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 17,456,615 users
- 2. Video DownloadHelper 4,512,452 users
- 3. uBlock Origin 3,616,471 users
- 4. Easy Screenshot 2,736,560 users
- 5. NoScript Security Suite 2,067,347 users
- 6. Firebug 1,812,048 users
- 7. Search and New Tab by Yahoo 1,670,760 users
- 8. Ghostery 1,257,847 users
- 9. DownThemAll! 1,148,078 users
- 10. Greasemonkey 1,110,581 users
Featured Extensions See all »
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A Torrent Client for Firefox and SeaMonkey, runs everywhere, created in pure JavaScript without binary software!This add-on is not compatible with your version of Firefox because of the following:
50,539 users -
Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!This add-on is not compatible with your version of Firefox because of the following:
394,354 users -
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.This add-on is not compatible with your version of Firefox because of the following:
574,617 users -
The entire page will be fading to dark, so you can watch the video as if you were in the cinema.This add-on is not compatible with your version of Firefox because of the following:
58,829 users -
Play YouTube™ Videos in Flash or HTML5 PlayerThis add-on is not compatible with your version of Firefox because of the following:
46,835 users -
FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.This add-on is not compatible with your version of Firefox because of the following:
252,669 users
Up & Coming Extensions See all »
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This addon is a Firefox Shield study aimed at understanding the relationship between reloading web pages and page breakage.This add-on is not compatible with your version of Firefox because of the following:
2,761 users -
Instagram Web BasedThis add-on is not compatible with your version of Firefox because of the following:
3,975 users -
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.This add-on is not compatible with your version of Firefox because of the following:
6,650 users -
Grab and download media (image, audio, and video) resources by monitoring network (like FlashGot or Flash video downloader extensions)This add-on is not compatible with your version of Firefox because of the following:
21,524 users -
Simple add-on to make it easier to use Sci-Hub.
This add-on is not compatible with your version of Firefox because of the following:
1,853 users -
Data compression proxy for Firefox-enables the DataSaver feature provided for chromeThis add-on is not compatible with your version of Firefox because of the following:
DIsclaimer:This is not official implementation of Google DataSaver.
Proxy Server is owned by Google.
Credits:
1.Super User Question http://bit.ly/2gN4mMi7,271 users
Featured Themes See all »
Featured Collections See all »
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Winter Themes
Give your Firefox a winter wardrobe change!
15 add-ons · 133 followers
To create your own collections, you must have a Mozilla Add-ons account.
