Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Tomato Clock - A Simple Pomodoro Timer
A simple browser extension for managing your productivity
31,082 users
Yomitan
Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.
40,281 users
Video Background Play Fix
Some sites may not work with Firefox for Android video background play feature. This add-on provides a quick fix by blocking the Page Visibility API and the Fullscreen API.
219,815 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.
105,208 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
738,665 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,766,855 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
10,453,130 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!
19,943 users
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
53,101 users
Yomitan
Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.
40,281 users
