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, ...

Firefox only: Good news for Firefox 3 beta testers—Lifehacker's home-compiled Better YouTube and Better GReader extensions are now approved and hosted at Mozilla's official Add-ons site. That means ...

Firefox 63 has been out for less than a month and it won't be long until the next version of Mozilla's browser hits the mainstream. Slated for release on December 11, Firefox 64 will include a number ...

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 ...

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, ...