Mozilla Firefox is one of the products developed by a multinational software development company, Mozilla. It is a fast, full featured Web browser used worldwide and is compatible with Windows, Linux, OS X and Android mobile phones. The features of the browser include spell checking, download manager, private browsing, tabbed browsing, live bookmarking and more. The browser was first released in September 2002. Mozilla Firefox is available in 79 global languages; hence there is no language barrier to use the browser. Its history begins with the launch of the Mozilla project by three American software developers, Blake Ross, Dave Hyatt and Joe Hewitt. The postal and official address, email address and phone number (helpline) of Mozilla Firefox service center is given above. The helpline of Mozilla Firefox service center may or may not be toll free.