Explore powerful tools and features to customize Firefox and make the browser all your own.
With EPUBReader you can read ePub files just in Firefox. No additional software needed!
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.
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+.
Squared tabs, application menu, add-on bar, small button view and many more 'old' features for 'Firefox 29-56', not for Firefox 57+! Release builds Beta builds
Australis was the code name for the current Firefox theme, it aimed to make a great browser look awesome. Now you can go one step further and also make it feel awesome to use!
Displays the number of unread messages and allows you to reply without going into VK!
On guard of safety, your faithful dog!
Verify a Tails download
Free YouTube to MP3 Button allows you to save music in Mp3 just in 1 click! All you need to do is to click Convert to mp3 straight at the page of the required video. Fast and simple!
Adds a bar to show the status of your downloads