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/toolbox-options.ftl b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/toolbox-options.ftl
new file mode 100644
index 0000000000..3b9dbcaad1
--- /dev/null
+++ b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/toolbox-options.ftl
@@ -0,0 +1,154 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+### Localization for Developer Tools options
+
+
+## Default Developer Tools section
+
+# The heading
+options-select-default-tools-label = Herramientas de desarrollo predeterminadas
+
+# The label for the explanation of the * marker on a tool which is currently not supported
+# for the target of the toolbox.
+options-tool-not-supported-label = * No compatible con el elemento actual de la caja de herramientas
+
+# The label for the heading of group of checkboxes corresponding to the developer tools
+# added by add-ons. This heading is hidden when there is no developer tool installed by add-ons.
+options-select-additional-tools-label = Herr. desarr. instaladas por complementos
+
+# The label for the heading of group of checkboxes corresponding to the default developer
+# tool buttons.
+options-select-enabled-toolbox-buttons-label = Botones en la caja de herramientas
+
+# The label for the heading of the radiobox corresponding to the theme
+options-select-dev-tools-theme-label = Temas
+
+## Inspector section
+
+# The heading
+options-context-inspector = Inspector
+
+# The label for the checkbox option to show user agent styles
+options-show-user-agent-styles-label = Mostrar estilos del navegador
+options-show-user-agent-styles-tooltip =
+    .title = Activar esto mostrará los estilos predeterminados que se cargan por el navegador.
+
+# The label for the checkbox option to enable collapse attributes
+options-collapse-attrs-label = Truncar atributos DOM
+options-collapse-attrs-tooltip =
+    .title = Truncar atributos largos en el inspector
+
+# The label for the checkbox option to enable the "drag to update" feature
+options-inspector-draggable-properties-label = Haga clic y arrastre para editar los valores de tamaño
+options-inspector-draggable-properties-tooltip =
+    .title = Haga clic y arrastre para editar los valores de tamaño en la vista de reglas del inspector.
+
+# The label for the checkbox option to enable simplified highlighting on page elements
+# within the inspector for users who enabled prefers-reduced-motion = reduce
+options-inspector-simplified-highlighters-label = Usar resaltadores más simples con prefers-reduced-motion
+options-inspector-simplified-highlighters-tooltip =
+    .title = Activar resaltadores simplificados cuando se habilita prefers-reduced-motion. Dibuja líneas en lugar de rectángulos rellenos alrededor de los elementos resaltados para evitar efectos de parpadeo.
+
+## "Default Color Unit" options for the Inspector
+
+options-default-color-unit-label = Unidad de color predeterminada
+options-default-color-unit-authored = como indicó el autor
+options-default-color-unit-hex = Hex
+options-default-color-unit-hsl = HSL(A)
+options-default-color-unit-rgb = RGB(A)
+options-default-color-unit-hwb = HWB
+options-default-color-unit-name = Nombres de colores
+
+## Style Editor section
+
+# The heading
+options-styleeditor-label = Editor de estilos
+
+# The label for the checkbox that toggles autocompletion of css in the Style Editor
+options-stylesheet-autocompletion-label = Autocompletar CSS
+options-stylesheet-autocompletion-tooltip =
+    .title = Autocompletar propiedades, valores y selectores CSS en el editor de estilos a medida que escribe
+
+## Screenshot section
+
+# The heading
+options-screenshot-label = Comportamiento de pantalla
+
+# Label for the checkbox that toggles screenshot to clipboard feature
+options-screenshot-clipboard-only-label = Captura de pantalla solo al portapapeles
+options-screenshot-clipboard-tooltip2 =
+    .title = Guarda la captura de pantalla directamente en el portapapeles
+
+# Label for the checkbox that toggles the camera shutter audio for screenshot tool
+options-screenshot-audio-label = Reproducir sonido del obturador de la cámara
+options-screenshot-audio-tooltip =
+    .title = Activa el sonido de la cámara al tomar una captura
+
+## Editor section
+
+# The heading
+options-sourceeditor-label = Preferencias del editor
+
+options-sourceeditor-detectindentation-tooltip =
+    .title = Deducir sangrado basándose en el contenido del código fuente
+options-sourceeditor-detectindentation-label = Detectar sangrado
+options-sourceeditor-autoclosebrackets-tooltip =
+    .title = Insertar llaves de cerrado automáticamente
+options-sourceeditor-autoclosebrackets-label = Cerrar llaves automáticamente
+options-sourceeditor-expandtab-tooltip =
+    .title = Usar espacios en lugar del carácter de tabulación
+options-sourceeditor-expandtab-label = Sangrar usando espacios
+options-sourceeditor-tabsize-label = Tamaño de la pestaña
+options-sourceeditor-keybinding-label = Combinaciones de teclas
+options-sourceeditor-keybinding-default-label = Predeterminado
+
+## Advanced section
+
+# The heading (this item is also used in perftools.ftl)
+options-context-advanced-settings = Ajustes avanzados
+
+# The label for the checkbox that toggles the HTTP cache on or off
+options-disable-http-cache-label = Desactivar caché HTTP (cuando la caja de herramientas está abierta)
+options-disable-http-cache-tooltip =
+    .title = Activar esta opción desactivará el caché HTTP en todas las pestañas que tengan abierta la caja de herramientas. Los Service Workers no se ven afectados por esta opción.
