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 14,520,796 users
- 2. uBlock Origin 3,816,521 users
- 3. Video DownloadHelper 3,717,775 users
- 4. Easy Screenshot 2,420,813 users
- 5. NoScript Security Suite 1,760,450 users
- 6. Firebug 1,485,528 users
- 7. Ghostery 1,013,948 users
- 8. DownThemAll! 978,748 users
- 9. Greasemonkey 915,794 users
- 10. Download YouTube Videos as MP4 907,350 users
Featured Extensions See all »
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Play YouTube™ Videos in Flash or HTML5 PlayerThis add-on is not compatible with your version of Firefox because of the following:
36,340 users -
This add-on brings back the ability to change the page which is shown when opening a new tab.This add-on is not compatible with your version of Firefox because of the following:
111,777 users -
provides an easy access to messenger.com and notifies you of all new messages (via badge icon text)This add-on is not compatible with your version of Firefox because of the following:
2,116 users -
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.This add-on is not compatible with your version of Firefox because of the following:
35,590 users -
A Torrent Client for Firefox and SeaMonkey, runs everywhere, created in pure JavaScript without binary software!This add-on is not compatible with your version of Firefox because of the following:
37,759 users -
Easy Screenshot is an easy to use screen capture tool. Simply press one of the context menu items to capture entire or a portion of your screen.This add-on is not compatible with your version of Firefox because of the following:
9,724 users
Up & Coming Extensions See all »
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Download videos from web sites and avoid compromising entries in your browser history.This add-on is not compatible with your version of Firefox because of the following:
3,872 users -
when activated, interrupts the built-in download manager to direct links to IDMan (Internet Download Manager)This add-on is not compatible with your version of Firefox because of the following:
3,685 users -
YouTube AdBlock and Video Downloader - SmarttubeThis add-on is not compatible with your version of Firefox because of the following:
12,147 users -
Redirects your Browser to the newest version of the javadocs.This add-on is not compatible with your version of Firefox because of the following:
Example: https://docs.oracle.com/javase/7/docs/api/java/lang/String.html -> https://docs.oracle.com/javase/8/docs/api/java/lang/String.html2,529 users -
Plugin for launching FCC applicationThis add-on is not compatible with your version of Firefox because of the following:
3,798 users -
Proxy Tool - Powerful, yet User-friendly proxy tool to manage your proxies and anonymity needs, including: 46M+ user agents (world's largest), 10 different spoofed HTTP referrers, auto-proxy rotation, plus many more. Developed by http://ProxyList.coThis add-on is not compatible with your version of Firefox because of the following:
303,235 users
Featured Themes See all »
Featured Collections See all »
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Winter Themes
Give your Firefox a winter wardrobe change!
15 add-ons · 181 followers
To create your own collections, you must have a Mozilla Add-ons account.
