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

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.

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.

As you add new Firefox extensions, though, the toolbar can become filled with unwanted icons. This guide will explain how to remove a button from the Firefox toolbar.

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 ...

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 ...