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Basic information about PNM file

When there is a problem with opening files with the file extension PNM（*.PNM or *.pnm）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the PNM file yourself.

There are 1 file types using the PNM file extension in our database. In the further part of this page, you will find detail information about all the PNM file with their brief description and a list of programs that support PNM file sorted by operating systems. The table below provides useful information about the PNM file extension. It answers questions such as:

What is the PNM file?
How to open a PNM file?
What programs do I need to open a PNM file?
What programs help to create and edit a PNM file?
How to convert PNM files to another file format?
How to convert another files to PNM file format?

1.Detail information about PNM file extension: Portable Any Map Image

Software programs that will open, edit or convert PNM files
File type	Portable Any Map Image	Category	Raster Image Files
Developer	N/A	File format	Binary
Description	PNM file is a Portable Any Map Image. 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.
Windows	Newera Graphics Converter Pro ImageMagick XnViewMP GIMP The MathWorks MATLAB Wolfram Research Mathematica Adobe Photoshop CC 2017 Ability Photopaint Adobe Creative Suite FastPictureViewer Professional Nero Multimedia Suite
macOS	ImageMagick XnViewMP GIMP The MathWorks MATLAB Wolfram Research Mathematica Adobe Photoshop CC 2017 ToyViewer
Linux	ImageMagick XnViewMP GIMP Wolfram Research Mathematica

How to convert PNM files to another file format?

There are 3 records in our database eligible for PNM files to another file format conversion. If you want to achieve PNM to another files conversion, you may use the option.

PNM to JPEG

PNM to JPG

PNM to PDF

Can't open a PNM file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.PNM”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the PNM extension without any issue.

Where I can download the application that support PNM file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.

How to change file associations?

Right-click a file with the extension whose association you want to change, and then click "Open With".
In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
Select the ”Always use the selected program to open this kind of file” check box.

Can I change the extension of PNM files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.

What else may cause problems width open a PNM file?

The reasons for the lack of the ability to open a PNM file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a PNM file. If there is still something wrong, you might want to check:

Whether the PNM file is damaged.
Whether the PNM file is incorrectly linked in the registry entries.
Whether the PNM file extension has been accidentally removed from the Windows registry.
Whether the installation of an application that supports the PNM file format is incompletely.
Whether the PNM file is infected.
Whether the drivers of the equipment used for opening a PNM file are up to date.
Whether your computer has enough hardware resources to open a PNM file.

If the PNM file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.