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 20,799,092 users
- 2. Video DownloadHelper 4,621,284 users
- 3. NoScript Security Suite 2,161,924 users
- 4. Firebug 2,115,635 users
- 5. Easy Screenshot 1,803,423 users
- 6. uBlock Origin 1,542,592 users
- 7. Ghostery 1,432,722 users
- 8. DownThemAll! 1,274,557 users
- 9. Greasemonkey 1,251,759 users
- 10. Download YouTube Videos as MP4 1,113,650 users
Featured Extensions See all »
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Cleanup your Addon ManagerThis add-on is not compatible with your version of Firefox because of the following:
17,845 users -
An extension that adds a Google search box to the standard Firefox new tab pageThis add-on is not compatible with your version of Firefox because of the following:
28,394 users -
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:
38,828 users -
Easily download most popular video formats.This add-on is not compatible with your version of Firefox because of the following:
50,829 users -
Create a QR Code of the selected text or current URL. Use CTRL-SHIFT-Q to quickly see the QR Code. Also possible to create a QR Code from free text within Firefox. Works completely offline! Now with UTF8 support.This add-on is not compatible with your version of Firefox because of the following:
18,277 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:
42,702 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:
1,198 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:
8,837 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:
12,904 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:
1,227 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:
5,423 users -
The Mozilla Firefox Educational ToolThis add-on is not compatible with your version of Firefox because of the following:
1,513 users
Featured Themes See all »
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
