Translation, text-to-speech, transliteration on pages and in the pop-up for 100+ languages.
A free extension of the web tools https://emojikeyboard.org & https://coolsymbol.com. It helps input emoji in the browser with an extensive search functionality to facilitate getting emoji by keywords - Sponsored by https://charactercounttool.com.
Protect your Passwords, Payments, and Privacy.
Pearltrees는 웹에서 맘에 드는 모든 것을 수집, 정리, 공유할 수 있는 장소입니다.
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.
A bulletproof approach to prevent YouTube from buffering videos
Tool for managing the default action when you click a "mailto:" link. Specializing in sharing details for Webmail services.
Create a QR Code of the selected text or current URL. Use CTRL-SHIFT-Q to quickly see the QR Code. Also possible to create a QR Code from free text within Firefox. Works completely offline! Now with UTF8 support.
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
Facebook™ Disconnect is an efficient firewall to disconnect third-party websites from accessing to your Facebook.
provides an easy access to messenger.com and notifies you of all new messages (via badge icon text)
Tab notifier 추천
Enables desktop notifications like in Chrome (e.g. Gmail, imo.im) and, if the site doesn't support them, it can notify new messages or updates detecting changes of the title (e.g. Hotmail, Yahoo, Facebook, Twitter). Even if the browser is minimized!