Explore powerful tools and features to customize Firefox and make the browser all your own.
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.
Play YouTube™ Videos in Flash or HTML5 Player
Make the web faster, more private, and more secure.
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.
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!
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!
Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.
Adds a bar to show the status of your downloads