Create PNTG Files

PNTG was the standard graphic format used for saving and storing images created with the MacPaint application

The PNTG image format was developed by Apple, it uses the PackBits compression method and it's capable of storing 720 by 576 pixel bitmap images.

In order to create their own PNTG image files, users will need to choose a specialized graphic app that comes with support for this specific image format.