Convert npm to bmp Online: npm2bmp

You can use Tom's Editor to easily convert images from
Nokia Picture Message .NPM to Microsoft Windows bitmap .BMP.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

NPM

Nokia Picture Message is an image format with extension NPM.

BMP

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