A proxy is a web page that provides of any users to browse any web sites that may be blocked by a content filter. By making use of the proxy as the portal to the blocked site, it is possible to circumvent the work of whatever content filter is in place. At the same time, the proxy site also helps to mask the visit to the site, so that there is less evidence that the content filter was not successful in preventing the visit. This will unblocked the blocked site that are prohibited to visit anonymously. Mostly privates schools and company are using proxy sites.

This tool is used also to unblock myspace, unlock facebook and many more sites that are being blocked.