.PPM File

File extension ppm is used for Portable Pixmap Format, a lowest common denominator color image file format.

PPM 24-bit color image that is formatted in text format. Each pixel is assigned a number from 0 to 65536 that defines the color of the pixel. Other information included in a PPM file includes the image height and width, whitespace data, and the maximum color value.

Because the PPM format is uncompressed and is inefficient compared to other image formats, it is seldom used for saving large image files.

MIME types: 
image/x-portable-pixmap
application/ppm, application/x-ppm
image/x-p
image/x-ppm

Files with ppm extension can mainly be found as graphics files in special Portable Pixmap Format. One of the most basic color image formats.

How to open:

Use graphic viewer or editor (XnView, Adobe Photoshop) to work wth the *.ppm files.

How to convert:

Many graphics editors support PPM format and can be used to resave it or convert to different formats.