Archives File Signatures

Compression and archive formats like ZIP, 7z, RAR, tar, and gzip, and how to validate them by magic number.

21 formats in this category

.7z Safe

37 7A

.ace Safe

ACE

2A 2A 41 43 45 2A 2A

.arc Safe

Internet Archive ARC (web archive)

66 69 6C 65 64 65 73 63 3A 2F 2F

.arj Safe

Compressed archive file

60 EA

.bz Safe

42 5A 30

.bz2 Safe

bzip2compressed archive

42 5A 68

.cab Safe

Microsoft cabinet file

4D 53 43 46

.cpio Safe

CPIO

30 37 30 37 30 37

.gz Safe

GZIP archive file

1F 8B

.lha Safe

Compressed archive file

2D 6C 68

.lz Safe

4C 5A 49 50

.lzh Safe

Compressed archive file

2D 6C 68 30 2D

.pax Safe

PAX password protected bitmap

50 41 58

.rar Safe

Rar4

52 61 72 21 1A 07 00

.sit Safe

StuffIt compressed archive

53 74 75 66 66 49 74

.tar Safe

Tape Archive file

75 73 74 61 72 00

.tgz Safe

GZIP archive file

1F 8B

.xz Safe

XZ archive file

FD 37 7A 58 5A 00

.z Safe

1F 9D

.zip Safe

PKSFX self-extracting executable compressed file

50 4B 03 04

.zst Safe

ZST

28 B5 2F FD