1. Click "Choose Files" button and select your PGM files you would like converted.
2. Click on the “Convert to RB” button to start the conversion.
3. When the status change to “Done” click the “Download RB” button
To convert in the opposite direction, click here to convert from RB to PGM
The portable gray map (PGM) file format stores pictures that only includes black, white, and shades of gray for colors. The limited number of options in the image reduces the amount of size that the final file needs. While not suited for tasks like taking smartphone pictures, the simple format also lends itself well as a building block for other ...
RB stands for Nuvo Media's REB 1100 E-reader as well as Gemstar's REB 1100, which utilizes this container format which typically encloses HTML documents as well as an INFO file containing metadata. Though DRM protection may be supported, most books produced at present do not use this feature. ...
Upload a PGM file, click "Convert", and use additional options to quickly modify its contents before downloading the final RB file after processing has completed.
Our PGM to RB converter works on Windows, Mac OS, Linux, iOS and Android systems alike - our servers automatically process each file without requiring you to install plug-ins or applications!
We guarantee 100%% of the privacy and have no access to your files once uploaded/converted, making them inaccessible by anyone and completely protecting them.