RB to OTB Converter
Convert your rb files to otb online & free
Convert to RB
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.
This format was created by Nokia for use in its proprietary phones. A bitmap image was used to transfer image files between devices over a wireless connection. It was mainly used when exchanging multimedia text messages that support inserting pictures.
How to convert RB to OTB
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to otb"
Choose otb or any other format you need as a result (more than 200 formats supported)
Download your otb
Let the file convert and you can download your otb file right afterwards