Abstract: A system and method is provided that allows a single user to maintain on the user's personal machine multiple identities for browsing on the Internet and establish multiple reputations corresponding to the multiple identities. The system includes a multiple identity browser that allows a user to create and select from amongst a plurality of identities. The multiple identity browser includes a list of free e-mail web sites for establishing e-mail addresses corresponding to the plurality of identities. The user can also create and store user names and passwords that the user utilizes at various web sites. An automatic cookie management module is provided that manipulates and stores cookie data sets corresponding to each of a plurality of identities in a multiple identity database module. The cookie management module sets the current cookie data set corresponding to the current identity set by the user in the multiple identity browser.