Convert PNG to PGM

Tested on Windows 11, 24 October 2026

Convert PNG images to PGM on your Windows PC. Filoshi converts with ImageMagick and lets you resize, crop or remove location and camera data first. Convert one file or hundreds at once; nothing is uploaded.

Get Filoshi · $29One-time purchase, for Windows 10 and 11.

PNG to PGM with the Filoshi app

This conversion uses ImageMagick, which is built into the app. It runs on your Windows PC, offline, and the file never leaves it.

  1. Drop your PNG files on the Filoshi window, or paste them with Ctrl+V.
  2. Pick PGM for one file or for all of them.
  3. Press Convert all. Each PGM file appears next to its original, which is never changed.
Get Filoshi · $29

For Windows 10 and 11 · no subscription

Source format

What is PNG?

Portable Network Graphics (.png). PNG is a lossless image format with full transparency. It keeps text, lines and flat colours perfectly sharp, which makes it the usual choice for screenshots, logos and graphics; photos as PNG are much larger than as JPEG.

Common use: Screenshots, logos, interface graphics, images with transparency

Output format

What is PGM?

Portable Graymap (.pgm). PGM is the greyscale member of the Netpbm family: simple and uncompressed, easy for programs to read and write. It shows up in computer vision, scientific imaging and command-line image tools.

Common use: Computer vision and scientific images

Questions about PNG to PGM

Is converting PNG to PGM free?
PNG to PGM needs the Filoshi desktop app for Windows, a one-time purchase of $29. There is no subscription and no per-file fee.
Does converting PNG to PGM lose quality?
No. Both PNG and PGM store images without loss, so the converted file holds exactly the same pixels; it may be larger, because PGM is uncompressed.
Is my PNG file uploaded anywhere?
No. Filoshi converts on your PC with its built-in engines (FFmpeg, ImageMagick, Pandoc, PDFium, pdfcpu and 7-Zip). Your PNG file never leaves your computer.
Has PNG to PGM been tested?
Yes. PNG to PGM is one of the 1,841 conversions that passed Filoshi's automated test matrix on Windows 11.
Can I convert many PNG files at once?
Yes, in the desktop app. Drop as many PNG files as you like on the window, pick PGM once for all of them, and each file shows its own progress. The new files appear next to the originals, which are never changed.

Related conversions

Other PNG conversions

PNG to JPGPNG to JPEGPNG to WEBPPNG to AVIFPNG to GIFPNG to BMPPNG to TIFFPNG to TIF

Convert to PGM

JPG to PGMJPEG to PGMWEBP to PGMAVIF to PGMJXL to PGMGIF to PGMBMP to PGMTIFF to PGM