Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.
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 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.
Send the page you are currently viewing to your mobile device. QR codes are generated instantly in browser and never leave your computer. Implemented with WebExtensions API and compatible with Firefox 57+.
Pearltrees lets you organize all your interests.
An extension to silently generate a TinyURL for your current page at the click of a button. Also shows you where TinyURLs on the web will take you.
Scrobble music from vk.com to last.fm
Removes the checks WhatsApp put in place to disable Firefox accessing WhatsApp Web, the new web interface. **NOTICE: WhatsApp Web is now compatible with Firefox! You don't need to install this addon any more**
Runs WhatsApp in background and makes it accessible via hotkey (Alt+A). Toggle between current tab and WhatsApp using either toolbar button or Alt+A hotkey. Shows notification count badge.
Very lightweight Firefox 57+ (WebExtension) Compatibile Gmail checker Add-On. Onclick: open GMail. English version.
Yomichan turns your browser into a tool for building Japanese language literacy by helping you to decipher texts which would be otherwise too difficult tackle. It features a robust dictionary with EPWING and flashcard creation support.
Firefox 57 will remove the share feature because it was using a non official Social API. This extension reimplements the feature using the same icon, which opens a modal window.