+
+# The label for checkbox that toggles JavaScript on or off
+options-disable-javascript-label = Desactivar JavaScript *
+options-disable-javascript-tooltip =
+    .title = Activar esta opción desactivará JavaScript en la pestaña actual. Si la pestaña o la caja de herramientas se cierra entonces este ajuste será descartado.
+
+# The label for checkbox that toggles chrome debugging, i.e. the devtools.chrome.enabled preference
+options-enable-chrome-label = Activar cajas herr. depur. chrome del navegador y de complementos
+options-enable-chrome-tooltip =
+    .title = Activar esta opción le permitirá usar varias herramientas de desarrollador en el contexto del navegador (a través de Herramientas > Desarrollador web > Caja de herramientas del navegador) y depurar complementos desde el administrador de complementos
+
+# The label for checkbox that toggles remote debugging, i.e. the devtools.debugger.remote-enabled preference
+options-enable-remote-label = Activar depuración remota
+options-enable-remote-tooltip2 =
+    .title = Activar esta opción permitirá depurar esta instancia del navegador de forma remota
+
+# The label for checkbox that enables F12 as a shortcut to open DevTools
+options-enable-f12-label = Usar la tecla F12 para abrir o cerrar DevTools
+options-enable-f12-tooltip =
+    .title = Activar esta opción vinculará la tecla F12 para abrir o cerrar la caja de herramientas DevTools
+
+# The label for checkbox that toggles custom formatters for objects
+options-enable-custom-formatters-label = Activar formateadores personalizados
+options-enable-custom-formatters-tooltip =
+    .title = Activar esta opción permite que los sitios definan formateadores personalizados para objetos DOM
+
+# The label for checkbox that toggles the service workers testing over HTTP on or off.
+options-enable-service-workers-http-label = Activar service workers bajo HTTP (si la caja de herramientas está abierta)
+options-enable-service-workers-http-tooltip =
+    .title = Activar esta opción permitirá funcionar a los service workers bajo HTTP en todas las pestañas que tengan abierta la caja de herramientas.
+
+# The label for the checkbox that toggles source maps in all tools.
+options-source-maps-label = Activar mapas de código fuente
+options-source-maps-tooltip =
+    .title = Si activa esta opción, los códigos fuentes serán mapeados en las herramientas.
+
+# The message shown for settings that trigger page reload
+options-context-triggers-page-refresh = * Sólo sesión actual, recarga la página
diff --git a/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/toolbox.ftl b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/toolbox.ftl
new file mode 100644
index 0000000000..4ff5acff76
--- /dev/null
+++ b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/toolbox.ftl
@@ -0,0 +1,55 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+### These messages are used in the DevTools toolbox.
+
+
+## These labels are shown in the "..." menu in the toolbox, and represent different
+## commands such as the docking of DevTools, toggling features, and viewing some
+## external links. Some of the commands have the keyboard shortcut shown next to
+## the label.
