Darmowy Konwerter Online z PCS na RB

This format is used for sewing software on Windows for creating seams with a specific layout. It contains template information that can be sown onto the necessary material on programable sewing equipment. It contains vector imaging for templates.

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.