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PNM File - What is a .pnm file and how do I open it?

Learn about .PNM files and view a list of programs that open them.

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Overview

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.

Popularity2.6/5

12 votes

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VerifiedVerified 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. If you would like to suggest any additions or updates to this page, please let us know .

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Popularity2.6 | 12 Votes

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In-Depth

.PNM File Extension

Portable Any Map Image

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Popularity
2.6  |  12 Votes
 

NEW: Open your .PNM file online with File Helper . View Online

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

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Pricing

Program Name

Platform

Reset

X

Windows

File Viewer Plus

—

Get it from Microsoft

Free +

Newera Graphics Converter Pro

Paid

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

Category: Raster Image Files

Updated: August 25, 2016

FAQ

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.

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