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.
256 人のユーザー
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.
253 人のユーザー
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!
233 人のユーザー
800% Sound Volume
Boost, reduce, or mute audio on any website up to 800% volume, with per-site memory and a clean simple interface.
147 人のユーザー
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.
141 人のユーザー
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.
138 人のユーザー
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
116 人のユーザー
Shortkeys-Custom Shortcuts
Map keyboard keys to click buttons on specific websites. Set per-site keybindings that trigger element clicks.
107 人のユーザー
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.
95 人のユーザー
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.
76 人のユーザー
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!
70 人のユーザー
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.
57 人のユーザー
YouTube Video Downloader – Vidaraa
Download YouTube videos in 4K, HD & all resolutions. Fast, local & private — no account needed. Supports dubbed videos & all formats. Compatible with all players. — Vidaraa
56 人のユーザー
