PytubePP Addon (FOSS)
Download your Favourite YouTube Videos Effortlessly using Pytube Post Processor CLI
17 users
CoPilot EveryWhere
CoPilot Everywhere: You can use CoPilot as a newtab, popup, sidebar or window.
16 users
Discogs Collection Player
This powerful tool adds a convenient player directly to Discogs collection or marketplace pages, allowing you to listen to albums and EPs instantly from any Discogs without leaving the collection page or opening multiple tabs.
16 users
adiobox: Audio Player for Firefox
The Audio Player/Library that works on Firefox. Create and Edit Playlist, Play multiple file types (mp3, wav, flac, m4a, aac), Edit metadata, View albums, Scroll through artists.
16 users
Nintendo 3DS Music
Listen to the Nintendo 3DS Music while adjusting your settings or shopping.
16 users
YT Media Downloader — HD/4K Video & Audio Download
Download YouTube videos and audio in HD/4K locally. Features precision multi-trimming queue, frame grabber, chapter batching, GIF/WebP export, audio metadata and persistent history.
Calm Cafe Sounds
Concentrate on studying or focus work with calm and soothing ambient background sounds to help you cancel out disruptions.
15 users
ZaoRelay - Stream Detector
Detect live and video stream URLs (HLS, FLV, DASH, MP4) and open or copy them for PotPlayer.
15 users
LoopIt - A-B Video Looper
Repeat exact parts of YouTube, Vimeo and HTML5 videos with A-B looping, speed control, saved sections and shortcuts.
15 users
Zen Site Volume Manager
This add-on is developed for the Zen Browser and allows users to control the sound level of video and audio content on a per-site basis.
15 users
Plex Lyrics Auto Clicker
With the Plex Lyrics Auto Clicker you can enjoy seamless lyrics display without lifting a finger. Whether you're belting out tunes at your desk or leading a karaoke party, this extension ensures the lyrics are always on!
15 users
YouTempo: YTM Speed Controller
Playback speed control, pitch lock, A/B loop, and visualiser for YouTube Music. Stores your set speed and preferences locally.
15 users
FF Volume Controller
Extension that provides granular volume control for web pages on a per-domain basis. This extension allows users to set and maintain custom volume levels for different websites, ensuring a consistent audio experience across all tabs and sessions.
15 users
Binaural Extension
The Ultimate Binaural Beat Engine: Precision brainwave entrainment w/ binaural beats and a visual interface for total mind hacking.
15 users
SpeakMySubs
Reads subtitles aloud from any video. Natural voices, auto-translation. Free browser voices + Polly Neural on Platinum plan.
15 users
Tab in Side
Unlock seamless multitasking by opening any website, link, or bookmark in a mobile-view sidebar. Features advanced header bypassing (X-Frame-Options/CSP) for compatibility with sites like YouTube, GitHub, and more.
14 users
