.PBM File

The pbm file extension is mainly related to a Portable bitmap graphic format from Netpbm project.

The portable bitmap format is used to store picture images in 1-bit black and white colors (monochrome). It was originally designed to make it reasonable to mail bitmaps between different types of machines and platforms.

MIME types:
image/x-portable-bitmap

Files with pbm file extension can be mostly found as pictures in Portable bitmap graphic format.

How to open:

You can view or edit these files in most modern image editors.

How to convert:

Much like any other graphics files, even *.pbm pictures can be saved to other formats, such as PNG or JPG.