Firefox extensions expand the functionality of the browser with new features not available in the default program. Below are the best Firefox add-ons (aka extensions) that cover security and privacy, ...

One of the features that attract geeks and power users to Firefox is add-ons. these simple browser extensions allow you to customize pretty much everything about the browser, from the page being ...

Mozilla Firefox extensions created by Avast have been removed from the available add-ons listed within the browser's extensions management UI and Firefox website. GHacks reports that existing add-ons, ...

An expired certificate on the Mozilla Add-ons infrastructure is disabling Firefox add-ons for millions of users, and is also preventing users from re-activating or (re-)installing extensions. The ...

If your Firefox add-ons were borked over the weekend, you’re not alone. Late on Friday, many Firefox users found that many extensions were suddenly useless or impossible to install after Mozilla ...

A malicious campaign dubbed 'GreedyBear' has snuck onto the Mozilla add-ons store, targeting Firefox users with 150 malicious extensions and stealing an estimated $1,000,000 from unsuspecting victims.

The Firefox browser already has a lot of useful functions built in. Quantum, the latest version of the browser from Mozilla, is one of its biggest overhauls ever. With these nine add-ons however, it ...