Firefox supports small programs, or plug-ins, that add extra functionality to the browser. These programs are called Add-ons. These programs can add a myriad of features ranging from a new toolbar ...

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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 ...

Extensions or add-ons on any browser make the work of the user simple and easy. We can have a good time browsing websites or doing work using a Web browser and its extensions. In this guide, we show ...

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 ...

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 ...

Firefox 4 Mobile may be new and its add-on catalog small, but that doesn't mean that there aren't some excellent extensions available. This collection of essential add-ons will get you started. One of ...

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 blog ...

Firefox 3 was released just this June, and many Firefox fans believe the new version is clearly the best browser you can get. You can make it even better with free ...