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 19,962,079 users
- 2. Video DownloadHelper 4,447,376 users
- 3. Easy Screenshot 2,576,500 users
- 4. NoScript Security Suite 2,124,696 users
- 5. Firebug 2,022,082 users
- 6. uBlock Origin 1,678,414 users
- 7. Ghostery 1,381,273 users
- 8. DownThemAll! 1,224,868 users
- 9. Greasemonkey 1,218,480 users
- 10. Download YouTube Videos as MP4 1,062,438 users
Featured Extensions See all »
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Alter Firefox's built-in privacy settings easily with a toolbar panel.This add-on is not compatible with your version of Firefox because of the following:
18,231 users -
Between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, it has everything to make the Find Toolbar a powerful and accessible research tool!This add-on is not compatible with your version of Firefox because of the following:
32,399 users -
Cleanup your Addon ManagerThis add-on is not compatible with your version of Firefox because of the following:
17,236 users -
DuckDuckGo is the search engine that doesn't track you. This add-on makes DuckDuckGo your default search engine and includes some other useful features.This add-on is not compatible with your version of Firefox because of the following:
196,851 users -
Copy links to a page with one click, ready to paste anywhere else, eg. emails, blogs, forums and Twitter. Copy a single page, all open tabs or all links on a page.This add-on is not compatible with your version of Firefox because of the following:
15,061 users -
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:
28,429 users
Up & Coming Extensions See all »
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Ad Blocker lets you block all ads, tracking & malware from the web world. It is an effective solution to browse the web without offensive and annoying ads you hate to see.This add-on is not compatible with your version of Firefox because of the following:
20,901 users -
Access your Identity Safe Vault, which remembers your usernames and passwords for single-click access to your favorite sites.This add-on is not compatible with your version of Firefox because of the following:
23,170 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.1,126 users -
Adds a toolbar button to toggle between Flash and the default HTML playersThis add-on is not compatible with your version of Firefox because of the following:
2,232 users -
YouTube Video Player Speed play YouTube videos in whatever speed you wantThis add-on is not compatible with your version of Firefox because of the following:
21,260 users -
Capture browser events for the Context Graph Recommendation Engine.This add-on is not compatible with your version of Firefox because of the following:
2,954 users
Featured Themes See all »
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
