Convert png to pzm Online: png2pzm
You can use Tom's Editor to easily convert images from
Portable Network Graphics .PNG to Atari AP3 .PZM.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
PNG
Portable Network Graphics is an image format with extension PNG.
PZM
Atari AP3 is an image format with extension PZM.