+
+toolbox-meatball-menu-dock-bottom-label = Fijar en la parte inferior
+toolbox-meatball-menu-dock-left-label = Anclar a la izquierda
+toolbox-meatball-menu-dock-right-label = Anclar a la derecha
+toolbox-meatball-menu-dock-separate-window-label = Ventana separada
+
+toolbox-meatball-menu-splitconsole-label = Mostrar la consola dividida
+toolbox-meatball-menu-hideconsole-label = Ocultar la consola dividida
+
+toolbox-meatball-menu-settings-label = Ajustes
+toolbox-meatball-menu-documentation-label = Documentación…
+toolbox-meatball-menu-community-label = Comunidad…
+
+# This menu item is only available in the browser toolbox. It forces the popups/panels
+# to stay visible on blur, which is primarily useful for addon developers and Firefox
+# contributors.
+toolbox-meatball-menu-noautohide-label = Desactivar la ocultación automática de ventanas emergentes
+
+toolbox-meatball-menu-pseudo-locale-accented = Activar idioma “acentuado”
+toolbox-meatball-menu-pseudo-locale-bidi = Activar idioma “bidi”
+
+##
+
+
+## These labels are shown in the top-toolbar in the Browser Toolbox and Browser Console
+
+toolbox-mode-browser-toolbox-label = Modo de caja de herramientas del navegador
+toolbox-mode-browser-console-label = Modo de consola del navegador
+
+toolbox-mode-everything-label = Multiproceso
+toolbox-mode-everything-sub-label = (Más lento)
+toolbox-mode-everything-container =
+    .title = Depurar todo en todos los procesos
+
+toolbox-mode-parent-process-label = Solo proceso padre
+toolbox-mode-parent-process-sub-label = (Rápido)
+toolbox-mode-parent-process-container =
+    .title = Concentrarse únicamente en los recursos del proceso padre.
+
+toolbox-always-on-top-enabled2 = Desactivar siempre visible
+    .title = Esto reiniciará las herramientas para desarrolladores
+toolbox-always-on-top-disabled2 = Activar siempre visible
+    .title = Esto reiniciará las herramientas para desarrolladores
diff --git a/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/tooltips.ftl b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/tooltips.ftl
new file mode 100644
index 0000000000..9647ca1997
--- /dev/null
+++ b/thunderbird-l10n/es-ES/localization/es-ES/devtools/client/tooltips.ftl
@@ -0,0 +1,101 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+### Localization for Developer Tools tooltips.
+
+learn-more = <span data-l10n-name="link">Saber más</span>
+
+## In the Rule View when a CSS property cannot be successfully applied we display
+## an icon. When this icon is hovered this message is displayed to explain why
+## the property is not applied.
+## Variables:
+##   $property (string) - A CSS property name e.g. "color".
+##   $display (string) - A CSS display value e.g. "inline-block".
+
+inactive-css-not-grid-or-flex-container = <strong>{ $property }</strong> no tiene ningún efecto en este elemento ya que no es un contenedor flex ni un contenedor de rejilla.
+inactive-css-not-grid-or-flex-container-or-multicol-container = <strong>{ $property }</strong> no tiene ningún efecto en este elemento, ya que no es un contenedor flex, un contenedor grid o un contenedor multicolumna.
+inactive-css-not-multicol-container = <strong>{ $property }</strong> no tiene ningún efecto en este elemento ya que no es un contenedor multicolumna.
+inactive-css-not-grid-or-flex-item = <strong>{ $property }</strong> no tiene ningún efecto en este elemento ya que no es un un ítem grid ni flex.
+inactive-css-not-grid-item = <strong>{ $property }</strong> no tiene ningún efecto en este elemento ya que no es un ítem grid.
+inactive-css-not-grid-container = <strong>{ $property }</strong> no tiene ningún efecto en este elemento ya que no es un contenedor grid.
+inactive-css-not-flex-item = <strong>{ $property }</strong> no tiene ningún efecto en este elemento ya que no es un ítem flex.
+inactive-css-not-flex-container = <strong>{ $property }</strong> no tiene ningún efecto en este elemento ya que no es un contenedor flex.
+inactive-css-not-inline-or-tablecell = <strong>{ $property }</strong> no tiene ningún efecto en este elemento ya que no es un elemento en línea o  de celda de tabla.
