Enhancer for YouTube™
Take control of YouTube and boost your user experience!
657,043 users
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
578,586 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.
36,380 users
Metastream Remote
Watch streaming media with friends.
22,165 users
Improve YouTube! (Open-Source for YouTube)
Make YouTube tidy & powerful! YouTube Player Size Theme Quality Auto HD Colors Playback Speed Style ad block Playlist Channel H.264
8,482 users
ZenMate Free VPN
ZenMate VPN - The best free Firefox VPN extension to hide your IP. Encrypt your connection, access our secure proxy servers & unblock websites easily.
132,991 users
Global Speed
Set a default speed for video and audio.
50,134 users
Watch2Gether
The official Watch2Gether Firefox extension allows you to share content from a supported site (Youtube, Vimeo, ...) directly into a Watch2Gether room. The new W2gSync feature allows you to sync-watch videos from any website on Watch2Gether.
48,074 users
Twitch Adblock
Blocks Ads on Twitch.tv.
23,816 users
Alternate Player for Twitch.tv
Alternate player of live broadcasts for Twitch.tv website.
22,481 users
VPN add-on
Anonymous, secure and unrestricted VPN service! Unblock websites and access unlimited content with a free VPN by uVPN
22,389 users
Twitch Chat pronouns
Add Pronouns to Twitch Chat
9,596 users
ChatReplay
Watch stream archive videos with chat replay.
5,479 users
Free VPN Proxy fast and secure - Planet VPN
Unblock access to any website with our free VPN proxy Mozilla extension - Planet VPN
5,106 users
VPN Unlimited Proxy - Best VPN browser extension
VPN Unlimited - reliable, easy-to-use, and lightning-fast VPN extension for Firefox browser
4,715 users
Ivacy VPN: Best Free VPN for Privacy and Security
The best Free Firefox extension for content, security & privacy. Enjoy unlimited bandwidth and speed.
3,924 users
Remove YouTube Suggestions
Stop the YouTube rabbit hole. Customize YouTube's user interface to be less engaging.
3,205 users
Cast Kodi
Cast videos and music from more than 50 sites (YouTube, Twitch, Vimeo, SoundCloud, torrents, …) to Kodi with context menu and remote control.
3,055 users
Popupblocker
Popupblocker can block every popup. Many websites open new windows with ads, when you try to mark text or click something. This add-on will block these and show a really small notification.
2,559 users
Twitch Previews
Live previews when hovering over streams on twitch | A bunch of quality of life improvement features to twitch.
2,219 users
YouTube Downloader
YouTube Downloader is a free and unlimited add-on for youtube to convert videos to mp3 or mp4.
2,056 users
Holodex Plus
Holodex.net companion extension for enhancing the viewing experience
2,046 users
All in One Video Downloader
This extension add a download button on any Youtube page and allows you to download MP3 & Video with just one click.
1,882 users
YouTube Livestreams Theater Mode
Improves the viewing experience of YouTube livestreams and premiers with an enhanced theater mode, including features like moving chat to the left side or on top of the video.
1,869 users
audioff - audio device selector
Select audio output device for each tab.
1,528 users