Add-ons
To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseMost Popular All »
- 1. Adblock Plus 13,387,362 users
- 2. uBlock Origin 3,652,401 users
- 3. Video DownloadHelper 3,484,090 users
- 4. Easy Screenshot 2,255,035 users
- 5. NoScript Security Suite 1,746,448 users
- 6. Firebug 1,299,014 users
- 7. iMacros for Firefox 1,260,960 users
- 8. Ghostery 930,030 users
- 9. DownThemAll! 910,521 users
- 10. Greasemonkey 855,596 users
Featured Extensions See all »
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Facebook™ Disconnect is an efficient firewall to disconnect third-party websites from accessing to your Facebook.21,487 users -
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TinEye is a reverse image search engine. The extension adds a context menu item so you can search for an image to find out where it came from, how it is being used, if modified versions of the image exist, or to find higher resolution versions.70,853 users -
provides an easy access to messenger.com and notifies you of all new messages (via badge icon text)1,832 users -
Access to Skype Web from within a toolbar panel. You can use this app to call your friends without the need to switch current browser tab3,137 users
Up & Coming Extensions See all »
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Prevents your web browser from opening a new window on top of the content or web site you are viewing. The Addon also supresses unwanted advertisement windows on your screen. The one deciding what consitutes a popup is the user.2,378 users -
Save video from any Youtube video in High definition HD or Standard definition SD.
1-click download any video directly from Youtube.
Choose if you want .mp4, .webm, mobile, or audio only (audio only saves space and great for mobile devices)15,948 users -
Save video from any Facebook video in original .mp4 format.
"1-Click" download any video directly from Facebook.com.
Choose if you want video or just an image.
Addon uses 3rd party site (www.getyourfb.com) for operation.3,866 users -
Click to download any Youtube, Instagram, Facebook, Vid.me, Streamable, LiveLeak, Vine video or photo.10,699 users -
This is a basic FireFox extension which simply scrolls the page down (and optionally up again) automatically at an adjustable rate.10,773 users -
Download YouTube videos in all available formats and extract the original audio files1,942 users
Featured Themes See all »
Featured Collections See all »
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Password Managers
Enjoy better security and more convenience with an excellent password manager.
5 add-ons · 138 followers -
Bookmark Managers
Customize and re-organize the way you manage your bookmarks.
8 add-ons · 20 followers -
Framework DevTools
A modernized development kit.
3 add-ons · 25 followers
To create your own collections, you must have a Mozilla Add-ons account.
