Full Screen for Firefox
Go full screen with one click on the full screen button. That includes also the full screen movies such as the YouTube, Vimeo, Dailymotion, Youku video player, etc.
4,793 users
YouTube Download
Download video from YouTube and many other popular sites in your preferred file format: MP3, MP4, WEBM and more!
4,517 users
Playback speed
Control the speed of video playback.
4,364 users
YouTube to MP3
Download an mp3 audio file from any YouTube video with just one click!
4,060 users
Youtube Speed Control
Control speed of the youtube playback using the keyboard. Press '+' to increase and '-' to decrease the playback speed. Or Shift + mouse wheel . That plugin doesn't work together with "Enhancer for YouTube™"
4,003 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.
3,982 users
ChatGPTBox
This extension integrates ChatGPT into the browser deeply, and provides chat windows, search engines and commonly used websites integration, and selection tools.
3,965 users
Youtube to MP3 Converter & Downloader
Firefox extension to convert and download Youtube videos for free in MP3 format. This addon includes a button on any YouTube View Page and allows you to convert the YouTube Video to a mp3 file with just one click.
3,904 users
Holodex Plus
Holodex.net companion extension for enhancing the viewing experience
3,861 users
Youtube ChatGPT summarization
Generates summaries for youtube videos using ChatGPT
3,801 users
Dualsub - Dual Subtitles for YouTube
Display dual subtitles, use machine translation and speech recognition to generate subtitles.
3,798 users
YouTube Popout Player
Provides a simple way to open any YouTube video in a popout window
3,734 users
uView Floating Player - Picture in Picture
Watch Youtube video and more in a floating window Picture in Picture (PIP) on top of any other application while multitasking or gaming on PC. Say goodbye to alt-tabbing.
3,708 users
Free VPN - 1VPN
Free VPN, Unlimited Data, Fast Speeds, Secure Encryption, No-Logs Policy, and Easy to Use.
3,619 users
CookieManager - Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
3,489 users
RYS — Remove YouTube Suggestions
Stop the YouTube rabbit hole. Customize YouTube's user interface to be less engaging.
3,460 users
YT Siphon
Redirect YouTube URLs to alternative frontends
3,369 users
Allkeyshop - Compare Game Prices
Shows you the best deals available while you're surfing on the web
3,326 users
Tab Volume
Control your tab volume.
3,309 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.
3,129 users
YouTube™ Comment Translate
Automatically translate YouTube comments using the Google-Translate API. This extension allows the user to translate YouTube comments with the click of a single button, right next to the comment.
3,060 users
Previews (For TTV & YT)
Live previews when hovering over streams on Twitch & YouTube | A bunch of quality of life improvements for TTV & YT
2,917 users
YouTube LiveChat Flusher (Danmaku Chat)
Provides bullet chatting (danmaku) on YouTube Live, like niconico or bilibili.
2,858 users
YouTube to MP3 Downloader
This extension add a download button on any Youtube page and allows you to download MP3 & Video with just one click.
2,849 users
Theater Mode for YouTube™ (YouTube Wide Screen)
Force YouTube to open in its player in the theater mode
2,835 users