Convert jpeg to bmp Online: jpeg2bmp

You can use Tom's Editor to easily convert images from
Joint Photographic Experts Group JFIF .JPEG to Microsoft Windows bitmap .BMP.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

JPEG

The most popular image format. Does not support Alpha channel. Images are always lossy coded so when an image is saved as JPEG it always looses a bit of quality.

BMP

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