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 18,678,101 users
- 2. Video DownloadHelper 3,975,968 users
- 3. Easy Screenshot 2,327,376 users
- 4. NoScript Security Suite 2,016,167 users
- 5. Firebug 2,013,551 users
- 6. Ghostery 1,343,647 users
- 7. uBlock Origin 1,234,836 users
- 8. Greasemonkey 1,201,581 users
- 9. DownThemAll! 1,199,984 users
- 10. Adblock Plus Pop-up Addon 1,018,315 users
Featured Extensions See all »
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F.B. Purity hides the ads, app spam and other annoying clutter from your facebook news feed, lets you increase the font size, change colours plus many more features and generally makes Facebook a lot less annoying to use.This add-on is not compatible with your version of Firefox because of the following:
39,082 users -
An extension that adds direct links to download YouTube videos as MP4 and FLV. It has a simple interface and it downloads videos directly from YouTube. The extension integrates with YouTube's interface and adds a download button below the player.This add-on is not compatible with your version of Firefox because of the following:
1,005,010 users -
The Add-ons Manager slims down!This add-on is not compatible with your version of Firefox because of the following:
This add-on reduces the height of entries in the Add-on Manager, so you can display more of them at a time.8,968 users -
Make the web faster, more private, and more secure.This add-on is not compatible with your version of Firefox because of the following:
265,851 users -
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.This add-on is not compatible with your version of Firefox because of the following:
95,117 users -
Play YouTube™ Videos in Flash or HTML5 PlayerThis add-on is not compatible with your version of Firefox because of the following:
43,813 users
Up & Coming Extensions See all »
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Access to WhatsApp Web from within a toolbar panel and get badge notification of unread threadsThis add-on is not compatible with your version of Firefox because of the following:
10,387 users -
Surfe wie gewohnt im Internet und nutze automatisch die Vorteile, die Wallet Dealer dir automatisch auf deinen Lieblings-Online-Shops anbietet.This add-on is not compatible with your version of Firefox because of the following:
2,203 users -
Analyze Amazon reviews when shopping online.This add-on is not compatible with your version of Firefox because of the following:
2,237 users -
Want to change the blue background color of your Facebook ?This add-on is not compatible with your version of Firefox because of the following:
4,170 users -
YouTube Video Player Pop Out lets you pop out YouTube videos so that you can watch YouTube videos while you surf.This add-on is not compatible with your version of Firefox because of the following:
24,664 users -
OffersOlymp ist ein kostenloses Browser-Addon, das dir aktulle Rabatte, Gutscheine und Aktionen deiner Lieblings-Online-Shops direkt im Browser anzeigt.This add-on is not compatible with your version of Firefox because of the following:
13,030 users
Featured Themes See all »
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
