Convert bmp to hrz Online: bmp2hrz
You can use Tom's Editor to easily convert images from
Microsoft Windows bitmap .BMP to Slow Scan Television
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.
Slow Scan television is an image transmission method sed mainly by amateur radio operators.