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Convert PNM to PGM

Convert PNM images to PGM format, edit and optimize images online and free.

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Portable Anymap (.pnm)

The PNM (Portable Anymap) file extension, developed by Jef Poskanzer in the 1980s, stands for Portable Any Map. It is an uncompressed raster graphics format designed for portable image storage and exchange, encompassing three sub-formats: PBM (Portable Bitmap), PGM (Portable Graymap), and PPM (Portable Pixmap). PNM files store image data in plain text or binary format, ensuring easy usage across different platforms and applications. This format is widely supported by various image editing software and is valued for its simplicity and lossless compression.

PNM Converter More About PNM

Portable Graymap (.pgm)

The Portable Graymap (PGM) file extension, originating in the late 1980s as part of the Netpbm project, stands for "Portable Gray Map". It serves as a simple, versatile format for grayscale images, enabling easy reading and writing by various programs. Due to its straightforward structure and plain text encoding, it's often used in academic and research settings where ease of parsing and accessibility are crucial. PGM files store grayscale images in a compact, efficient manner, making them an essential tool for image processing tasks.

PGM Converter More About PGM

How to convert PNM to PGM?

  1. Upload PNM File

    Drag & drop any PNM file from your device or click the Choose File button to proceed.

  2. Select PNM Tools

    Choose any PNM to PGM converter tools for a customized conversion, and click Convert.

  3. Download Your PGM

    Wait a few moments for the converter to complete its job, then download your PGM file.

Convert PNM to PGM

Frequently Asked Questions

How to change PNM format to PGM?

To change PNM format to PGM, upload your PNM file to proceed to the preview page. Use any available tools if you want to edit and manipulate your PNM file. Click on the convert button and wait for the convert to complete. Download the converted PGM file afterward.

Convert Files on Desktop

macOS
Windows
Linux

Convert PNM to PGM on macOS

Follow steps below if you have installed Vertopal CLI on your macOS system.

  1. Open macOS Terminal.
  2. Either cd to PNM file location or include path to your input file.
  3. Paste and execute the command below, substituting in your PNM_INPUT_FILE name or path. $ vertopal convert PNM_INPUT_FILE --to pgm

Convert PNM to PGM on Windows

Follow steps below if you have installed Vertopal CLI on your Windows system.

  1. Open Command Prompt or Windows PowerShell.
  2. Either cd to PNM file location or include path to your input file.
  3. Paste and execute the command below, substituting in your PNM_INPUT_FILE name or path. $ vertopal convert PNM_INPUT_FILE --to pgm

Convert PNM to PGM on Linux

Follow steps below if you have installed Vertopal CLI on your Linux system.

  1. Open Linux Terminal.
  2. Either cd to PNM file location or include path to your input file.
  3. Paste and execute the command below, substituting in your PNM_INPUT_FILE name or path. $ vertopal convert PNM_INPUT_FILE --to pgm

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