Media URL Timestamper (resume playback)
Remember audio/video playback position for later resuming without cookies, storage or logging in by automatically timestamping the address. Compatible with Youtube, SoundCloud, Invidious and others.
253 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.
247 users
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!
210 users
Streaming LAN Cast
Cast the current tab's video to a DLNA or Google Cast device on your local network.
208 users
800% Sound Volume
Boost, reduce, or mute audio on any website up to 800% volume, with per-site memory and a clean simple interface.
145 users
SoundTuner
Extension to manipulate background audio. Can lower/increase volume, add pan and mono per tab. Can also save background sounds per website for future visits.
142 users
LagSync - Bluetooth Audio Fix
Fix audio and video delay caused by Bluetooth latency. Sync your sound perfectly on YouTube, Netflix, and HTML5 video to get perfect lip-sync.
132 users
Summarize AI for Firefox
🌟 Summary: Summarize AI is an innovative tool designed to simplify your online reading experience. It intelligently summarizes articles and web pages
114 users
Video Downloader - Vidownloader
Detect and download any public video or audio at best quality. Supports HLS, DASH, direct MP4/WebM, and tab recording.
106 users
Shortkeys-Custom Shortcuts
Map keyboard keys to click buttons on specific websites. Set per-site keybindings that trigger element clicks.
104 users
Capo – Pitch & Speed Changer
Change the pitch, key, and speed of any audio or video — on YouTube, Spotify, SoundCloud & more. Transpose, slow down, and loop.
103 users
SpeedMaster: Custom Playback Speed for Videos
This addon allows you to break free from traditional speed limits on any video website. With the ability to set customised playback speeds without constraints. SpeedMaster also lets you add quick buttons for instant access to your preferred speeds.
96 users
Video Speed And Volume With Mouse Wheel
Control video and audio playback speed and volume with the mouse wheel
94 users
ProBlocker - Adblock for YouTube & Web
Fast, free adblock for YouTube™ and all sites. Block video ads, popups, banners and trackers.
92 users
Video Controller
Control your online videos. Send videos to VLC or play in a new tab with 1 click. Avoid ad's and resource hungry websites. Watch in full screen, even if the originating website doesn't allow it. Watch multiple videos from multiple sites at once.
74 users
YouTube Video Downloader
Download from YouTube, Vimeo, TikTok, Instagram & more in 4K! MP4, MP3, FLAC, AAC & 8+ formats. Playlists, batch downloads, dubbed languages, 320kbps audio — server-side, zero device load!
68 users
9xbuddy: Video Download Helper
The downloader that actually works. Trusted since 2014. Save media from 1000+ sites with unlimited downloads and lightning-fast speeds. What you download is your business, not ours.
57 users
Sound Booster - GhostVolume
Boost audio up to 600% on any tab. Zero data collection, zero tracking. Uses only activeTab permission — code is injected only when you click. Built-in Safe Mode prevents speaker distortion. Lightweight, open source, and fully private.
56 users
