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.
36,800 users
Emoji
It permits just with a single click to copy an emoji. There is a search-box and the "Most used emojis" section (the first one). If you want to send feedback or report bug, please go to https://github.com/Sav22999/emoji
12,496 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
8,453 users
BetterTTV
Enhances Twitch with new features, emotes, and more.
393,208 users
Alternate Player for Twitch.tv
Alternate player of live broadcasts for Twitch.tv website.
22,558 users
Twitch Chat pronouns
Add Pronouns to Twitch Chat
9,567 users
Zoom for Firefox
Zoom in or out on web content using the zoom button and mouse scroll wheel for more comfortable reading. That to each percent value. It helps you to zoom easily in and out a web page. Thanks to the slider and the zoom buttons.
6,703 users
ChatReplay
Watch stream archive videos with chat replay.
5,434 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.
3,070 users
Unwanted Twitch
Hide unwanted streams, games, categories, channels and tags on: twitch.tv
2,956 users
Twitch Previews
Live previews when hovering over streams on twitch | A bunch of quality of life improvement features to twitch.
2,223 users
Holodex Plus
Holodex.net companion extension for enhancing the viewing experience
2,040 users
Gumbo: Twitch Companion
Swollen companion keeping you updated on your Twitch experience
1,915 users
audioff - audio device selector
Select audio output device for each tab.
1,514 users
Chatterino Native Host
Replaces the chat on Twitch.tv with Chatterino. Only works on Windows.
1,440 users
Youtube mp3 & video downloader
Firefox extension to convert and download Youtube all videos for free in MP3 format.
1,091 users
uView Player Picture-in-picture Extension
The uView Extension is a browser extension that allows you to open online videos in the uView Player app. With this extension, you can watch Anime, HLS, MP4, Youtube, Twitch, Netflix, Crunchyroll and many other online videos in the uView Player app.
1,072 users
Tumblr – Post to Tumblr
Post to Tumblr right from your browser toolbar!
1,067 users
Allkeyshop - Compare Game Prices
Shows you the best deals available while you're surfing on the web
925 users
Automate Click
This add-on can automate click actions that users might have to perform when visiting a website. For example accept or reject cookie consent messages.
657 users
Twitch Chat Overlay
Overlay the Twitch chat when watching a stream in fullscreen.
643 users
Online Video Downloader Free
Online video downloader is a free website, to download video and audio online in MP4, M4A, 3GP format from video platforms..
608 users
Jump Cutter
Watch lectures ~1.5x faster by fast-forwarding long pauses between sentences
527 users
Emojis Keyboard
The most up to date. Copy-paste Emojis everywhere. Compatible with Win, Mac, Linux and iOS, Android. Works for every website/App.
494 users