Mask My IP, the best Free security and privacy protection software, can conceal your online identity with the click of a button. Primary benefits include anonymizing your web surfing, keeping your computer safe from hacker attacks and other risks, preventing identity theft, sending anonymous E-mails, etc. It is guaranteed to be 100% clean of viruses, adware or spyware, and compatible with Internet Explorer, FireFox, Opera, Maxthon, MyIE, etc.