OTB to RB Converter
Convert your otb files to rb online & free
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.
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 OTB to RB
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to rb"
Choose rb or any other format you need as a result (more than 200 formats supported)
Download your rb
Let the file convert and you can download your rb file right afterwards