ColorfulTabs
The first addon you should be installing on a fresh Firefox install. A must have. The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color.
11,660 users
Adaptive Tab Bar Color
Changes the color of Firefox theme to match the website’s appearance.
35,527 users
![[TST] Colorize Tabs](https://addons.mozilla.org/user-media/addon_icons/2745/2745117-64.png?modified=03000b9f)
[TST] Colorize Tabs
This extension allows to set individual color for each tab in order to highlight it
571 users
ColorTabs
This add-on enables you to set the browser window to a custom color for any site. You can save as many site-color mappings as you wish, and import/export to load your settings on different machines.
281 users
Firefox Multi-Account Containers
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs. Cookies are separated by container, allowing you to use the web with multiple accounts and integrate Mozilla VPN for an extra layer of privacy.
381,848 users
Tab Colors
Selects a random color for each tab and displays the color while the tab is active. You can customize the colors to your liking and also set specific colors for websites.
231 users
Simple Translate
Quickly translate selected or typed text on web pages. Supports Google Translate and DeepL API.
283,771 users
Colorful Windows
Minimalist browser extension to dynamically theme new windows (very cute). Use to differentiate open windows *or for the aesthetic ☆ ～('▽^人) *.
161 users
FoxyProxy Standard
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
219,809 users
New Tab Override
New Tab Override allows you to set the page that shows whenever you open a new tab.
61,497 users
Default Bookmark Folder
Allows you to choose the default bookmark location folder and quickly bookmark pages via a dedicated icon.
12,094 users
Sidebery
Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.
63,466 users
Toggle Website Colors (Tab)
Adds a checkbox to the page context menu to toggle colors, set by the website author.
285 users
Turn Off the Lights for Firefox
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube and Beyond. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.
46,043 users
