With Mask Surf you can easily mask or hide information related to your operating system, version, browser, system language and IP address from which you are browsing.
This is done using Tor, a network of virtual tunnels that lets people and groups improve their security and privacy on the Internet.
With just one click you can empty your user information that your browser sends to the Internet, and it is totally configurable.
If you use various browsers you can configure each one of them with individual options.
At the moment Mask Surf supports Internet Explorer, Mozilla Suite and Mozilla Firefox, in addition to the most popular instant messaging systems like AOL, Windows messenger, Yahoo! Messenger and ICQ.