All File Signatures & Extensions
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JXL
image/jxl
Primary Hex
00 00 00 0C 4A 58 4C 20 0D 0A 87 0A
K-9 Mailsettings file
N/A
Primary Hex
3C 6B 39 73 65 74 74 69 6E 67 73
KAR
audio/midi
Primary Hex
4D 54 68 64
KDB
N/A
Primary Hex
37 48 03 02 00 00 00 00 58 35 30 39 4B 45 59
KEY
N/A
Primary Hex
2D 2D 2D 2D 2D 42 45 47 49 4E 20 50 52 49 56 41 54 45 20 4B 45 59 2D 2D 2D 2D 2D
KGB archive
N/A
Primary Hex
4B 47 42 5F 61 72 63 68 20 2D
Google Earth saved working session file
N/A
Primary Hex
50 4B 03 04 50 4B 05 06 50 4B 07 08
KO
N/A
Primary Hex
7F 45 4C 46
Sprint Music Store audio file
N/A
Primary Hex
49 44 33 03 00 00 00