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 20,263,592 users
- 2. Video DownloadHelper 4,474,113 users
- 3. Easy Screenshot 2,594,988 users
- 4. NoScript Security Suite 2,131,569 users
- 5. Firebug 2,070,604 users
- 6. uBlock Origin 1,571,335 users
- 7. Ghostery 1,399,271 users
- 8. DownThemAll! 1,236,713 users
- 9. Greasemonkey 1,232,610 users
- 10. Download YouTube Videos as MP4 1,068,375 users
Featured Extensions See all »
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Tired of having multiple tabs open just to view your favorite Google services and other Apps like Feedly, Evernote, Twitter and more? Now you can see them right from your Gmail Inbox.This add-on is not compatible with your version of Firefox because of the following:
Install now or visit www.integratedinbox.com for more info.11,751 users -
If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.This add-on is not compatible with your version of Firefox because of the following:
231,926 users -
Bypass compulsory web registration with the context menu via www.bugmenot.com.This add-on is not compatible with your version of Firefox because of the following:
30,956 users -
Provides local & long range Weather Forecast using Weather UndergroundThis add-on is not compatible with your version of Firefox because of the following:
12,497 users -
FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.This add-on is not compatible with your version of Firefox because of the following:
35,805 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:
24,651 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:
10,796 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:
1,584 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:
16,669 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:
2,314 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:
18,340 users -
A Simple Addon Just Right Click on any Video and Choose Download Mp3
This add-on is not compatible with your version of Firefox because of the following:
9,906 users
Featured Themes See all »
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
