Tweaks for YouTube
Seek, navigate chapters, control volume, speed, and more with mouse and keyboard shortcuts. Adjust player controls, progress bar, subtitles, process audio, show playlist duration, take video snapshot, set initial volume, speed, resolution, and more.
8,083 人のユーザー
Telegram Downloader
Allow download telegram media from channels or groups with media protection.
8,063 人のユーザー
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.
7,430 人のユーザー
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™"
7,213 人のユーザー
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.
6,571 人のユーザー
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.
6,532 人のユーザー
Better Lyrics (Lyrics for Youtube Music)
Enhance YouTube Music with beautiful time-synced lyrics, multilingual support, real-time translations and more
4,827 人のユーザー
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
4,194 人のユーザー
Theater Mode for YouTube™ (YouTube Wide Screen)
Force YouTube to open in its player in the theater mode
4,079 人のユーザー
Cast Kodi
Cast videos and music from more than 50 sites (YouTube, Twitch, Vimeo, SoundCloud, torrents, …) to Kodi with context menu and remote control.
3,703 人のユーザー
VideoPlayer MPD/M3U8/IPTV/EPG
DASH (mpd)、HLS (m3u8) 形式、および EPG をサポートする M3U リストのビデオまたはライブ ストリーム用のネイティブ ビデオ プレーヤーです。
3,700 人のユーザー
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.
3,633 人のユーザー
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!
3,596 人のユーザー
オーディオ/ビデオのスピードアップ
再生速度を高速化します。すべてのHTML5ビデオとオーディオに影響します。 スピードアップ：Ctrl+Shift+U | スピードダウン：Ctrl+Shift+Y
3,382 人のユーザー
