Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Stylus
Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.
130,556 users
Tomato Clock - A Simple Pomodoro Timer
A simple browser extension for managing your productivity
31,829 users
Undo Close Tab
Allows you to restore the tab you just closed with a single click—plus it can offer a list of recently closed tabs within a convenient context menu.
43,989 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
18,402 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
112,507 users
LeechBlock NG
LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.
107,564 users
SponsorBlock - Skip Sponsorships on YouTube
Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app
759,989 users
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
44,100 users
automaticDark - Time-Based Theme Changer
Automatically change Firefox's theme based on the time.
24,608 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
19,710 users
