DatUtil was created to aid in the creation of dat files for Rom
Managers such as ClrMamePro and RomCenter (Roman Scherzer / Eric
Bole-Feysot). It can convert between formats, extract individual
games (and optionally their clones) and cleanse dats. It supports
a variety of formats.

Homepage:
http://www.logiqx.com/Tools/DatUtil/DatUtil.php
