Free Online CDR to RB Converter
CDR
to
RB
CDR
CorelDRAW Graphics files (7-X3,X4 versions)
This is a format for storing graphical information, created in the CorelDRAW program. It can contain raster and vector images. It’s used exclusively in vector editors from the Corel company. For use in third-party software it’s necessary to use converters. Version 10 and earlier can be opened in vector software from Adobe. CDR can be opened also with the help of Inkscape and sK1 programs.
RB
Rocket eBook
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.
How To Convert CDR to RB

Step 1: Upload Files
Click the upload button or drag and drop your CDR files into the upload area.

Step 2: Convert File
Click "Convert" and wait for conversion done

Step 3: Download
Download the converted RB file