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 ...

Adding a VPN extension to Firefox will turn your browser into an IP-shifting tool that also lets you surf the internet more ...

Some add-ons are worse than others. Mozilla has done everyone a favor by releasing a list of 10 add-ons that are known to significantly slow down Firefox 4 when it starts up. We have the list here.

Firefox users report having add-ons disabled, being unable to re-activate or (re)-install extensions.

Mozilla will block Firefox add-ons that contain obfuscated code as part of the updated Add-on Policy that aims to rid the portal of malicious extensions.

Firefox add-ons are a great way to add features and improve security in Mozilla’s browser, but they can seriously slow performance too. Now Mozilla is taking action against those speed-killing ...

Mozilla has released a Hall of Fame that software developers definitely don’t want to be on. To promote the fact that not all Firefox add-ons are created equal, the browser-builder has named and ...

Over the past two weeks, Mozilla's add-on review team has banned 197 Firefox add-ons that were caught executing malicious code, stealing user data, or using obfuscation to hide their source code ...

Firefox Chief Technology Officer Eric Rescorla has written a detailed blog post explaining exactly how the browser's add-ons came to break all at once last week, how it was fixed, and how the ...

I think we all know that add-ons have grown integral to the Firefox experience -- and popular, to say the least -- but we didn't know just how popular until now. Today, Mozilla said through its ...

Firefox is popular in part because it allows anyone to extend the browser with all sorts of additional functionality through its add-on framework. Add-ons can turn Firefox into a BitTorrent client ...

Mozilla Corp. has acknowledged that hackers can drop malicious code into systems running Firefox when the browser is armed with any of several high-profile add-ons, including Google Toolbar and ...