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
103,404 人のユーザー
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 contact me
34,051 人のユーザー
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
1,223 人のユーザー
YouTube Downloader (UDL Helper)
この拡張機能を使用することにより、ユーチューブ／インスタグラム／オドノクラスニキからビデオをダウンロードしたり、ビデオから音声を出したりできます。MP3、MP4、WEBMフォーマットがサポートされています。オンラインプレーヤーで再生されるビデオのスクリーンショットが撮れます。
33,388 人のユーザー
Librezam
Shazam APIを使用したオープンソースの音楽認識拡張機能 (代替バックエンドとしてAudd、ACRCloud、TencentのAPIにも対応しています)
17,903 人のユーザー
Linguist - web pages translator
Translate web pages, highlighted text, Netflix subtitles, private messages, speak text, and save important translations to your personal dictionary to learn words in 130 languages.
16,712 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...
14,064 人のユーザー
SocialFocus: Hide Distractions
Block feed, shorts, related and other distractions on time-wasting sites like Instagram, Facebook, YouTube, Twitter, Reddit, LinkedIn...
13,695 人のユーザー
Awesome Vimeo Downloader
Download video from Vimeo by injecting download buttons directly into Vimeo player.
11,061 人のユーザー
Reddit NSFW Unblocker
Unblock and remove these pesky popups and blurs to freely view NSFW content! No login required. Made for the new Reddit (Beta) UI.
9,535 人のユーザー
Streaming enhanced: Netflix Disney+ Prime Video
Netflix、Prime video、Disney+、Crunchyroll、HBO maxでは、広告、イントロ、クレジットをスキップし、速度などを調整できます。
9,049 人のユーザー
LibRedirect
Redirects YouTube, Twitter, TikTok... requests to alternative privacy friendly frontends.
7,878 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.
5,917 人のユーザー
YouTube Anti Translate - Official Port
A small extension to disable YouTube video titles/audios/descriptions autotranslation.
4,123 人のユーザー
Instagram Hide Reels, Explore Page - IGPlus
2025 • Open-source • Disable Instagram Reels, videos, comments, suggestions wall, vanity metrics, homepage recommendations, trending... and many more.
3,625 人のユーザー
Free YouTube Video Downloader
Easily download your favorite YouTube videos in high quality with just a click. Build your video library, enjoy offline viewing, and share with friends—anytime, anywhere!
3,394 人のユーザー
ChatGPTBox
This extension integrates ChatGPT into the browser deeply, and provides chat windows, search engines and commonly used websites integration, and selection tools.
3,269 人のユーザー
YouTube Video Downloader HD, 4K & Multi-Format
Download YouTube videos, Shorts, MP3, plus Facebook, Instagram, TikTok, Twitter, Vimeo in 4K with our fast YouTube Video Downloader and converter tool.
3,166 人のユーザー
AddToAny: Share Anywhere
Share to Facebook, Mastodon, WhatsApp, Telegram, LinkedIn, Teams, Threads, email, and any other sharing or saving service quickly and easily with one share button.
2,856 人のユーザー
