Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
User-Agent Switcher and Manager
Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want.
86,899 users
BetterTTV
Enhances Twitch and YouTube with new features, emotes, and more.
488,669 users
Ghostery – Privacy Ad Blocker
The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.
981,855 users
Simple Translate
Quickly translate selected or typed text on web pages. Supports Google Translate and DeepL API.
279,945 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
73,905 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
629,052 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.
100,744 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,767,084 users
Audio Equalizer
Stylish audio equalizer in toolbar popup.
58,615 users
ClearURLs
Removes tracking elements from URLs
521,169 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
73,905 users
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
146,305 users