Pinyin Annotator
Pinyin Annotator is a browser extension overlays Hanyu Pinyin or Zhuyin annotations over Chinese characters present in web pages and video closed captions.
318 usuarios
YouTube Download Master
YouTube Video Download Master lets you download YouTube videos in resolutions up to 8K or convert them to audio—completely free and without any subscription. Enjoy unlimited video and audio downloads with just one click!
316 usuarios
Quick YouTube Downloader
Quick YouTube Downloader lets you download YouTube videos in up to 8K resolution or convert them to audio—entirely free and with no subscription. Enjoy unlimited video and audio downloads with just one click!
258 usuarios
YouTube Musical Spectrum
Audio visualizer for YouTube, YT Music, Spotify, and SoundCloud with musical notes.
252 usuarios
Video Speed Controller
Easily control HTML5 video playback speed on any website, with an intuitive interface and features tailored to both desktop and mobile versions of Firefox.
248 usuarios
RSS Launchpad: find feeds easy
Lets you find RSS or Atom subscriptions in web pages easily
238 usuarios
YouTube Downloader
Download videos from 1000+ sites in 4K! Supports MP4, WebM, MP3, FLAC & more. Multi-language, dubbed YouTube, playlists, batch downloads & all audio bitrates — server-powered, zero device load. One click, any device!
179 usuarios
Relingo - Master words from any webpage
Lee textos según tus intereses y domina el vocabulario de forma inconsciente
169 usuarios
Free YouTube Video Saver
Effortlessly download your favorite YouTube videos in stunning quality with just one click. Build your personal video library, enjoy seamless offline viewing, and share the best moments with friends—anytime, anywhere!
165 usuarios
Scribble Pad
Scribble Pad lets you draw,sketch,text and annotate directly on any website in real-time, a complete lightweight package.
163 usuarios
Video to Animated GIF
Converts the YouTube, Vimeo, webm, ogv or mp4 videos you are currently watching into an animated GIF.
151 usuarios
YouTube Subs & Playlists Saver
Export YouTube subscriptions and playlists to CSV/JSON/TXT. Privacy-focused, 100% local processing—no data collection. Perfect for backups and importing to NewPipe, Tubular and other YouTube frontend apps. Free and open-source.
127 usuarios
Amplificador de volumen
Sube una pestaña al 500% o silencia solo esa—el resto igual. EQ 10 bandas. Volumen por sitio: YouTube, música, streams.
117 usuarios
Tube Saver
Effortlessly download your favorite YouTube videos in high quality with a single click. Build your personal video library, enjoy offline viewing, and share with friends—anytime, anywhere!
117 usuarios
Snow for Firefox
Experimente un efecto de tormenta de nieve con nieve cayendo en su página. Transfórmela en un paraíso invernal con copos de nieve.
112 usuarios
Big Search
Handily use / switch search engines via a Flexible Tool. With some special technical features also. Definitly more than a GET/POST sender. Source code on Github. Vast search, search great! Breadth 🗺️ & Focus 👨💻
110 usuarios
ProBlocker: Bloqueador de anuncios YouTube™
Bloqueador rápido y gratuito para YouTube™ y sitios web. Elimina anuncios de video, banners y rastreadores.
90 usuarios
