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, ...

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 ...

Although +Google Chrome has been getting many deserved kudos for its innovations and speed, many people still prefer to use +Mozilla Firefox as their primary browser. If you’re a dedicated Google+ ...

Mozilla is making it easier to choose the best Firefox add-ons from a sea of extensions you'd usually have to wade through. The latest version of Firefox for desktop now comes with a list of ...

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, ...

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 ...

Did you just open Firefox only to find all of your extensions disabled and/or otherwise not working? You’re not alone, and it’s nothing you did. Reports are pouring in of a glitch that has ...

Mozilla Corp. will relaunch its popular Firefox add-on site Monday by culling the several thousand extensions listed for its open-source browser to just a couple of hundred. The move is part of a ...