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 13,713,775 users
- 2. uBlock Origin 3,719,671 users
- 3. Video DownloadHelper 3,555,542 users
- 4. Easy Screenshot 2,292,399 users
- 5. NoScript Security Suite 1,768,549 users
- 6. Firebug 1,340,121 users
- 7. iMacros for Firefox 1,308,369 users
- 8. Ghostery 952,295 users
- 9. DownThemAll! 931,835 users
- 10. Greasemonkey 873,978 users
Featured Extensions See all »
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Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!411,131 users -
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The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.1,768,549 users -
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.91,172 users -
Access to the complete Firefox's proxy settings right from a toolbar panel31,737 users
Up & Coming Extensions See all »
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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)10,209 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.2,422 users -
Click to download any Youtube, Instagram, Facebook, Vid.me, Streamable, LiveLeak, Vine video or photo.7,567 users -
This extension enables you to hide the navigation bar through a toggle button. Currently the toggle button is the F2 key. You can change the key in the extensions options, as well as configure whether you want the Navigation Bar to be displayed on ...21,515 users -
Pioneer is an opt-in program that allows collection of richer data from Firefox.2,403 users
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This is a basic FireFox extension which simply scrolls the page down (and optionally up again) automatically at an adjustable rate.8,145 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 · 124 followers -
Bookmark Managers
Customize and re-organize the way you manage your bookmarks.
8 add-ons · 9 followers -
Framework DevTools
A modernized development kit.
3 add-ons · 18 followers
To create your own collections, you must have a Mozilla Add-ons account.
