Volume Booster
Boost your Firefox tab volume beyond 100%! Easily amplify sound up to 500% with a clean and simple interface. Perfect for quiet videos, music, or low-volume streams.
7,114 users
Youtube Speed Control
Control speed of the youtube playback using the keyboard. Press '+' to increase and '-' to decrease the playback speed. Or Shift + mouse wheel . That plugin doesn't work together with "Enhancer for YouTube™"
7,066 users
Volume Control for Bandcamp Player
It's a volume control for Bandcamp audio player. The extension adds another slider (somewhere around the one that controls the track progress) to control the volume.
6,235 users
Youtube Background Play Fix
Enables background audio playback for YouTube and YouTube Music. Prevents the video from pausing when you switch tabs or minimize the browser. Works both on Firefox Android and Desktop.
6,076 users
YouTube Downloader
YouTube Downloader – Free YouTube Video Downloader & MP3 Converter | 4K Support Easily download YouTube videos in MP3, MP4, HD, or 4K with this fast and free Firefox extension. Convert YouTube to MP3 or download videos in any format with one click.
6,068 users
Spotify Adblock
Block Spotify ads instantly. Skip audio and banner ads in the Spotify web player and enjoy uninterrupted music.
4,224 users
Better Lyrics (Lyrics for Youtube Music)
Enhance YouTube Music with beautiful time-synced lyrics, multilingual support, real-time translations and more
4,010 users
Theater Mode for YouTube™ (YouTube Wide Screen)
Force YouTube to open in its player in the theater mode
3,918 users
AI Toolbox
Ultimate AI assistant! Access all AIs anywhere and boost your productivity: ChatGPT, Gemini, DeepSeek, Grok, Copilot, Claude, Llama, Qwen, Mistral AI, Perplexity, Poe, Narrow AIs and much MORE! 💖 No user information is collected by the developer
3,870 users
Cast Kodi
Cast videos and music from more than 50 sites (YouTube, Twitch, Vimeo, SoundCloud, torrents, …) to Kodi with context menu and remote control.
3,608 users
Audio Output Selector
Allows you to change the audio output device of <audio> and <video> elements. Requires media.setsinkid.enabled set to true in about:config!
3,419 users
YtMp3 - YouTube MP3
Easily convert YouTube videos to MP3 or MP4 files and download them for free.
3,263 users
Audio/Video Speed Up
Speeds up playback. Affects all html5 videos and audio. | Speed up: Ctrl+Shift+U | Speed down: Ctrl+Shift+Y
3,165 users
YouTube Converter
Our YouTube Converter allows you to convert your favourite YouTube videos to MP3 or MP4 files, and download them for free.
3,151 users
YouTube Repeat Button
Adds a repeat button to the HTML5 player to loop over a single track after 1 second delay
2,907 users
Background Playback Helper (YouTube & Vimeo)
Keeps video playback running on YouTube, YouTube Music, and Vimeo when switching apps, tabs, or turning the screen off by maintaining visibility and sending harmless key activity. Supports Firefox for Android and Desktop.
2,899 users
SoundCloud Downloader
Adds a button under SoundCloud tracks for instant download as mp3 with metadata!
2,897 users
