Encountering issues opening a PNM file or simply intrigued by its contents? Allow us to elucidate the nature of these files and provide you with suitable software to open or manage your PNM files.

What is a PNM file?

A PNM file, standing for Portable Any Map Image file, is a type of image file in the “Portable Any Map” format. Originating from the ingenuity of Jef Poskanzer, this format supports six variations: Portable Bit Map, Portable Gray Map, or Portable Pixel Map, with the added flexibility of being either in ASCII or binary format.

How to open PNM files

For your convenience, we’ve identified two PNM openers tailored to this specific file type.

Various apps that use files with this extension

These applications are recognized for their capability to open specific types of PNM files. Keep in mind that PNM files may serve diverse purposes in different programs, necessitating the exploration of multiple apps to successfully open your particular file.

PhotoPad Image Editor

Honeyview

Ashampoo Photo Commander

GIMP

Zoner Photo Studio