PNM File

What are PNM files and how to open them

Are you having problems opening a PNM file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your PNM 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 two PNM openers that are compatible with this specific type of PNM file.

Programs that open Portable Any Map Image files

Last updated: April 25, 2024

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.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about PNM file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.