+inactive-css-first-line-pseudo-element-not-supported = <strong>{ $property }</strong> no es compatible con los pseudoelementos ::first-line.
+inactive-css-first-letter-pseudo-element-not-supported = <strong>{ $property }</strong> no es compatible con los pseudoelementos ::first-letter.
+inactive-css-placeholder-pseudo-element-not-supported = <strong>{ $property }</strong> no es compatible con pseudoelementos ::placeholder.
+inactive-css-property-because-of-display = <strong>{ $property }</strong> no tiene ningún efecto en este elemento ya que su valor de "display" es <strong>{ $display }</strong>.
+inactive-css-not-display-block-on-floated = El motor cambió el valor de <strong>display</strong> a <strong>block</strong> porque el elemento es <strong>floated</strong>.
+inactive-css-property-is-impossible-to-override-in-visited = No es posible anular <strong>{ $property }</strong> debido a la restricción <strong>:visited</strong>.
+inactive-css-position-property-on-unpositioned-box = <strong>{ $property }</strong> no tiene efecto en este elemento ya que no es un elemento posicionado.
+inactive-text-overflow-when-no-overflow = <strong>{ $property }</strong> no tiene ningún efecto en este elemento ya que <strong>overflow:hidden</strong> no está establecido.
+inactive-css-not-for-internal-table-elements = <strong>{ $property }</strong> no tiene efecto en elementos internos de la tabla.
+inactive-css-not-for-internal-table-elements-except-table-cells = <strong>{ $property }</strong> no tiene efecto en elementos internos de la tabla excepto en celdas de la tabla.
+inactive-css-not-table = <strong>{ $property }</strong> no tiene efecto en este elemento ya que no es una tabla.
+inactive-css-not-table-cell = <strong>{ $property }</strong> no tiene efecto en este elemento ya que no es una celda de una tabla.
+inactive-scroll-padding-when-not-scroll-container = <strong>{ $property }</strong> no tiene efecto en este elemento ya que no se desplaza.
+inactive-css-border-image = <strong>{ $property }</strong> no tiene efecto en este elemento ya que no se puede aplicar a los elementos de la tabla interna donde <strong>border-collapse</strong> tiene el valor <strong>collapse</strong> en el elemento de la tabla principal.
+inactive-css-ruby-element = <strong>{ $property }</strong> no tiene efecto en este elemento ya que es un elemento ruby. Su tamaño está determinado por el tamaño de fuente del texto ruby.
+inactive-css-highlight-pseudo-elements-not-supported = <strong>{ $property }</strong> no es compatible con los pseudoelementos resaltados.
+inactive-css-cue-pseudo-element-not-supported = <strong>{ $property }</strong> no es compatible con los pseudoelementos ::cue.
+# Variables:
+#   $lineCount (integer) - The number of lines the element has.
+inactive-css-text-wrap-balance-lines-exceeded =
+    { $lineCount ->
+        [one] <strong>{ $property }</strong> no tiene efecto en este elemento porque tiene más de { $lineCount } línea.
+       *[other] <strong>{ $property }</strong> no tiene efecto en este elemento porque tiene más de { $lineCount } líneas.
+    }
+inactive-css-text-wrap-balance-fragmented = <strong>{ $property }</strong> no tiene efecto en este elemento porque está fragmentado, ej: su contenido está dividido en múltiples columnas o páginas.
+
+## In the Rule View when a CSS property cannot be successfully applied we display
+## an icon. When this icon is hovered this message is displayed to explain how
+## the problem can be solved.
