OneTab
Undo Close Tab
Allows you to restore the tab you just closed with a single click—plus it can offer a list of recently closed tabs within a convenient context menu.
43,083 users
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
65,968 users
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.
11,996 users
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
80,525 users
848,959 users
556,875 users
488,542 users
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
465,698 users
Enhancer for YouTube™
Take control of YouTube and boost your user experience!
561,413 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
435,449 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!
131,157 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
50,144 users
Augmented Steam
Augments your Steam Experience
53,158 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).
4,419 users
ProtonDB for Steam
Shows ratings from protondb.com on Steam
3,000 users
696 users
473 users
2,489 users
Return YouTube Dislike
Returns ability to see dislike statistics on youtube
631,200 users
Facebook Container
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
1,023,652 users
BetterTTV
Enhances Twitch and YouTube with new features, emotes, and more.
453,150 users
Augmented Steam
Augments your Steam Experience
53,158 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
57,683 users
Google Scholar Button
Lookup scholarly articles as you browse the web.
112,325 users
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
61,651 users
LibKey Nomad
One-click access to millions of scholarly articles.
8,255 users