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Portable greyscale image
File type: Bitmap image file
An rpgm file extension is related to the portable greyscale image format.
File type category:
Bitmap image file
Date updated: June 23, 2025
Record marked as obsolete and not updated for a long time.
The rpgm file extension is used for portable greyscale image format. BMPlus files are created by Jef Poskanzer's PBMPlus Portable bitmap utilities.
The portable graymap format is a lowest common denominator grayscale file format.
Use XnView to open *.rpgm files.
Possibly can be exported to other formats.
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