Convert bmp to sps Online: bmp2sps
You can use Tom's Editor to easily convert images from
Microsoft Windows bitmap .BMP to Spectrum 512 (smooshed) .SPS.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Format created by Microsoft for their Windows and OS/2 operating systems. Images can be compressed or not.
Spectrum 512 (smooshed) is an image format with extension SPS.