Increase or decrease text size. Text Size

The text size plugin allows you to temporarily change the text size for better readability in gedit without changing the program's default text size.

Enable Text Size Plugin To enable the plugin:

Press the menu button in the top-right corner of the window and select Preferences Plugins.

Select Text Size to enable the plugin.
Use the <app>Text Size</app> plugin

Once you have enabled the plugin, do any of the following to change the text size in gedit:

To increase the text size, press Ctrl+.

To decrease the text size, press Ctrl-.

To reset the text size to the default size, press Ctrl0.
Other ways to use the <app>Text Size</app> plugin

To increase or decrease the text size, press Ctrl and scroll with the mouse wheel or the touchpad.

To reset the text size to the default size, press Ctrl and click on the middle mouse button.

Alternately, open the main menu, go to View and choose the appropriate action.