Tab Session Manager
FoxClocks
FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.
11,586 users
Image Search Options
A customizable reverse image search tool that conveniently presents a variety of top image search engines.
43,780 users
automaticDark - Time-Based Theme Changer
Automatically change Firefox's theme based on the time.
6,431 users
Livemarks
Get auto-updated RSS feed bookmark folders.
14,328 users
796,470 users
518,760 users
456,720 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
49,907 users
Augmented Steam
Augments your Steam Experience
52,908 users
Steam URL Opener
Allows you to open URLs inside Steam Client to save the hassle of logging in normal browser (with a single click on a button).
4,603 users
ProtonDB for Steam
Shows ratings from protondb.com on Steam
3,065 users
2,275 users
3,895 users
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
455,720 users
Enhancer for YouTube™
Take control of YouTube and boost your user experience!
559,580 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
432,806 users
YouTube NonStop
Tired of getting that "Video paused. Continue watching?" confirmation dialog? This extension autoclicks it, so you can listen to your favorite music uninterrupted. Working on YouTube and YouTube Music!
129,676 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
7,806,002 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
2,260,563 users
DuckDuckGo Privacy Essentials
Simple and seamless privacy protection for your browser: tracker blocking, cookie protection, DuckDuckGo private search, email protection, HTTPS upgrading, and much more.
1,544,953 users
Privacy Badger
Automatically learns to block invisible trackers.
1,222,186 users