The file formats most commonly found in PNM files are: 45% of all PNM files use the same file format, which have the signature P6. Files with the PNM extension are found in 3 operating systems which i...
The file formats most commonly found in PNM files are: 45% of all PNM files use the same file format, which have the signature P6. Files with the PNM extension are found in 3 operating systems which include Linux, Mac OS, Windows. The data in the PNM files are saved in the manner characteristic for Raster Image Files. PNM files store one image and do not use compression. The PNM file is supported on 3 operating systems. Depending on your operating system, you may need different software to handle the PNM files. Files with the pnm file extension can be typically found as graphics formats in any of the portable anymap bitmap graphic format. How to open: Use any graphic viewer/editor to open and edit *.pnm file. The format of .PNM file is Binary. .PNM is Portable Any Map Image. PNM extension has been classified as Raster Image Files.
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GIMP
Netpbm
Adobe Photoshop