Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
65,428 users
Flagfox
Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...
117,024 users
YouTube NonStop
Tired of getting that "Video paused. Continue watching?" confirmation dialog? This extension autoclicks it, so you can listen to your favorite music uninterrupted. Working on YouTube and YouTube Music!
132,262 users
Privacy Badger
Automatically learns to block invisible trackers.
1,236,263 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.
69,635 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
448,261 users
Privacy Badger
Automatically learns to block invisible trackers.
1,236,263 users
Decentraleyes
Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.
266,332 users
automaticDark - Time-Based Theme Changer
Automatically change Firefox's theme based on the time.
9,322 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!)
37,981 users
Simple Tab Groups
Create, modify, and quickly change tab groups
84,006 users
Clippings
Save frequently-entered text for pasting later.
14,704 users