+
+inactive-css-not-grid-or-flex-container-fix = Pruebe a añadir <strong>display:grid</strong> o <strong>display:flex</strong>. { learn-more }
+inactive-css-not-grid-or-flex-container-or-multicol-container-fix = Intenta añadir <strong>display:grid</strong>, <strong>display:flex</strong>, o <strong>columns:2</strong>. { learn-more }
+inactive-css-not-multicol-container-fix = Pruebe a añadir <strong>column-count</strong> o <strong>column-width</strong>. { learn-more }
+inactive-css-not-grid-or-flex-item-fix-3 = Pruebe a añadir <strong>display:grid</strong>, <strong>display:flex</strong>, <strong>display:inline-grid</strong> o <strong>display:inline-flex</strong> al padre del elemento. { learn-more }
+inactive-css-not-grid-item-fix-2 = Pruebe a añadir <strong>display:grid</strong> o <strong>display:inline-grid</strong> al padre del item. { learn-more }
+inactive-css-not-grid-container-fix = Pruebe a añadir <strong>display:grid</strong> o <strong>display:inline-grid</strong>. { learn-more }
+inactive-css-not-flex-item-fix-2 = Pruebe a añadir <strong>display:flex</strong> o <strong>display:inline-flex</strong> al padre del elemento. { learn-more }
+inactive-css-not-flex-container-fix = Pruebe a añadir <strong>display:flex</strong> o <strong>display:inline-flex</strong>. { learn-more }
+inactive-css-not-inline-or-tablecell-fix = Pruebe a agregar <strong>display:inline</strong> o <strong>display:table-cell</strong>. { learn-more }
+inactive-css-non-replaced-inline-or-table-row-or-row-group-fix = Pruebe a añadir <strong>display:inline-block</strong> o <strong>display:block</strong>. { learn-more }
+inactive-css-non-replaced-inline-or-table-column-or-column-group-fix = Pruebe a añadir <strong>display:inline-block</strong>. { learn-more }
+inactive-css-not-display-block-on-floated-fix = Pruebe a eliminar <strong>float</strong> o añada <strong>display:block</strong>. { learn-more }
+inactive-css-position-property-on-unpositioned-box-fix = Intente establecer la propiedad <strong>position</strong> en algo diferente a <strong>static</strong>. { learn-more }
+inactive-text-overflow-when-no-overflow-fix = Pruebe a añadir <strong>overflow:hidden</strong>. { learn-more }
+inactive-css-not-for-internal-table-elements-fix = Pruebe a configurar su propiedad <strong>display</strong> a algo diferente a <strong>table-cell</strong>, <strong>table-column</strong>, <strong>table-row</strong>, <strong>table-column-group</strong>, <strong>table-row-group</strong> o <strong>table-footer-group</strong>. { learn-more }
+inactive-css-not-for-internal-table-elements-except-table-cells-fix = Pruebe a configurar su propiedad <strong>display</strong> a algo diferente a <strong>table-column</strong>, <strong>table-row</strong>, <strong>table-column-group</strong>, <strong>table-row-group</strong> o <strong>table-footer-group</strong>. { learn-more }
+inactive-css-not-table-fix = Pruebe a añadir <strong>display:table</strong> o <strong>display:inline-table</strong>. { learn-more }
+inactive-css-not-table-cell-fix = Pruebe a añadir <strong>display:table-cell</strong>. { learn-more }
+inactive-scroll-padding-when-not-scroll-container-fix = Pruebe a añadir<strong>overflow:auto</strong>, <strong>overflow:scroll</strong>, o <strong>overflow:hidden</strong>. { learn-more }
+inactive-css-border-image-fix = En el elemento de la tabla principal, elimine la propiedad o cambie el valor de <strong>border-collapse</strong> a un valor que no sea <strong>collapse</strong>. { learn-more }
+inactive-css-ruby-element-fix = Intente cambiar el <strong>tamaño de fuente</strong> del texto ruby. { learn-more }
+inactive-css-text-wrap-balance-lines-exceeded-fix = Intente reducir el número de líneas. { learn-more }
+inactive-css-text-wrap-balance-fragmented-fix = Evite dividir el contenido del elemento, ej: eliminando las columnas o usando <strong>page-break-inside:avoid</strong>. { learn-more }
+
+## In the Rule View when a CSS property may have compatibility issues with other browsers
+## we display an icon. When this icon is hovered this message is displayed to explain why
+## the property is incompatible and the platforms it is incompatible on.
+## Variables:
+##   $property (string) - A CSS declaration name e.g. "-moz-user-select" that can be a platform specific alias.
+##   $rootProperty (string) - A raw CSS property name e.g. "user-select" that is not a platform specific alias.
