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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Dark YouTube Theme
Compatible with Firefox 57+
Featured
Shut down the lights on YouTube.
Enjoy!
Forecastfox (fix version)
Compatible with Firefox 57+
Featured
Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.
Now Available for: Firefox, Thunderbird and SeaMonkey!
Tab Reloader (Page Reloader)
Compatible with Firefox 57+
Featured
An easy-to-use tab reloader with custom reloading time settings for individual tabs
Tab Auto Refresh
Compatible with Firefox 57+
Featured
Automatically refresh tabs based on custom time intervals
Blur
Compatible with Firefox 57+
Featured
Protect your Passwords, Payments, and Privacy.
Emoji Cheatsheet
Compatible with Firefox 57+
Featured
A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook.
Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.
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.
Dictionary (Google™ Translate) Anywhere
Compatible with Firefox 57+
Featured
"Dictionary (Google™ Translate) Anywhere" extension provides access to a floating multilingual Google Translate panel on any webpage.
Wikipedia Peek
Compatible with Firefox 57+
Featured
Shows previews of linked articles on Wikipedia pages.
Bulk Media Downloader
Compatible with Firefox 57+
Featured
Grab and download media (image, audio, and video) resources by monitoring network (like FlashGot or Flash video downloader extensions)
Privacy Badger
Compatible with Firefox 57+
Featured
Protects your privacy by blocking spying ads and invisible trackers.
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.
Ghostery
Compatible with Firefox 57+
Featured
Increase your browsing privacy, protection, and speed.
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.
LanguageTool Grammar Checker
Compatible with Firefox 57+
Featured
With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.
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.
Youtube Dark Mode
Compatible with Firefox 57+
Featured
Switch youtube to dark mode. Dark mode will help devices save battery and useful for your sleeping. Make donation for us http://www.paypal.me/hoangthanh. Thank you!
Easy Youtube Video Downloader Express
Compatible with Firefox 57+
Featured
WORKS WITH NEW YOUTUBE LAYOUT, "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.
lesspass
Compatible with Firefox 57+
Featured
Use LessPass add-on to generate complex passwords and log in automatically to all your sites
Google search link fix
Compatible with Firefox 57+
Featured
This extension prevents Google and Yandex search pages from modifying search result links when you click them. This is useful when copying links but it also helps privacy by preventing the search engines from recording your clicks.
To create your own collections, you must have a Mozilla Add-ons account.
