Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Games & Entertainment
LetItSnow No Restart
Let It Snow - Snowing effect in browser window.
Pops video elements as resizable windows, lightweight and powerful.
YouTube Video and Audio Downloader No Restart Featured
YouTube HD Plus No Restart
Automatically play YouTube videos in HD or any other preferred format, and disable autoplay for videos loaded in background tabs.
SoundCloud Player No Restart
Control SoundCloud from your toolbar, with ease.
Local Music Player No Restart
Browse and listen to your local music
Send to VuPlusReceiver No Restart
Sends YouTube and Other, video and music links to VuPlus Receiver for playback on TV
Media Player for YouTube™ No Restart
Media Player is an open-source project that aims to enhance the overall user experience by providing the end user with more control in what the playback process is concerned.
The One; The Original Fasterfox Gives performance & network tweaks for Firefox. Fasterfox makes your browsing so much faster!
Make your Sites Faster than a Fox with Fasterfox for FireFox!
Steam Database No Restart
Adds Steam Database link across Steam Community and Store.
View a page in SMPlayer on Windows.
SMPlayer View is based on Chrome View 0.2.2 by Lutz Issler.
Xultris is a variant of the computer game classic Tetris.
A Certain Manga Reader No Restart
Read and receive notifications for your mangas with ease.
Krayon No Restart
Allow to overwrite/draw on a webpage, and to take a screenshot of it.
Instawell No Restart
Feeling lonely? Meet new helpers everyday. Talk about your problems anonymously or help others feel better. No judgement and always Free!
Selected information & links to various 3D/CG apps, content and freebies.
Button appears in FF status bar, which is enabled by installing Adblock Plus.
No promises made as to end-user's resultant understanding of 3D/CG apps.
Sorgt für schnelleres laden auf YouTube bei Kunden der Deutschen Telekom.
Nur für Telekom Kunden! Keine anderen Anbieter.
Die Telekom drosselt die Geschwindigkeit auf YouTube! Mit diesem AddOn holen sie sich die Geschwindigkeit zurück.
Twitch.tv Stream Browser No Restart
List online streamers by game. Select your favourite streamers. Get notifications when they come online. Customise settings. Request features. Donate Bitcoin!
Send to XBMC/Kodi No Restart
Sends YouTube videos, video and music links to Kodi for playback. Adds a right click menu for links pointing to YouTube and audio/video files for direct playback on your TV with Kodi.
Works with XBMC Eden and newer, as well as with Kodi 14 "Helix".