How to open a .ppm file
Quick, free ways to open Netpbm (PPM/PGM/PBM) on any system.
A .ppm file is a Portable Pixmap Image. If double-clicking does nothing, your computer simply does not have an app that reads Netpbm (PPM/PGM/PBM) yet. Here is how to fix that on each operating system, using free software wherever possible.
Open a .ppm file step by step
- Confirm the file really is a .ppm. Drop it into the WhatFileType file identifier, which reads its signature without uploading anything.
- On Windows, open it with GIMP or IrfanView.
- On Mac, use GIMP or Preview.
- On Linux, try GIMP or ImageMagick.
- Still stuck? Convert the .ppm to png, which opens more widely.
Best apps to open .ppm files
Windows
- GIMP
- IrfanView
- XnView MP
macOS
- GIMP
- Preview
- XnView MP
Linux
- GIMP
- ImageMagick
- feh
!
Before you open it: Safe. Netpbm images are plain uncompressed raster data read by image software.
Frequently asked questions
Why can't I open my .ppm file?
Almost always because no installed app understands Netpbm (PPM/PGM/PBM). Install one of the apps above, or convert the file to a format your existing software already reads.
What is the difference between PPM, PGM and PBM?
They are the same Netpbm family at different colour depths: PPM is full colour, PGM is grayscale and PBM is black and white. PNM is the umbrella term for all three.
How do I open a PPM file?
GIMP, IrfanView and most image tools open it. To convert, use ImageMagick: convert image.ppm image.png.