+
+css-compatibility-default-message = <strong>{ $property }</strong> no es compatible con los siguientes navegadores:
+css-compatibility-deprecated-experimental-message = <strong>{ $property }</strong> era una propiedad experimental que ahora está obsoleta por los estándares W3C. No es compatible con los siguientes navegadores:
+css-compatibility-deprecated-experimental-supported-message = <strong>{ $property }</strong> era una propiedad experimental que ahora está obsoleta por los estándares W3C.
+css-compatibility-deprecated-message = <strong>{ $property }</strong> está obsoleta por los estándares W3C. No es compatible con los siguientes navegadores:
+css-compatibility-deprecated-supported-message = <strong>{ $property }</strong> está obsoleta por los estándares W3C.
+css-compatibility-experimental-message = <strong>{ $property }</strong> es una propiedad experimental. No es compatible con los siguientes navegadores:
+css-compatibility-experimental-supported-message = <strong>{ $property }</strong> es una propiedad experimental.
+css-compatibility-learn-more-message = <span data-l10n-name="link">Saber más</span> sobre <strong>{ $rootProperty }</strong>
+
+## In the Rule View when a rule selector can causes issues, we display an icon.
+## When this icon is hovered one or more of those messages are displayed to explain what
+## the issue are.
+
+# :has() should not be translated
+css-selector-warning-unconstrained-has = Este selector utiliza <strong>:has()</strong> sin restricciones, lo que puede ser lento.
diff --git a/thunderbird-l10n/es-ES/localization/es-ES/devtools/shared/debugger-paused-reasons.ftl b/thunderbird-l10n/es-ES/localization/es-ES/devtools/shared/debugger-paused-reasons.ftl
new file mode 100644
index 0000000000..0e3072a763
--- /dev/null
+++ b/thunderbird-l10n/es-ES/localization/es-ES/devtools/shared/debugger-paused-reasons.ftl
@@ -0,0 +1,87 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+### These strings are used inside the Debugger which is available from the Web
+### Developer sub-menu -> 'Debugger', as well as in the "Paused Debugger
+### Overlay" that is displayed in the content page when it pauses.
+
+
+### The correct localization of this file might be to keep it in
+### English, or another language commonly spoken among web developers.
+### You want to make that choice consistent across the developer tools.
+### A good criteria is the language in which you'd find the best
+### documentation on web development on the web.
+
+# The text that is displayed in a info block explaining how the debugger is
+# currently paused due to a `debugger` statement in the code
+whypaused-debugger-statement = Pausado en sentencia del depurador
+
+# The text that is displayed in a info block explaining how the debugger is
+# currently paused on a breakpoint
+whypaused-breakpoint = Pausado en punto de ruptura
+
+# The text that is displayed in a info block explaining how the debugger is
+# currently paused on an event breakpoint.
+whypaused-event-breakpoint = Pausado en punto de ruptura de evento
+
+# The text that is displayed in a info block explaining how the debugger is
+# currently paused on an exception
+whypaused-exception = Pausado en excepción
+
+# The text that is displayed in a info block explaining how the debugger is
+# currently paused on a DOM mutation breakpoint
+whypaused-mutation-breakpoint = Pausado en mutación de DOM
+
+# The text that is displayed to describe an added node which triggers a subtree
+# modification
+whypaused-mutation-breakpoint-added = Añadido:
+
+# The text that is displayed to describe a removed node which triggers a subtree
+# modification
+whypaused-mutation-breakpoint-removed = Eliminado:
+
+# The text that is displayed in a info block explaining how the debugger is
+# currently paused at a JS execution
+whypaused-interrupted = Pausado en la ejecución
+
+# The text that is displayed in a info block explaining how the debugger is
+# currently paused while stepping in or out of the stack
+whypaused-resume-limit = Pausado en la ejecución paso a paso
+
+# The text that is displayed in a info block explaining how the debugger is
+# currently paused on a dom event
+whypaused-pause-on-dom-events = Pausado en escuchador de evento
+
+# The text that is displayed in an info block when evaluating a conditional
+# breakpoint throws an error
+whypaused-breakpoint-condition-thrown = Error con punto de ruptura condicional
+
+# The text that is displayed in a info block explaining how the debugger is
+# currently paused on an xml http request
