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!
3.461 Benutzer
SkipIt Adblocker for Youtube
Skip all YouTube ads instantly with SkitIt – fast, secure, and seamless ad-free streaming.
3.412 Benutzer
Add Subtitles
Firefox extension that let you add subtitles to any <video> element.
3.404 Benutzer
YtMp3 - YouTube MP3
Easily convert YouTube videos to MP3 or MP4 files and download them for free.
3.382 Benutzer
Image extract
Extracts all the images in the current tab and shows you them in a new tab
3.323 Benutzer
YouTube Mp3 Downloader
The YouTube Mp3 Downloader Add-on includes a Button on any YouTube Page and allows you to convert the YouTube Video to a Mp3 with just one click. Compatible with new Firefox Quantum 57
3.266 Benutzer
SCDL SoundCloud Downloader
SoundCloud Download Helper. Adds ARTWORK, ARTIST, GENRE, TRACKNAME !! FIXED!! 04.12.2019
3.195 Benutzer
YouTube Converter
Our YouTube Converter allows you to convert your favourite YouTube videos to MP3 or MP4 files, and download them for free.
3.191 Benutzer
MAGic Cast
MAGic Cast позволяет воспроизводить на экране телевизора видео с веб-сайтов, в том числе фильмы, телешоу, трансляции новостей и спортивных передач.
3.189 Benutzer
YouTube To Mp3 Button
Fastest Youtube video downloader, convert youtube to mp3 with just 1 click
3.189 Benutzer
Earth View from Google Earth
Experience a beautiful image from Google Earth every time you open a new tab.
3.180 Benutzer
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.
3.156 Benutzer
Watchmarker for Youtube
Automatically mark videos on Youtube that you have already watched.
3.145 Benutzer
HLS Video Download
Download videos from the Web. The extension handles some HLS based and single file video stream formats and it can be used for websites that use respective technology (e.g. arte.tv, YouTube, Putlocker, HlsPlay, 123Movies, Tinklepad, SolarMovie, etc).
3.136 Benutzer
CDA Downloader
Download videos from CDA.pl with just one click! Open the video you want to download and hit the 'Download video' button under it.
3.135 Benutzer
Audio-/Video-Beschleunigung
Beschleunigt die Wiedergabe. Wirkt sich auf alle HTML5-Videos und Audio aus. Beschleunigen: Strg+Umschalt+U | Verlangsamen: Strg+Umschalt+Y
3.133 Benutzer
YouTube Audio Equalizer and Amplifier
Control audio equalization and volume level of YouTube and YouTube Music
3.126 Benutzer
