Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1,329,501 users
NoScript Security Suite
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
263,410 users
Unhook: Remove YouTube Recommended Videos Comments
Hide YouTube related videos, comments, video suggestions wall, homepage recommendations, trending tab, and other distractions.
131,143 users
Web Archives
View archived and cached versions of web pages on various search engines, such as the Wayback Machine and Archive․is.
68,179 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.
113,836 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
732,392 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
11,057 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,927,276 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
4,298 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.
191,341 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
11,057 users
Yomitan
Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.
30,925 users