Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Popup Blocker (strict)
Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address
79,648 users
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
50,595 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
