Android Add-ons
Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
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Adblock Plus
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
uBlock Origin
Cisco WebEx Extension
Flash Video Downloader - YouTube HD Download [4K]
Flash Video Downloader helps you download any video (flv, mp4, HD) from YouTube, Facebook, Break, Metacafe and more in one click. You can download mp3, music (iPod), avi and more. Download Flash games. Download Helper. 4K download.
LastPass Password Manager
Featured
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
Awesome Screenshot Plus - Capture, Annotate & More
Compatible with Firefox 57+
Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!
Amazon Assistant for Firefox
Compatible with Firefox 57+
This is an official Amazon extension for Firefox. Amazon Assistant helps you make better shopping decisions by showing product comparisons at thousands of retail sites. By installing you agree to the Conditions of Use at amazon.com/gp/BIT/TOU.
AdBlocker Ultimate
Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!
HTTPS Everywhere
Requires Restart
Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.
Grammarly for Firefox
Compatible with Firefox 57+
Grammarly will help you communicate more effectively. As you type, Grammarly flags mistakes and helps you make sure your messages, documents, and social media posts are clear, mistake-free, and impactful.
AdBlock for Firefox
Compatible with Firefox 57+
The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.
Self-Destructing Cookies
Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.
Stylish
Requires Restart
Featured
Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.
AdBlocker for YouTube™
Compatible with Firefox 57+
Removes all annoying Ads from YouTube
EPUBReader
Compatible with Firefox 57+
With EPUBReader you can read ePub files just in Firefox. No additional software needed!
Privacy Badger
Compatible with Firefox 57+
Protects your privacy by blocking spying ads and invisible trackers.
Evernote Web Clipper
Compatible with Firefox 57+
Use the Evernote Web Clipper to save things you see on the web into your Evernote account.
Easy Youtube Video Downloader Express
Compatible with Firefox 57+
"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.
Reddit Enhancement Suite
Compatible with Firefox 57+
NOTE: Reddit Enhancement Suite is developed independently, and is not officially endorsed by or affiliated with reddit.
RES is a suite of tools to enhance your reddit browsing experience.
Disconnect
Compatible with Firefox 57+
Make the web faster, more private, and more secure.
To create your own collections, you must have a Mozilla Add-ons account.
