List of compression algorithms

General Info

This article lists all known compression algorithms and shows how to recognize them.

// TODO - this article is not finished yet

JCALG1

Signature (ASCII): JC
Signature (HEX): 0x4A 0x43
List of games using this compression: JCALG1 category on the Wiki
Programs supporting it: jcalg1, quickbms
Open source implementations: jeremycollake/jcalg1, jcalg1 (Python package)

LZMA

Signature (ASCII): ]
Signature (HEX): 0x5D
List of games using this compression: LZMA category on the Wiki
Programs supporting it: quickbms, 7-zip
Open source implementations: LZMA SDK

REFPACK

Signature (ASCII): ..
Signature (HEX): 0x10 0xFB
List of games using this compression: Refpack category on the Wiki
Programs supporting it: quickbms
Open source implementations: Gibbed.RefPack

ZLIB

Signature (ASCII): x
Signature (HEX): 0x78
List of games using this compression: ZLIB category on the Wiki
Programs supporting it: offzip, quickbms
Open source implementations: madler/zlib

See Also

• Identifying Compression Algorithms
• How to recognize the compression algorithms with your eyes