Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
New Tab Override
New Tab Override allows you to set the page that shows whenever you open a new tab.
64,625 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
21,051 users
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
156,769 users
Gesturefy
Navigate, operate, and browse faster with mouse gestures! A customizable mouse gesture add-on with a variety of different commands.
88,088 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
99,768 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.
113,883 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
738,911 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,915,190 users
Tab Stash
Easily save and organize batches of tabs as bookmarks. Clear your tabs, clear your mind. Only for Firefox.
43,710 users
Yomitan
Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.
35,424 users
Immersive Translate - Translate Website & PDF
Free Translate Website, Translate PDF & Epub eBook, Translate Video Subtitles in Bilingual
112,245 users
Adaptive Tab Bar Color
Changes the color of Firefox theme to match the website’s appearance.
50,403 users