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 13,925,977 users
- 2. uBlock Origin 3,773,001 users
- 3. Video DownloadHelper 3,611,504 users
- 4. Easy Screenshot 2,399,541 users
- 5. NoScript Security Suite 1,790,267 users
- 6. Firebug 1,403,325 users
- 7. iMacros for Firefox 1,334,594 users
- 8. Ghostery 964,591 users
- 9. DownThemAll! 947,782 users
- 10. Greasemonkey 888,773 users
Featured Extensions See all »
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Block unwanted dangerous malware while keeping your personal information safe. Fraudscore's Artificial Intelligence tracks and blocks shady advertisements, malicious websites, and software that tries to steal your personal information.2,012 users -
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.73,156 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.60,956 users -
Tool for managing the default action when you click a "mailto:" link. Specializing in sharing details for Webmail services.3,448 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.93,225 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)11,932 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.2,828 users -
Click to download any Youtube, Instagram, Facebook, Vid.me, Streamable, LiveLeak, Vine video or photo.8,581 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 ...24,845 users -
This is a basic FireFox extension which simply scrolls the page down (and optionally up again) automatically at an adjustable rate.9,444 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 · 126 followers -
Bookmark Managers
Customize and re-organize the way you manage your bookmarks.
8 add-ons · 14 followers -
Framework DevTools
A modernized development kit.
3 add-ons · 19 followers
To create your own collections, you must have a Mozilla Add-ons account.
