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.
111,622 users
Block Site
A customizable, password-protected website blocker and redirector.
72,430 users
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
316,966 users
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
471,497 users
801,141 users
522,787 users
461,628 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
51,169 users
Augmented Steam
Augments your Steam Experience
53,755 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).
4,936 users
ProtonDB for Steam
Shows ratings from protondb.com on Steam
3,259 users
669 users
359 users
16,686 users
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
471,497 users
Enhancer for YouTube™
Take control of YouTube and boost your user experience!
577,190 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
443,084 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!
131,620 users
'Improve YouTube!' 🎧 (For YouTube & Video)
Youtube Extension. Powerful but lightweight. Enrich your Youtube & content selection. Make YouTube tidy&smart! Layout Filters Shortcuts Adblocker Playlist
33,474 users
Capital One Shopping: Save Now
Capital One Shopping instantly applies coupon codes to your shopping cart, helps you snag exclusive rewards when you shop at stores you love and compares prices on Amazon to other popular retailers. It's kinda genius.
566,433 users
Rakuten: Get Cash Back For Shopping
Start shopping smarter with Cash Back and coupons. By clicking Add to Firefox you agree to the Rakuten Extension Terms & Conditions
155,470 users
The Camelizer - Price Tracker
Add price history charts and price watch features to Firefox when viewing product pages on Amazon. Use it to make informed purchasing decisions and to receive price drop alerts via email, Twitter, or RSS feed.
67,399 users