FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.
Create a QR code of the selected text, current url or hyperlink. Also possible to create a QR Code from free text within Firefox. Now with UTF8 support.
Social Fixer for Facebook fixes annoyances, adds features, and enhances existing functionality to make FB more fun and efficient. Filter the news feed, hide sponsored posts and political posts, hide parts of the page you don't want to see, and more!
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
Switch website you want to dark mode. Dark mode will help devices save battery and reduces strain on your eyes.
Pearltrees lets you organize everything.
Скробблинг проигрываемой на vk.com музыки на last.fm
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.
Desbloqueie qualquer site bloqueado e fique seguro com Touch VPN. Fácil de usar com ativação por um clique. Ilimitado e totalmente GRÁTIS!
Ensure Reddit always loads the old design
Guarda as coisas que encontras na Web.
Traduzir o texto selecionado com o Google Tradutor.