What is .cm file?Puzzle image from X11 is a raster image. Images are uncompressed.
File extension is .cm.
Software handling .cm filesRest7 Free Online Converter
Structure of .cm imagesSorry, we haven't updated this section yet.
Is it important? Ask for update
Real world .cm samplesHere are some real world example pictures.
If you have graphics of this type, please upload them below: