Convert bm to png Online: bm2png
You can use Tom's Editor to easily convert images from
VBM/VDC BitMap .BM to Portable Network Graphics .PNG.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
BM
VBM/VDC BitMap is an image format with extension BM.
PNG
Portable Network Graphics is an image format with extension PNG.