The PGM file format contains an image produced in grayscale that has been encoded with one or two bytes of data per pixel.
The file contains a range of data, including header information and a grid of numbers.
.pgm File Extension
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What are pgm files & how to open them - Portable Graymap File Format File
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pgm file - Software that can open pgm files
Select a software from the list below if you want to open, edit, create, convert, play, use or view pgm file. The software are listed by popularity and relevance to pgm file type
ACDSee Classic 1.0
View, organize, convert, and create with all of your photos
Adobe Photoshop 2022 23.3.2
A powerful graphical editor designed to create, merge and mash images.