Customize settings and preferences

Display and appearance

Learn how to change your toolbar, font sizes and browser colors

Restore the Menu bar in Firefox

The Firefox Menu bar (File, Edit, View, History, Bookmarks, etc.) may be hidden or missing. Learn how to restore the Menu bar.

Firefox Firefox Last updated: 12/24/2023

Use themes to change the look of Firefox

A theme is a type of add-on that changes the visual appearance of Firefox. Learn how to find, install, and manage themes in Firefox.

Firefox Firefox Last updated: 12/04/2023

Change the fonts and colors websites use

This article describes how to customize the way you see websites by choosing font styles and colors that will override those used by the websites.

Firefox Firefox Last updated: 05/11/2024
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