.PNM

.PNM file extension

This is the basic program to work with .PNM extension

GIMP

GIMP Netpbm format

GIMP is a free versatile graphics manipulation package. Each task requires a different environment and GIMP allows you to customize the view and behavior the way you like it.GIMP features a great fullscreen mode allowing you to not only preview your artwork but also do editing work while using the most of your screen estate... (more)

The program works with the following extensions: bmp, gif, jpg, ico, png, psd, wmf, jpeg, bw, rs, g3, tga, gih, pat, gpb, im8, pbm, xcf, pcx, xwd, tub, pgm, dcm, pix, psp, pnm, tif, ppm, als, ras, cel, rgb, fit, xbm, sgi, svg, xpm, im1, eps, gbr, im24, im32, mask, tiff, fits, icon, matte, alpha, dicom, bitmap and pspimage

.PNM extension is also supported by the following programs:

Internet Explorer

Internet Explorer Portable Anymap Image

Browse the Web in a secure environment with HTML5 support.
Visual Photo++

Visual Photo++ Visual Photo++ file

A comprehensive tool for enhancing and correcting your digital photos.
Zoner Photo Studio X

Zoner Photo Studio X PNM bitmap image

Create, manage, edit and enhance your photos through an all inclusive software.
Pagis

Pagis Pagis Image Document

UGS Teamcenter Visualization 2007

UGS Teamcenter Visualization 2007 ImageView Document (.pnm)