Convert png to grf Online: png2grf
You can use Tom's Editor to easily convert images from
Portable Network Graphics .PNG to GRF, MAX, P41, PIX .GRF.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Portable Network Graphics is an image format with extension PNG.
GRF, MAX, P41, PIX is an image format with extension GRF.