.PNM File Extension

Portable Any Map Image

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What is a PNM file?

Bitmap image created in the Portable Any Map format, which was designed to handle several types of portable monochrome, grayscale, and color images; may include raster graphic data in a .PBM, .PGM, or .PPM format; may be stored using binary data or ASCII text.

More Information

PNM files store one image and do not use compression.

Programs that open PNM files

Windows
File Viewer Plus  —  Get it from Microsoft
Free+
Newera Graphics Converter Pro
ImageMagick
Free
XnViewMP
Free
GIMP
Free
Adobe Photoshop 2025
Free Trial
Mac
ImageMagick
Free
XnViewMP
Free
GIMP
Free
Adobe Photoshop 2025
Free Trial
Linux
ImageMagick
Free
XnViewMP
Free
GIMP
Free
Web
FileHelper.com
Free

Verified by FileInfo.com

The FileInfo.com team has independently researched the Portable Any Map Image file format and Mac, Windows, and Linux apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

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