Convert hbm to png Online: hbm2png

You can use Tom's Editor to easily convert images from
Hires-Bitmap .HBM to Portable Network Graphics .PNG.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

HBM

Hires-Bitmap is an image format with extension HBM.

PNG

Portable Network Graphics is an image format with extension PNG.