Convert jpt to bmp Online: jpt2bmp

You can use Tom's Editor to easily convert images from
JPEG-2000 Code Stream Syntax .JPT to Microsoft Windows bitmap .BMP.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

JPT

JPEG-2000 Code Stream Syntax is an image format with extension JPT.

BMP

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