Firefox for mobile devices lets you install browser extensions. If you want to know how to, there's a handy guide.

Why does Firefox not have group tabs built into the web browser? Firefox Panorama (formerly Tab Groups, TabCandy) was Mozilla's tab management feature, released in March 2011 with Firefox 4.

How to add a third-party translation extension to Firefox Since Firefox does not include any built-in translation features, you'll have to download an add-on on your Mac or PC.

Firefox 57 is set to bring the biggest shake-up that Mozilla's browser ecosystem has seen in quite some time, and the simple reason is that a huge number of browser extensions and add-ons are set ...

Check 7 great extensions available for Mozilla Firefox! Improve your experience with this powerful web browser.

LastPass works with Firefox through a toolbar add-on that can be downloaded through the "Tools" menu or by typing "about: addons" into the URL bar.

Click the Add to Chrome/Add to Firefox button to install the extension. Click on the Avast extension icon in the toolbar. Click on the DETAILS button to check the respective information.

Mozilla today announced major changes to how Firefox will implement add-ons going forward. The most important of these is the adoption of a new extension API that will be largely compatible with ...