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 14,668,424 users
- 2. uBlock Origin 3,890,854 users
- 3. Video DownloadHelper 3,811,962 users
- 4. Easy Screenshot 2,480,453 users
- 5. NoScript Security Suite 1,763,436 users
- 6. Firebug 1,400,773 users
- 7. Cisco WebEx Extension 1,005,877 users
- 8. Ghostery 990,883 users
- 9. DownThemAll! 967,098 users
- 10. Greasemonkey 902,460 users
Featured Extensions See all »
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The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.452,279 users -
With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.75,778 users -
Automatically refresh tabs based on custom time intervals9,803 users -
Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Whitelist the ones you trust while deleting the rest. Support for Container Tabs (Firefox 53+).13,219 users
Up & Coming Extensions See all »
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Bring back your personal and powerful Firefox Button!66,582 users -
Select some text, right-click and choose"Search image" in the menu, a Google Image tab will open with your results.12,938 users -
when activated, interrupts the built-in download manager to direct links to FDM2,502 users -
This will fix all embedded Photo Bucket images on forums and other websites.
Source Code: https://github.com/Ryan-Myers/photobucket-embed-fix
Ported from the Chrome extensions code: https://github.com/kzahel/photobuck3,717 users -
This extension helps you quickly disable and enable different types of resources such as JavaScript, CSS, and Media. The extension can be used to increase privacy as well as saving bandwidth by blocking unwanted contents.5,325 users -
A new options button
Can now play embedded video if they are in the page
hls.js version can be selected in the options29,663 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.
6 add-ons · 243 followers -
Bookmark Managers
Customize and re-organize the way you manage your bookmarks.
8 add-ons · 132 followers -
Dynamic Media Downloaders
There are better ways to download video, images & more.
9 add-ons · 7 followers
To create your own collections, you must have a Mozilla Add-ons account.
