KIFF
From Just Solve the File Format Problem
Kt Interchange File Format (KIFF) is a lossy-compressed image format developed by "KiTa laboratory". Presumably, most of the information about it is in Japanese. It appears to be technologically similar to JPEG.
Disambiguation
Not related to Knowledge Interchange Format (KIF)[1].
Identification
KIFF files begin with the ASCII signature "KIFF
".
Links
Kt Interchange File Format - Includes links to reference software.