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 20,083,310 users
- 2. Video DownloadHelper 4,417,856 users
- 3. Easy Screenshot 2,520,655 users
- 4. NoScript Security Suite 2,100,569 users
- 5. Firebug 2,084,745 users
- 6. uBlock Origin 1,460,445 users
- 7. Ghostery 1,396,637 users
- 8. DownThemAll! 1,240,641 users
- 9. Greasemonkey 1,229,698 users
- 10. Download YouTube Videos as MP4 1,073,696 users
Featured Extensions See all »
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Weather Forecast Plus is the easiest way to check the weather while you browse internetThis add-on is not compatible with your version of Firefox because of the following:
29,595 users -
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.This add-on is not compatible with your version of Firefox because of the following:
111,258 users -
The best security you can get in a web browser!This add-on is not compatible with your version of Firefox because of the following:
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.2,100,569 users -
A bulletproof approach to prevent YouTube from buffering videosThis add-on is not compatible with your version of Firefox because of the following:
14,255 users -
Allows quick enable and disable of Java, Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth.This add-on is not compatible with your version of Firefox because of the following:
259,583 users -
Shows full image when you hover over a thumbnail. Works with Amazon, Baidu Images, Bing Images, Facebook, Flickr, Google+, Google Images, IMDb, LinkedIn, Netflix, Pinterest, Reddit, Twitter, Yandex, YouTube, Wikipedia, Yahoo Images, & many more.This add-on is not compatible with your version of Firefox because of the following:
108,485 users
Up & Coming Extensions See all »
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ReviewMeta analyzes millions of reviews and helps you decide which to trust.This add-on is not compatible with your version of Firefox because of the following:
1,344 users -
Never miss a donation for your charity or good cause again with the easyfundraising Donation Reminder.This add-on is not compatible with your version of Firefox because of the following:
8,412 users -
Custom New TabThis add-on is not compatible with your version of Firefox because of the following:
3,679 users -
A Simple Addon Just Right Click on any Video and Choose Download Mp3
This add-on is not compatible with your version of Firefox because of the following:
1,497 users -
AUSkey will no longer be supported by Firefox in March 2017. To continue using your AUSkey in Firefox you need to download this browser extension.This add-on is not compatible with your version of Firefox because of the following:
2,610 users -
Smooth scrolling for Logitech mice.This add-on is not compatible with your version of Firefox because of the following:
1,163 users
Featured Themes See all »
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
