Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
6,969 users
DuckDuckGo Search & Tracker Protection
⚡Protects your data. Private search with optional AI, private browsing, and ad blocking.
1,065,857 users
Forecastfox - Weather Forecast
International weather forecasts with easy and convenient settings
11,713 users
SoundFixer
Helps you fix annoying sound problems on sites like YouTube: audio in one channel only, too quiet or too loud. (Unfortunately, this extension does not work on all websites because of cross-domain issues — but it does work on YouTube!)
47,449 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
18,025 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
109,640 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.
107,476 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
740,701 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!
19,374 users
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
445,512 users
