Turn Off the Lights for YouTube™ and Beyond
動画を囲むページ全体がだんだん暗くなり、まるで映画館にいる気分で、動画を楽しめます。
42,853 人のユーザー
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
33,949 人のユーザー
BetterTTV
Enhances Twitch and YouTube with new features, emotes, and more.
449,000 人のユーザー
Alternate Player for Twitch.tv
Alternate player of live broadcasts for Twitch.tv website.
25,315 人のユーザー
Netflix Party is now Teleparty
Watch Netflix, Youtube, Disney Plus, Hulu, HBO, and Amazon Prime Video in sync with friends
20,183 人のユーザー
Twitch Chat pronouns
Add Pronouns to Twitch Chat
15,691 人のユーザー
ChatReplay
Watch stream archive videos with chat replay.
12,554 人のユーザー
UltraWideo
The cross-browser extension that manipulates video aspect ratio to fit your entire screen. Take control over cinematic black bars. Netflix | Prime Video | Disney+ | Hulu | ESPN | + Many others...
11,735 人のユーザー
AudD®音楽認識
ブラウザであらゆるウェブサイトのあらゆる音楽を認識
10,450 人のユーザー
Twitch Ad Blocker
Tired of Ads on Twitch? Block all ads and watch videos without interruptions.
8,059 人のユーザー
Purple Ads BlockerPurple Ads Blocker
Purple AdBlock is a adblock for Twitch.tv
7,598 人のユーザー
Color by Fardos - Color Picker
Pick colors from websites, save colors & gradients, get matching shades and tints and create beautiful gradients.
5,915 人のユーザー
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.
5,855 人のユーザー
Unwanted Twitch
Hide unwanted streams, games, categories, channels and tags on: twitch.tv
5,350 人のユーザー
Holodex Plus
Holodex.net companion extension for enhancing the viewing experience
3,877 人のユーザー
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.
3,799 人のユーザー
Gumbo: Twitch Companion
Swollen companion keeping you updated on your Twitch experience
3,414 人のユーザー
Allkeyshop - Compare Game Prices
Shows you the best deals available while you're surfing on the web
3,379 人のユーザー
Stream Recorder
Firefox extension that records streams and videos.
3,348 人のユーザー
Tab Volume
Control your tab volume.
3,339 人のユーザー
Cast Kodi
Cast videos and music from more than 50 sites (YouTube, Twitch, Vimeo, SoundCloud, torrents, …) to Kodi with context menu and remote control.
3,170 人のユーザー
Previews (For TTV & YT)
Twitch と YouTube のチャンネルにカーソルを合わせたときのライブ プレビュー | TTV と YT の生活の質を向上させる多数の機能
2,932 人のユーザー
Audio Output Selector
Allows you to change the audio output device of <audio> and <video> elements. Requires media.setsinkid.enabled set to true in about:config!
2,734 人のユーザー
2,464 人のユーザー