Mozilla Firefox addons or extensions are programs that can be installed into Firefox in order to change the browser's functionality. This includes adding new features or modifying existing ...

There’s no simple way to validate an extension, but there are several steps you can take to help you feel more comfortable with the developer before deciding to install it.

Mozilla Labs crowned their picks of best new and updated Firefox 3 extensions in a recent contest, but what about best extensions of all time? Last year we ran down our must-have Firefox ...

Extensions are a great way to customize your browser but you want to be careful when adding new ones due to the potential privacy and security risks they can pose.

Install one of these browser extensions in Chrome or Firefox to streamline your BitTorrent downloads, letting you monitor your torrents from any computer and start new ones with one click.

Google Chrome has a hidden tool that can show you which tabs are slowing down your computer.