
Firefox Relay
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.
48,181 users
Ghostery – Privacy Ad Blocker
The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.
1,067,700 users
EPUBReader
Read ePub files right in Firefox. No additional software needed!
138,163 users
Adaptive Tab Bar Color
Changes the color of Firefox theme to match the website’s appearance.
34,016 users
9,438 users
16,186 users
22,665 users
Tabby - Window & Tab Manager
Tabby helps you manage a lot of windows and tabs easily; it can help you open, close, move, pin, and do many other things on tabs and windows quickly. With Tabby, you can even save all you windows and tabs for later with just one click!
21,574 users
Tree Style Tab
Show tabs like a tree.
222,223 users
Simple Tab Groups
Create, modify, and quickly change tab groups
103,542 users
OneTab
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
173,134 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
9,678,822 users
Video DownloadHelper
Download videos from the web. Easy, smart, no tracking.
1,936,904 users
Privacy Badger
Automatically learns to block invisible trackers.
1,891,393 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,408,568 users
97 users
14,914 users
1,300 users
BetterTTV
Enhances Twitch and YouTube with new features, emotes, and more.
490,689 users
Alternate Player for Twitch.tv
Alternate player of live broadcasts for Twitch.tv website.
36,086 users
Twitch Chat pronouns
Add Pronouns to Twitch Chat
16,084 users
Unwanted Twitch
Hide unwanted streams, games, categories, channels and tags on: twitch.tv
5,834 users
Video DownloadHelper
Download videos from the web. Easy, smart, no tracking.
1,936,904 users
Enhancer for YouTube™
Take control of YouTube and boost your user experience!
675,824 users
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
505,529 users
BetterTTV
Enhances Twitch and YouTube with new features, emotes, and more.
490,689 users