Enhancer for YouTube™
Custom Scrollbars
Give Firefox a personal touch with customized scrollbars!
31,197 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!)
33,652 users
Dictionary Anywhere
View definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble. It also supports Spanish, German, French language alongside English. Enjoy Reading Uninterrupted!!!.
41,492 users
Turn Off the Lights for Firefox
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube and Beyond. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.
42,354 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
Web Archives
View archived and cached versions of web pages on 10+ search engines, such as the Wayback Machine, Archive․is, Google, Bing and Yandex
57,685 users
Google Scholar Button
Lookup scholarly articles as you browse the web.
108,016 users
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
60,515 users
LibKey Nomad
One-click access to millions of scholarly articles.
8,058 users