Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
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.
134,903 users
Foxy Gestures
Mouse gestures for Firefox. A web extension alternative to FireGestures created by a long time FireGestures user.
19,275 users
DuckDuckGo Search & Tracker Protection
Actively protects your data in your current browser
1,256,065 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
91,935 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.
113,454 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
91,935 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
716,330 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
9,055 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
9,055 users
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
10,074 users
Notefox: websites notes
Take notes on every website in a smart and simple way!
1,732 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!
3,928 users