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 14,313,599 users
- 2. uBlock Origin 3,801,265 users
- 3. Video DownloadHelper 3,662,212 users
- 4. Easy Screenshot 2,322,398 users
- 5. NoScript Security Suite 1,744,611 users
- 6. Firebug 1,425,607 users
- 7. Ghostery 999,541 users
- 8. DownThemAll! 963,011 users
- 9. Greasemonkey 901,686 users
- 10. Download YouTube Videos as MP4 891,724 users
Featured Extensions See all »
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Reader is the ultimate Reader tool for Firefox.This add-on is not compatible with your version of Firefox because of the following:
24,144 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.1,744,611 users -
Shut down the lights on YouTube.This add-on is not compatible with your version of Firefox because of the following:
Enjoy!48,162 users -
A handy and reliable extension designed to store your notes, lists and photos.This add-on is not compatible with your version of Firefox because of the following:
9,412 users -
Add sub-menus to History Menu for previous days' history.This add-on is not compatible with your version of Firefox because of the following:
3,567 users -
Access to the complete Firefox's proxy settings right from a toolbar panelThis add-on is not compatible with your version of Firefox because of the following:
32,424 users
Up & Coming Extensions See all »
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A Firefox Shield study to learn more about users' understanding of how the web works.This add-on is not compatible with your version of Firefox because of the following:
2,920 users -
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:
6,507 users -
Allows user to block gif images on a web page.This add-on is not compatible with your version of Firefox because of the following:
16,229 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:
6,600 users -
YouTube AdBlock and Video Downloader - SmarttubeThis add-on is not compatible with your version of Firefox because of the following:
16,059 users -
Simulate the use of a series of proxy changing at each new connection.This add-on is not compatible with your version of Firefox because of the following:
80,439 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 · 185 followers
To create your own collections, you must have a Mozilla Add-ons account.
