Convert bm to bmp Online: bm2bmp
You can use Tom's Editor to easily convert images from
VBM/VDC BitMap .BM to Microsoft Windows bitmap .BMP.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
VBM/VDC BitMap is an image format with extension BM.
Format created by Microsoft for their Windows and OS/2 operating systems. Images can be compressed or not.