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Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Photos, Music & Videos
Facebook Toolbar Button No Restart
Facebook Toolbar Button lets you visit your Favorite Facebook quickly and easily by adding a special Facebook Button to your Toolbar.
Quick Media Codec No Restart
Quick enable or disable Media Codec with one click. For Windows, Linux and Mac OS X
Play for free: Action games, Adventure games, Arcade games, Board games, Card games, Educational games, Puzzle games, Role Playing games, Sports games, Strategy games, Virtual games, Logical games, Addictive games, Extreme and Funny games.
YouTube™ AdBlock No Restart
YouTube™ AdBlock removes all sorts of advertisement from YouTube
thumbnailify No Restart
Extracts the thumbnail of youtube videos
Share Button for Pinterest No Restart
Send images and pages to your Pinterest account quickly and easily with Share Button for Pinterest.
AllTube Download No Restart
Easily download videos from Youtube, Dailymotion, Vimeo and other websites.
Youtube Zero Annotations No Restart
Watch Youtube Videos without the annoying Annotations + Texts and Clickable Links within Videos. It removes also Annotations from all Youtube Embedded HTML5 + Flash Players added on All Websites or Domains. (Runs Best with AdBlock Plus Extension).
Youtube Dark Purple No Restart
Makes the layout of Youtube match the dark style of the navigation bar of Twitch while retaining the original feel.
EduU PlaYEeR No Restart
Open a youtube video in another browser
Twitter App No Restart
Twitter App brings Twitter right into your Firefox Sidebar.
Facebook Messenger No Restart
Facebook Messenger lets you bring a Facebook Messenger right into your browser to chat with your friends.
Open With Vivaldi Browser No Restart
Open With Vivaldi Browser sends pages from Mozilla Firefox to Vivaldi browser.
YouTube Enhancer Plus Featured
One of the best YouTube™ add-ons for Firefox! Ad Blocker, Autoplay Manager, Auto HD, Auto Replay, Cinema Mode, and more.
Image Context Menu No Restart
Adds right-click context menu items for image related tasks.
It has never been simplier to download videos from Youtube, Dailymotion and from most of the video streaming site.
Just play the video, click on the toolbar, download and play it immediately in our integrated video player.
A fix to enable global use of media keys in Google Play Music.
YouTube High Definition No Restart Featured
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
Readable is an application that helps you read more of the web. It transforms text on any website using fonts, colors, and layouts of your choosing.