Explore powerful tools and features to customize Firefox and make the browser all your own.
Protect your Passwords, Payments, and Privacy.
Displays country flag of website's server location, Whois and Geo info on a browser addressbar icon
Blocks annoying video ads on YouTube, Facebook ads, banners and much more. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
Take tabs from a parent window and arrange them in a layout of tiled sub-windows, using the toolbar button, context menu or keyboard shortcuts. Makes it easy to browse, compare or monitor multiple pages. Synchronize scroll. Save and re-open layouts.
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