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 20,002,456 users
- 2. Video DownloadHelper 4,554,831 users
- 3. Easy Screenshot 2,514,624 users
- 4. NoScript Security Suite 2,138,853 users
- 5. Firebug 2,003,284 users
- 6. uBlock Origin 1,978,739 users
- 7. Ghostery 1,399,368 users
- 8. DownThemAll! 1,227,966 users
- 9. Greasemonkey 1,211,444 users
- 10. Download YouTube Videos as MP4 1,068,897 users
Featured Extensions See all »
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Multi Links Plus lets you open, copy or bookmark multiple links at the same time rather than having to do them all individually.This add-on is not compatible with your version of Firefox because of the following:
29,751 users -
Quickly and easily switch between popular user-agent strings.This add-on is not compatible with your version of Firefox because of the following:
58,222 users -
Make sure your tabs stay visible all the time.This add-on is not compatible with your version of Firefox because of the following:
10,993 users -
Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts it back to HTTP.This add-on is not compatible with your version of Firefox because of the following:
38,278 users -
Encode selection, links and images to QrCode with right-click.This add-on is not compatible with your version of Firefox because of the following:
7,340 users -
Facebook™ Disconnect is an efficient firewall to disconnect third-party websites from accessing to your Facebook.This add-on is not compatible with your version of Firefox because of the following:
27,477 users
Up & Coming Extensions See all »
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Want to change from one language to another? Zing! and the locale is switched.This add-on is not compatible with your version of Firefox because of the following:
2,934 users -
Enhance your YouTube watching experience! Auto HD, Ad Block, Cinema Mode, Mouse Wheel Volume Control, Screenshot...This add-on is not compatible with your version of Firefox because of the following:
21,683 users -
Youtube to Mp3/Mp4 converter and downloader free online quickly and easily.This add-on is not compatible with your version of Firefox because of the following:
Supported portals: facebook, instagram, soundcloud, redtube, xvideos, xhamster, pornhub, vevo and other sites.12,197 users -
An easy-to-use and lite App for WhatsApp Web.This add-on is not compatible with your version of Firefox because of the following:
5,452 users -
Tool for managing the default action when you click a "mailto:" link. Specializing in sharing details for Webmail services.This add-on is not compatible with your version of Firefox because of the following:
8,928 users -
Privatix is a privacy protection VPN with unlimited free access. Unblock any blocked website, protect WiFi, and ensure online security.This add-on is not compatible with your version of Firefox because of the following:
2,305 users
Featured Themes See all »
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
