無料オンラインCGMからRBへのコンバーター

This is used to exchange vector graphics among different platforms. It stores not only 2D vector images, but also raster images. It allows you to store a large number of graphical information types and is applied primarily for design in aviation, engineering and other technical fields.

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.