Firefox Tweaks Revisted for 2.0. Firefox Tweak Guide. Author: Koroush Ghazi Last Modified: May 2016 Printable Version: Printing Guides Introduction Mozilla Firefox, or simply Firefox for short, is a free web browser, one of several that are now available for use in navigating the Internet.
These days, there is strong competition in the browser market, with Internet Explorer, Chrome and Opera all being viable free alternatives to Firefox.