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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Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address20,801 users -
Displays tabs in tiled layouts in Firefox. Arrange tiles horizontally, vertically or in a grid. Resize tiles by dragging splitter bars. Tabs and links can be dragged to open in other tiles. Supports multiple tiled layouts. Works with tab groups.58,730 users -
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 -
Switch youtube to dark mode. Dark mode will help devices save battery and useful for your sleeping. This dark mode is supported by https://www.emojionline.org2,713 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.
