Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Block Site
A customizable, password-protected website blocker and redirector.
76,941 users
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
20,568 users
OneTab
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
171,813 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!
140,583 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
602,316 users
Privacy Badger
Automatically learns to block invisible trackers.
1,807,325 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.
113,108 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
9,504,679 users
Adaptive Tab Bar Color
Changes the color of Firefox theme to match the website’s appearance.
4,536 users
Gesturefy
Navigate, operate, and browse faster with mouse gestures! A customizable mouse gesture add-on with a variety of different commands.
90,504 users
FoxyProxy Standard
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
231,764 users
SingleFile
Save an entire web page—including images and styling—as a single HTML file.
66,300 users