Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Disconnect
Block the trackers that feed AI-powered attacks. Disconnect stops thousands of hidden trackers across advertising, analytics, social, and fingerprinting, making pages load up to 44% faster. Trusted to help protect 350M+ users.
60,213 users
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
20,391 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
17,765 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
108,710 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.
106,457 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
733,210 users
Stylus
Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.
126,516 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
5,934 users
Port Authority
Blocks malicious websites from port-scanning your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts.
24,008 users
