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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Jump-to-word buttons and highlighting for the search box contentThis add-on is not compatible with your version of Firefox because of the following:
17,214 users -
Grab and download media (image, audio, and video) resources by monitoring network (like FlashGot or Flash video downloader extensions)This add-on is not compatible with your version of Firefox because of the following:
131,935 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:
3,602 users -
Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.This add-on is not compatible with your version of Firefox because of the following:
Now Available for: Firefox, Thunderbird and SeaMonkey!50,153 users -
Simplifies the use of temporary e-mail addresses in order to protect your real address from spam. Supports inter alia 10minutemail.com and anonbox.net.This add-on is not compatible with your version of Firefox because of the following:
12,345 users -
Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!This add-on is not compatible with your version of Firefox because of the following:
66,225 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:
1,671 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:
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
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.
