To access massive and various HTML documents that are in the web using wireless Internet equipments, another WML document that is equal to the HTML document must be written, In the case Web documents written by HTML are massive, the construction of a WML site with the same information needs much cost of space and time, This paper designs and implements the HTML-XML converter that alleviates such a problem. The HTML-WML converter translates the Web document written by HTML to the WML document for portable wireless equipments, The HTML-XML converter has advantages that it reconstructs WML document dynamically according to portable wireless equipments and processes various image formats such as GIF, JPG, BMP, and so on, The HTML-WML converter can be used as not only a utility of the WML editor but also a real-time converter on wireless Internet.