PNM to RB Converter
Convert your pnm files to rb online & free
A bitmap image in the Portable Any Map format that was originally developed for processing and storing several types of monochrome and color images without compression as well as grayscale images. Bitmap graphics data in a PNM file are stored using ASCII or binary structure.
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 PNM 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