extension string | format string | hex_signature string | id string | offset string | source string | source_quote string | url string | verified_fields list |
|---|---|---|---|---|---|---|---|---|
PIC PIF SEA YTR | IBM Storyboard bitmap file Windows Program Information File Mac Stuffit Self-Extracting Archive IRIS OCR data file | 00 | pic-pif-sea-ytr-00 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 | ␀ | 0 | PIC PIF SEA YTR | IBM Storyboard bitmap file Windows Program Information File Mac Stuffit Self-Extracting Archive IRIS OCR data file | | https://referencesource.org/file-format-signatures/pic-pif-sea-ytr-00/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
PDB | PalmPilot Database/Document File | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | pdb-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 | 11 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ␀␀␀␀␀␀␀␀ ␀␀␀␀␀␀␀␀ ␀␀␀␀␀␀␀␀ | 11 | PDB | PalmPilot Database/Document File | | https://referencesource.org/file-format-signatures/pdb-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
jxl | Image encoded in the JPEG XL format | 00 00 00 0C 4A 58 4C 20 0D 0A 87 0A | jxl-00-00-00-0c-4a-58-4c-20-0d-0a-87-0a | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 00 00 0C 4A 58 4C 20 0D 0A 87 0A | ␀␀␀␌JXL␠␍␊‡␊ | 0 | jxl | Image encoded in the JPEG XL format [91] | | https://referencesource.org/file-format-signatures/jxl-00-00-00-0c-4a-58-4c-20-0d-0a-87-0a/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
jp2 j2k jpf jpm jpg2 j2c jpc jpx mj2 | JPEG 2000 format | 00 00 00 0C 6A 50 20 20 0D 0A 87 0A | jp2-j2k-jpf-jpm-jpg2-j2c-jpc-jpx-mj2-00-00-00-0c-6a-50-20-20-0d-0a-87-0a | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 00 00 0C 6A 50 20 20 0D 0A 87 0A | ␀␀␀␌jP␠␠␍␊‡␊ | 0 | jp2 j2k jpf jpm jpg2 j2c jpc jpx mj2 | JPEG 2000 format [18] | | https://referencesource.org/file-format-signatures/jp2-j2k-jpf-jpm-jpg2-j2c-jpc-jpx-mj2-00-00-00-0c-6a-50-20-20-0d-0a-87-0a/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
xml (UTF-32BE) | eXtensible Markup Language | 00 00 00 3C 00 00 00 3F 00 00 00 78 00 00 00 6D 00 00 00 6C 00 00 00 20 | xml-utf-32be-00-00-00-3c-00-00-00-3f-00-00-00-78-00-00-00-6d-00-00-00-6c-00-00-00-20 | 0 after BOM | https://en.wikipedia.org/wiki/List_of_file_signatures | 3C 3F 78 6D 6C 20 | <?xml␠ | 0 after BOM | xml (UTF-8 or other 8-bit encodings) | eXtensible Markup Language [29] [66] | 3C 00 3F 00 78 00 6D 00 6C 00 20 | <␀?␀x␀m␀l␀␠␀ | xml (UTF-16LE) | 00 3C 00 3F 00 78 00 6D 00 6C 00 20 | ␀<␀?␀x␀m␀l␀␠ | xml (UTF-16BE) | 3C 00 00 00 3F 00 00 00 78 00 00 00 6D 00 00 00 6C 00 00 00 20... | https://referencesource.org/file-format-signatures/xml-utf-32be-00-00-00-3c-00-00-00-3f-00-00-00-78-00-00-00-6d-00-00-00-6c-00-00-00-20/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
heif | Apple HEIF image file | 00 00 00 18 66 74 79 70 68 65 69 63 00 00 00 00 | heif-00-00-00-18-66-74-79-70-68-65-69-63-00-00-00-00 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 00 00 18 66 74 79 70 68 65 69 63 00 00 00 00 | ␀␀␀ftypheic␀␀␀␀ | 0 | heif | Apple HEIF image file [102] | | https://referencesource.org/file-format-signatures/heif-00-00-00-18-66-74-79-70-68-65-69-63-00-00-00-00/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
ico | Computer icon encoded in ICO file format | 00 00 01 00 | ico-00-00-01-00 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 00 01 00 | ␀␀␁␀ | 0 | ico | Computer icon encoded in ICO file format [8] | | https://referencesource.org/file-format-signatures/ico-00-00-01-00/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
wk3 | Lotus 1-2-3 spreadsheet (v3) file | 00 00 1A 00 00 10 04 00 00 00 00 00 | wk3-00-00-1a-00-00-10-04-00-00-00-00-00 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 00 1A 00 00 10 04 00 00 00 00 00 | ␀␀␚␀␀␊␄␀␀␀␀␀ | 0 | wk3 | Lotus 1-2-3 spreadsheet (v3) file | | https://referencesource.org/file-format-signatures/wk3-00-00-1a-00-00-10-04-00-00-00-00-00/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
wk4 wk5 | Lotus 1-2-3 spreadsheet (v4, v5) file | 00 00 1A 00 02 10 04 00 00 00 00 00 | wk4-wk5-00-00-1a-00-02-10-04-00-00-00-00-00 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 00 1A 00 02 10 04 00 00 00 00 00 | ␀␀␚␀␂␊␄␀␀␀␀␀ | 0 | wk4 wk5 | Lotus 1-2-3 spreadsheet (v4, v5) file | | https://referencesource.org/file-format-signatures/wk4-wk5-00-00-1a-00-02-10-04-00-00-00-00-00/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
