Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
PopUpOFF
Removes and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.
49,061 users
Foxy Gestures
Mouse gestures for Firefox. A web extension alternative to FireGestures created by a long time FireGestures user.
19,245 users
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
24,587 users
Link Gopher
Extracts all links from web page, sorts them, removes duplicates, and displays them in a new tab for inspection or copy and paste into other systems.
16,456 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.
113,283 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
9,522 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
92,048 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
716,491 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
9,522 users
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
10,553 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!
4,048 users