+whypaused-xhr = Pausado en XMLHttpRequest
+
+# The text that is displayed in a info block explaining how the debugger is
+# currently paused on a promise rejection
+whypaused-promise-rejection = Pausado en rechazo de promise
+
+# The text that is displayed in a info block explaining how the debugger is
+# currently paused at a watchpoint on an object property
+whypaused-get-watchpoint = Pausado en el acceso a la propiedad
+
+# The text that is displayed in an info block explaining how the debugger is
+# currently paused at a watchpoint on an object property
+whypaused-set-watchpoint = Pausado al establecer una propiedad
+
+# The text that is displayed in a info block explaining how the debugger is
+# currently paused on an assert
+whypaused-assert = Pausado en aseveración (assertion)
+
+# The text that is displayed in a info block explaining how the debugger is
+# currently paused on a debugger statement
+whypaused-debug-command = Pausado en función en depuración
+
+# The text that is displayed in a info block explaining how the debugger is
+# currently paused on an event listener breakpoint set
+whypaused-other = Depurador pausado
diff --git a/thunderbird-l10n/es-ES/localization/es-ES/devtools/shared/highlighters.ftl b/thunderbird-l10n/es-ES/localization/es-ES/devtools/shared/highlighters.ftl
new file mode 100644
index 0000000000..cf57eb6a0b
--- /dev/null
+++ b/thunderbird-l10n/es-ES/localization/es-ES/devtools/shared/highlighters.ftl
@@ -0,0 +1,67 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+### This file contains strings used in highlighters.
+### Highlighters are visualizations that DevTools draws on top of content to aid
+### in understanding content sizing, etc.
+
+# The row and column position of a grid cell shown in the grid cell infobar when hovering
+# over the CSS grid outline.
+# Variables
+# $row (integer) - The row index
+# $column (integer) - The column index
+grid-row-column-positions = Fila { $row } / Columna { $column }
+
+# The layout type of an element shown in the infobar when hovering over a DOM element and
+# it is a grid container.
+gridtype-container = Contenedor de cuadrícula
+
+# The layout type of an element shown in the infobar when hovering over a DOM element and
+# it is a grid item.
+gridtype-item = Elemento de cuadrícula
+
+# The layout type of an element shown in the infobar when hovering over a DOM element and
+# it is both a grid container and a grid item.
+gridtype-dual = Contenedor o elemento de cuadrícula
+
+# The layout type of an element shown in the infobar when hovering over a DOM element and
+# it is a flex container.
+flextype-container = Contenedor Flex
+
+# The layout type of an element shown in the infobar when hovering over a DOM element and
+# it is a flex item.
+flextype-item = Elemento Flex
+
+# The layout type of an element shown in the infobar when hovering over a DOM element and
+# it is both a flex container and a flex item.
+flextype-dual = Contenedor o elemento Flex
+
+# The message displayed in the content page when the user clicks on the
+# "Pick an element from the page" in about:devtools-toolbox inspector panel, when
+# debugging a remote page.
+# Variables
+# $action (string) - Will either be remote-node-picker-notice-action-desktop or
+#                    remote-node-picker-notice-action-touch
+remote-node-picker-notice = Selector de nodos de DevTools activado. { $action }
+
+# Text displayed in `remote-node-picker-notice`, when the remote page is on desktop
+remote-node-picker-notice-action-desktop = Haga clic en un elemento para seleccionarlo en el Inspector
+
+# Text displayed in `remote-node-picker-notice`, when the remote page is on Android
+remote-node-picker-notice-action-touch = Toque un elemento para seleccionarlo en el Inspector
+
+# The text displayed in the button that is in the notice in the content page when the user
+# clicks on the "Pick an element from the page" in about:devtools-toolbox inspector panel,
+# when debugging a remote page.
+remote-node-picker-notice-hide-button = Ocultar
+
+# The text displayed in a toolbox notification message which is only displayed
+# if prefers-reduced-motion is enabled (via OS-level settings or by using the
+# ui.prefersReducedMotion=1 preference).
+simple-highlighters-message = Cuando se activa prefers-reduced-motion, es posible activar un resaltador simplificado en el panel de configuración para evitar que parpadeen los colores.
+
+# Text displayed in a button inside the "simple-highlighters-message" toolbox
+# notification. "Settings" here refers to the DevTools settings panel.
