RB to OTB Converter

Convert your rb files to otb online & free

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We've converted 416,403,127 files with a total size of 6,016 TB

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.

otb

On-the-air bitmap

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

Step 1

Upload rb-file(s)

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

Step 2

Choose "to otb"

Choose otb or any other format you need as a result (more than 200 formats supported)

Step 3

Download your otb

Let the file convert and you can download your otb file right afterwards

How to convert OTB to RB