Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
50,519 users
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
32,253 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
10,571,978 users
SoundFixer
Helps you fix annoying sound problems on sites like YouTube: audio in one channel only, too quiet or too loud. (Unfortunately, this extension does not work on all websites because of cross-domain issues — but it does work on YouTube!)
44,295 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
10,334 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.
112,690 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
93,934 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
724,287 users
Image Max URL
Finds larger/original versions of images (supporting 10,000+ websites), including a powerful media popup feature
18,369 users
Sink It for Reddit
Upgrade your Reddit experience with color coded comments, easier nav, sub-reddit blocking, gestures for upvoting, ad+nag blocking, and more. It's like RES, for mobile!
10,639 users
