Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Photos, Music & Videos
维棠视频下载软件助手 No Restart
Perfect View No Restart
Image viewer with smooth zoom, pan and rotate. View slide shows of images or files and capture page elements and tab content. Save images in various formats. For Firefox 35.0 and newer. NEW: Image filters. NEW: Handy toolbar in the viewer mode.
x-MuZiC.cOm / YouTube mp3 No Restart
Includes a button on any YouTube Video page that allows its users to make use of the YouTube mp3 technology to obtain a private copy off that video broadcast which they can download.
WebM Inline Player No Restart
Automatically replaces links to WebM files with embedded videos
ListenOnRepeat Youtube Video Repeater No Restart
Listen On Repeat Video Repeater adds a "repeat" button too your Firefox toolbar. Just go to any Youtube video, hit the "repeat" button, and you're set!
View public photos of users on Facebook using Photo Stalker Application! Right click on user name then click "View Photos using Photo Stalker"
Noise Control No Restart
Shows an icon in the tab of each tab currently playing an HTML5 video or audio. Clicking on the icon mutes the videos/audio.
This feature has been implemented in Firefox Nightly builds, but you can have it now.
This add-on is not compatible with your version of Firefox because of the following:
- Add-on has opted into strict compatibility checking.
Imagus No Restart
Enlarge thumbnails, and show images/videos from links with a mouse hover.
Disable HTML5 Fullscreen Alert No Restart
Disables "website is now fullscreen" alert
ZenMate Security & Privacy VPN No Restart Featured
Unblock the web and change your IP with 4 locations across the globe. ZenMate secures your browsing with encryption - protecting you from hackers, snoopers and data thieves who prey on unsecure connections.
NicCage - Firefox No Restart
This addon replaces images with pictures of Nicholas Cage. What isn't there to love
Dark YouTube Theme No Restart
Shut down the lights on YouTube.
Stop YouTube Autoplay No Restart
Stops YouTube autoplay intelligently.
Local Music Player No Restart
Browse and listen to your local music
Free YouTube to MP3 Converter gives you a handy option to save MP3 from any YouTube video in a 1 click. All you need to do is to click Convert to mp3 straight at the page of the required video.
Fast and simple!
No Flash No Restart
Replace Youtube, Vimeo and Dailymotion Flash video players embedded on third-party website by the HTML5 counterpart when the content author still use the old style embed (Flash).
Source code at https://github.com/hfiguiere/no-flash
SoundCloud Player No Restart
Control SoundCloud from your toolbar, with ease.
Instagram for Firefox No Restart
Browse popular images from instagram in a quick popup.
-Browse by tags
-Show pictures full screen
-View your feeds
-follow users, and like pictures (must be logged in to instagram!)