محول SK1 إلى RB مجاني عبر الإنترنت

This is a vector images format created in a program for SK1 drawings, which was developed under Linux for open distribution. It contains vector graphics and is used for storing maps, brochures, logos and other illustrations. Today it’s used in vector graphics editors such as Sketch and Skencil.

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.