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 13,576,181 users
- 2. uBlock Origin 3,688,736 users
- 3. Video DownloadHelper 3,526,133 users
- 4. Easy Screenshot 2,260,800 users
- 5. NoScript Security Suite 1,757,234 users
- 6. Firebug 1,322,613 users
- 7. iMacros for Firefox 1,302,912 users
- 8. Ghostery 943,410 users
- 9. DownThemAll! 924,440 users
- 10. Greasemonkey 866,595 users
Featured Extensions See all »
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FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.181,885 users -
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Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!59,917 users -
Improve your watching experience! Ad Blocker, Autoplay Manager, Auto HD, Auto Replay, Cinema Mode, and more.31,121 users -
Grammarly will help you communicate more effectively. As you type, Grammarly flags mistakes and helps you make sure your messages, documents, and social media posts are clear, mistake-free, and impactful.333,483 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)8,815 users -
Click to download any Youtube, Instagram, Facebook, Vid.me, Streamable, LiveLeak, Vine video or photo.6,636 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.2,198 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 ...19,187 users -
Pioneer is an opt-in program that allows collection of richer data from Firefox.2,228 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.7,407 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 · 120 followers -
Bookmark Managers
Customize and re-organize the way you manage your bookmarks.
8 add-ons · 8 followers -
Framework DevTools
A modernized development kit.
3 add-ons · 16 followers
To create your own collections, you must have a Mozilla Add-ons account.
