PNM File Type

- The quick facts

What are PNM files and how to open them

Are you having problems opening a PNM file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a PNM file?

A .PNM file is a Portable Any Map Image file.

PNM files are image files in a format called "Portable Any Map". The format, or rather formats, was invented by Jef Poskanzer. Actually, a PNM file can contain an image in one of six different variations of Portable Bit Map, Portable Gray Map, or Portable Pixel Map. On top of that, a PNM file can be either ASCII or binary.

How to open PNM files

We have identified one PNM opener that is compatible with this specific type of PNM file.

Programs that open Portable Any Map Image files

Last updated: December 22, 2021

Suggest another file format using extension PNM

While we know of one file format using the .PNM file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .PNM file.

Various apps that use files with this extension

These apps are known to open certain types of PNM files. Remember, different programs may use PNM files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Pixillion Image ConverterPixillion Image ConverterUser submitted
PhotoPad Image EditorPhotoPad Image EditorUser submitted
HoneyviewHoneyviewUser submitted
Ashampoo Photo CommanderAshampoo Photo CommanderUser submitted
GIMPGIMPUser submitted
Zoner Photo StudioZoner Photo StudioUser submitted
Photomania DeluxePhotomania DeluxeUser submitted
PixillionPixillionUser submitted
PicosmosToolsPicosmosToolsUser submitted
Hornil StylePixHornil StylePixUser submitted