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 14,581,097 users
- 2. uBlock Origin 3,851,625 users
- 3. Video DownloadHelper 3,737,992 users
- 4. Easy Screenshot 2,414,026 users
- 5. NoScript Security Suite 1,760,455 users
- 6. Firebug 1,405,636 users
- 7. iMacros for Firefox 1,187,861 users
- 8. Ghostery 985,160 users
- 9. DownThemAll! 963,621 users
- 10. Cisco WebEx Extension 926,226 users
Featured Extensions See all »
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"Best Youtube Video Downloader", Only one with 1080p Full-HD and 256kbps MP3 Direct Links. A clean, fast and simple addon for superfast and easy downloads in FLV, 3GP, MP3, MP4, 720p, 1080p qualities on Youtube pages.220,838 users -
Displays country flag of website's server location, Whois and Geo info on a browser addressbar icon1,363 users -
The entire page will be fading to dark, so you can watch the video as if you were in the cinema.46,351 users -
Block unwanted dangerous malware while keeping your personal information safe. Fraudscore's Artificial Intelligence tracks and blocks shady advertisements, malicious websites, and software that tries to steal your personal information.2,621 users -
Enables desktop notifications like in Chrome (e.g. Gmail, imo.im) and, if the site doesn't support them, it can notify new messages or updates detecting changes of the title (e.g. Hotmail, Yahoo, Facebook, Twitter). Even if the browser is minimized!2,578 users
Up & Coming Extensions See all »
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Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.1,426 users -
This will fix all embedded Photo Bucket images on forums and other websites.
Source Code: https://github.com/Ryan-Myers/photobucket-embed-fix
Ported from the Chrome extensions code: https://github.com/kzahel/photobuck1,379 users -
Prevents your web browser from opening a new window on top of the content or web site you are viewing. The Addon also supresses unwanted advertisement windows on your screen. The one deciding what consitutes a popup is the user.20,727 users -
Select some text, right-click and choose"Search image" in the menu, a Google Image tab will open with your results.3,505 users -
Save video from any Youtube video in High definition HD or Standard definition SD.
1-click download any video directly from Youtube YT.
Choose if you want .mp4, .webm, mobile, or audio only (audio only saves space and great for mobile devices)43,839 users -
Download YouTube videos in all available formats and extract the original audio files4,970 users
Featured Themes See all »
Featured Collections See all »
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Password Managers
Enjoy better security and more convenience with an excellent password manager.
5 add-ons · 197 followers -
Bookmark Managers
Customize and re-organize the way you manage your bookmarks.
8 add-ons · 74 followers
To create your own collections, you must have a Mozilla Add-ons account.
