Free Online WMZ to RB Converter

This is a format for storing skins for the Media Player interface in Windows. The WMZ format contains Jscript code and a set of graphical elements. The Jscript determines how each element interacts with the skin. It is stored in compressed form using ZIP compression.

Was developed for the first mass-produced e-book reader – Rocket eBook. The format is written in Ruby. RB files are containers holding the entire content for a Rocket eBook device. It has DRM protection capability which is not used in the books published at present due to the format’s lack of popularity.