Add-ons
To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
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Choose from thousands of extra features and styles to make Firefox your own.
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AdBlock for Firefox
Compatible with Firefox 57+
Featured
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.
Speed Dial (Lite)
Compatible with Firefox 57+
Featured
Access to your favorite websites via an stylish speed dial!
Font Finder (revived)
Compatible with Firefox 57+
Featured
Get all CSS styles of selected text
Dark YouTube Theme
Compatible with Firefox 57+
Featured
Shut down the lights on YouTube.
Enjoy!
Cookie AutoDelete
Compatible with Firefox 57+
Featured
Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Whitelist the ones you trust while deleting the rest. Support for Container Tabs.
Tab2QR
Compatible with Firefox 57+
Featured
A minimal add-on implemented by WebExtension standard. Send the page you are currently viewing to your mobile device.
Turn Off the Lights
Compatible with Firefox 57+
Featured
The entire page will be fading to dark, so you can watch the video as if you were in the cinema.
Ghostery
Compatible with Firefox 57+
Featured
Increase your browsing privacy, protection, and speed.
uBlock Origin
Compatible with Firefox 57+
Featured
Finally, an efficient blocker. Easy on CPU and memory.
Bloody Vikings!
Compatible with Firefox 57+
Featured
Simplifies the use of temporary e-mail addresses in order to protect your real address from spam. Supports inter alia 10minutemail.com and anonbox.net.
Disconnect
Compatible with Firefox 57+
Featured
Make the web faster, more private, and more secure.
Grammarly for Firefox
Compatible with Firefox 57+
Featured
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.
YouTube Control Center
Compatible with Firefox 57+
Featured
YouTube Control Center is an open-source project that aims to enhance the overall YouTube experience by providing the end user with more control in what the playback process is concerned.
Country Flags & IP Whois
Compatible with Firefox 57+
Featured
Displays country flag of website's server location, Whois and Geo info on a browser addressbar icon
Emoji Keyboard
Compatible with Firefox 57+
Featured
A free extension of the web tool https://emojikeyboard.org. It helps input emoji in the web browser with an extensive search functionality.
Honey
Compatible with Firefox 57+
Featured
Automatically find and try coupon codes with 1-click. Works at thousands of stores in the US, Canada, Australia, India and the UK.
FoxyTab
Compatible with Firefox 57+
Featured
Collection of Tab Related Actions e.g. Duplicate, Close Duplicates, Close to the Left, Copy Title, Merge Windows, Save as PDF, Copy Urls Tab/All/Left/Right, Host keep/close/close other, Sort by URL/Title, Asce/Desc, Move, Reload, Reload Timer
Search image
Compatible with Firefox 57+
Featured
Select some text, right-click and choose"Search image" in the menu, a Google Image tab will open with your results.
AdBlocker for YouTube™
Compatible with Firefox 57+
Featured
Removes all annoying Ads from YouTube
Fraudscore
Compatible with Firefox 57+
Featured
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.
To create your own collections, you must have a Mozilla Add-ons account.
