Firefox is a re-design of Mozilla browser component. It is formerly known as Phoenix and Firebird. It is the most useful web browser for Windows, Linux and Mac OS X. XUL user interface language had been used to written this browser and was designed to be cross-platform. Firefox is free software and can easily be downloaded from Mozila site.

The most significant security feature is, it keeps your computer safe from malicious spyware by not loading harmful ActiveX controls. A comprehensive set of privacy tools maintains the secrecy of users' browsing.

Firefox is simple and easy to use. It contains all the features of a modern advanced browser like: Popup blocking, Tabbed browsing, Smarter search, Live Bookmarks etc. It is very fast and easy to download Firefox to the desktop.

Firefox is considered as the most customizable browser, which customizes toolbars to add additional buttons, add new themes and styles. Firefox is considered as the developer's best friend because it comes with a set of developer's tool including JavaScript, CSS error and warning console etc.