YouTube Musical Spectrum
Audio visualizer for YouTube, YT Music, Spotify, and SoundCloud with musical notes.
286 users
Relingo - Master words from any webpage
Reading based on interest and mastering vocabulary unconsciously
243 users
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.
193 users
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!
192 users
Shorts Blocker for YouTube
Remove YouTube Shorts | Block Shorts scrolling | Redirect Shorts to video player
186 users
Escape the Algorithm - Social Feed Blocker
Hide distracting feeds and suggested content on YouTube, Twitter, Facebook, Instagram, and TikTok to unhook your brain from social media addiction. Works automatically, easy to disable, stores none of your data, and saves you hours of wasted time!
180 users
Video to Animated GIF
Converts the YouTube, Vimeo, webm, ogv or mp4 videos you are currently watching into an animated GIF.
179 users
Snow for Firefox
Experience a snowstorm effect with falling snow on your page. Transform it into a winter wonderland with snowflakes.
162 users
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 👨💻
146 users
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!
135 users
Tube Audio Options+
YouTube Audio only mode for desktop (youtube.com) and mobile (m.youtube.com).
112 users
Ask Everytime - limit site usage
Block addictive sites and enhance your productivity with 'Ask Everytime' - session limiter. Gain control of your time. Stay focused, stay free.
90 users
Scribble Pad
Scribble Pad lets you draw,sketch,text and annotate directly on any website in real-time, a complete lightweight package.
85 users
InfraNodus AI Knowledge Graph for Web & YouTube
Visualize ideas, gaps, and links in your content with a knowledge Graph. Use the AI to chat with the content, generate summaries and interesting research questions.
68 users
ReDD Focus: Hide Distractions
Open-source attention saver for the web (YouTube, Instagram, ... or any other site!).
68 users
YouTube Download Hub
YouTube Download Hub allows you to effortlessly download YouTube videos in stunning resolutions up to 8K or convert them to audio formats. Completely free and without any subscription, you can download unlimited videos and audio with just one click!
66 users
Obserra – YouTube Time Limit & Insights
Master your YouTube habits with advanced tools for limits, insights, and productivity. Stay focused, make smarter choices, and achieve your biggest goals effortlessly.
56 users
