Convert jp2 to bmp Online: jp22bmp

You can use Tom's Editor to easily convert images from
JPEG-2000 JP2 File Format Syntax .JP2 to Microsoft Windows bitmap .BMP.
Tom's Editor is a free, online image manipulation and converter program.

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JP2

JPEG-2000 JP2 File Format Syntax is an image format with extension JP2.

BMP

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