JPH (JPEG 2000 part 15)

Unknown

image · also known as JPEG HTJ2K, High-Throughput JPEG 2000

Defined in ISO/IEC 15444-15:2019, JPH/HTJ2K is an extension to JPEG 2000 intended as a royalty-free format for high-throughput, lossless image encoding.

Identify it

Extensions	`.jph`
MIME types	`image/jph`
Signatures	`0000000c6a5020200d0a870a` at byte 0 (JPEG2000 – JPH/HTJ2K)
PRONOM	`fmt/1964`
Wikidata	`Q123369914`
Library of Congress	`fdd000566`

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Sources

PRONOM fmt/1964
Wikidata Q123369914

From PRONOM, Wikidata. Updated 2026-10-20.

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