Convert mbm to bmp Online: mbm2bmp

You can use Tom's Editor to easily convert images from
Psion Series 5 Bitmap .MBM to Microsoft Windows bitmap .BMP.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

MBM

Psion Series 5 Bitmap is an image format with extension MBM.

BMP

Format created by Microsoft for their Windows and OS/2 operating systems. Images can be compressed or not.