provided are techniques for state information sharing . at least one of user information and browser information is stored in a first configuration file in a first file format associated with a first browser application . a change in at least one of the user information and the browser information in the first configuration file is recognized . the changed at least one of the user information and the browser information in the first file format is converted to a second file format associated with a second browser application . a second configuration file is updated with the changed at least one of the user information and the browser information in the second file format . in response to starting the second browser application , a user and browser state is set using the user information and the browser information in the second configuration file .