Over the coming year, Firefox will be putting the finishing touches on a plan it set in motion in 2015, which was to replace the aging Add-ons API with a new system called WebExtensions, based on the ...

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 ...

The misbehaving Firefox add-ons were misusing an API that controls how Firefox connects to the internet. Mozilla’s Firefox team has blocked add-ons that were abusing the proxy API in order to prevent ...

Firefox Add-ons have long been a major reason of user devotion and now Mozilla has taken Add-ons to the next level with a major upgrade. The Firefox Add-Ons system has been redesigned with a focus on ...

If you're looking to expand the functionality of your browser, look no further than these must-see add-ons for business professionals, social-networking junkees, avid shoppers, and students. CNET ...

As we all know, the absolute greatest thing about Firefox is its extensibility, so why is it that the Firefox Add-ons window seems to be the only thing I can't get to with a keyboard shortcut? Now ...