+simple-highlighters-settings-button = Abrir ajustes
diff --git a/thunderbird-l10n/es-ES/localization/es-ES/devtools/shared/webconsole-commands.ftl b/thunderbird-l10n/es-ES/localization/es-ES/devtools/shared/webconsole-commands.ftl
new file mode 100644
index 0000000000..f80587d4f5
--- /dev/null
+++ b/thunderbird-l10n/es-ES/localization/es-ES/devtools/shared/webconsole-commands.ftl
@@ -0,0 +1,34 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+# These strings are used inside the Web Console commands
+# which can be executed in the Developer Tools, available in the
+# Browser Tools sub-menu -> 'Web Developer Tools'
+
+# Usage string for :block command
+webconsole-commands-usage-block =
+    :block URL_STRING
+    
+    Empezar a bloquear solicitudes de red
+    
+      Acepta solamente un argumento URLSTRING, una cadena sin comillas que será usada para bloquear todas las solicitudes cuya URL esté incluida en la cadena.
+      Use :unblock o la barra lateral de bloqueo del monitor de red para deshacer esto.
+# Usage string for :unblock command
+webconsole-commands-usage-unblock =
+    :unblock URL_STRING
+    
+    Dejar de bloquear solicitudes de red
+    
+      Acepta solamente un argumento, la misma cadena exacta que se pasó previamente a :block.
+# Usage string for :trace command
+webconsole-commands-usage-trace =
+    :trace
+    
+    Alternar el rastreador de JavaScript
+    
+      Admite los siguientes argumentos:
+        --logMethod debe establecerse a ‘console’ para registrar en la consola web (predeterminado), o ‘stdout’ para registrar en la salida estándar,
+        --prefix Cadena opcional que será registrada al principio de todos los registros de rastreo,
+        --help o --usage muestra este mensaje.
diff --git a/thunderbird-l10n/es-ES/localization/es-ES/devtools/startup/key-shortcuts.ftl b/thunderbird-l10n/es-ES/localization/es-ES/devtools/startup/key-shortcuts.ftl
new file mode 100644
index 0000000000..bbc2c7ca1e
--- /dev/null
+++ b/thunderbird-l10n/es-ES/localization/es-ES/devtools/startup/key-shortcuts.ftl
@@ -0,0 +1,38 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Key pressed to open a toolbox with the default panel selected
+devtools-commandkey-toggle-toolbox = I
+# Alternative key pressed to open a toolbox with the default panel selected
+devtools-commandkey-toggle-toolbox-f12 = VK_F12
+# Key pressed to open the Browser Toolbox, used for debugging Firefox itself
+devtools-commandkey-browser-toolbox = I
+# Key pressed to open the Browser Console, used for debugging Firefox itself
+devtools-commandkey-browser-console = J
+# Key pressed to toggle on the Responsive Design Mode
+devtools-commandkey-responsive-design-mode = M
+# Key pressed to open a toolbox with the inspector panel selected
+devtools-commandkey-inspector = C
+# Key pressed to open a toolbox with the web console panel selected
+devtools-commandkey-webconsole = K
+# Key pressed to open a toolbox with the debugger panel selected
+devtools-commandkey-jsdebugger = Z
+# Key pressed to open a toolbox with the network monitor panel selected
+devtools-commandkey-netmonitor = E
+# Key pressed to open a toolbox with the style editor panel selected
+devtools-commandkey-styleeditor = VK_F7
+# Key pressed to open a toolbox with the performance panel selected
+devtools-commandkey-performance = VK_F5
+# Key pressed to open a toolbox with the storage panel selected
+devtools-commandkey-storage = VK_F9
+# Key pressed to open a toolbox with the DOM panel selected
+devtools-commandkey-dom = W
+# Key pressed to open a toolbox with the accessibility panel selected
+devtools-commandkey-accessibility-f12 = VK_F12
+# Key pressed to start or stop the performance profiler
+devtools-commandkey-profiler-start-stop = VK_1
+# Key pressed to capture a recorded performance profile
+devtools-commandkey-profiler-capture = VK_2
+# Key pressed to toggle the JavaScript tracing
+devtools-commandkey-javascript-tracing-toggle = VK_5