123 | Lotus 1-2-3 spreadsheet (v9) file | 00 00 1A 00 05 10 04 | 123-00-00-1a-00-05-10-04 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 00 1A 00 05 10 04 | ␀␀␚␀␅␊␄ | 0 | 123 | Lotus 1-2-3 spreadsheet (v9) file | | https://referencesource.org/file-format-signatures/123-00-00-1a-00-05-10-04/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
mpg mpeg | MPEG-1 video and MPEG-2 video (MPEG-1 Part 2 and MPEG-2 Part 2) | 00 00 01 B3 | mpg-mpeg-00-00-01-b3 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 00 01 B3 | ␀␀␁³ | 0 | mpg mpeg | MPEG-1 video and MPEG-2 video (MPEG-1 Part 2 and MPEG-2 Part 2) | | https://referencesource.org/file-format-signatures/mpg-mpeg-00-00-01-b3/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
m2p vob mpg mpeg | MPEG Program Stream (MPEG-1 Part 1 (essentially identical) and MPEG-2 Part 1) | 00 00 01 BA | m2p-vob-mpg-mpeg-00-00-01-ba | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 00 01 BA | ␀␀␁º | 0 | m2p vob mpg mpeg | MPEG Program Stream (MPEG-1 Part 1 (essentially identical) and MPEG-2 Part 1) | | https://referencesource.org/file-format-signatures/m2p-vob-mpg-mpeg-00-00-01-ba/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
wk1 | Lotus 1-2-3 spreadsheet (v1) file | 00 00 02 00 06 04 06 00 08 00 00 00 00 00 | wk1-00-00-02-00-06-04-06-00-08-00-00-00-00-00 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 00 02 00 06 04 06 00 08 00 00 00 00 00 | ␀␀␂␀␆␄␆␀␈␀␀␀␀␀ | 0 | wk1 | Lotus 1-2-3 spreadsheet (v1) file | | https://referencesource.org/file-format-signatures/wk1-00-00-02-00-06-04-06-00-08-00-00-00-00-00/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
null | Amiga Hunk executable file | 00 00 03 F3 | 00-00-03-f3 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 00 03 F3 | ␀␀␃ó | 0 | | Amiga Hunk executable file | | https://referencesource.org/file-format-signatures/00-00-03-f3/ | [
"format",
"hex_signature",
"offset"
] |
qxd | Quark Express document | 00 00 49 49 58 50 52 (little-endian) 00 00 4D 4D 58 50 52 (big-endian) | qxd-00-00-49-49-58-50-52-little-endian-00-00-4d-4d-58-50-52-big-endian | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 00 49 49 58 50 52 (little-endian) 00 00 4D 4D 58 50 52 (big-endian) | ␀␀IIXPR ␀␀MMXPR | 0 | qxd | Quark Express document | | https://referencesource.org/file-format-signatures/qxd-00-00-49-49-58-50-52-little-endian-00-00-4d-4d-58-50-52-big-endian/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
txt others | UTF-32BE byte order mark for text | 00 00 FE FF | txt-others-00-00-fe-ff | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 00 FE FF | ␀␀þÿ | 0 | txt others | UTF-32BE byte order mark for text [28] [30] | | https://referencesource.org/file-format-signatures/txt-others-00-00-fe-ff/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
null | Palm Desktop Data File (Access format) | 00 01 00 00 | 00-01-00-00 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 01 00 00 | ␀␁␀␀ | 0 | | Palm Desktop Data File (Access format) | | https://referencesource.org/file-format-signatures/00-01-00-00/ | [
"format",
"hex_signature",
"offset"
] |
ttf tte dfont | TrueType font | 00 01 00 00 00 | ttf-tte-dfont-00-01-00-00-00 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 01 00 00 00 | ␀␁␀␀␀ | 0 | ttf tte dfont | TrueType font | | https://referencesource.org/file-format-signatures/ttf-tte-dfont-00-01-00-00-00/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
mny | Microsoft Money file | 00 01 00 00 4D 53 49 53 41 4D 20 44 61 74 61 62 61 73 65 | mny-00-01-00-00-4d-53-49-53-41-4d-20-44-61-74-61-62-61-73-65 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 01 00 00 4D 53 49 53 41 4D 20 44 61 74 61 62 61 73 65 | ␀␁␀␀MSISAM Database | 0 | mny | Microsoft Money file | | https://referencesource.org/file-format-signatures/mny-00-01-00-00-4d-53-49-53-41-4d-20-44-61-74-61-62-61-73-65/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
mdb | Microsoft Access Database | 00 01 00 00 53 74 61 6E 64 61 72 64 20 4A 65 74 20 44 42 | mdb-00-01-00-00-53-74-61-6e-64-61-72-64-20-4a-65-74-20-44-42 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 01 00 00 53 74 61 6E 64 61 72 64 20 4A 65 74 20 44 42 | ␀␁␀␀Standard Jet DB | 0 | mdb | Microsoft Access Database | | https://referencesource.org/file-format-signatures/mdb-00-01-00-00-53-74-61-6e-64-61-72-64-20-4a-65-74-20-44-42/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
accdb | Microsoft Access 2007 Database | 00 01 00 00 53 74 61 6E 64 61 72 64 20 41 43 45 20 44 42 | accdb-00-01-00-00-53-74-61-6e-64-61-72-64-20-41-43-45-20-44-42 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 01 00 00 53 74 61 6E 64 61 72 64 20 41 43 45 20 44 42 | ␀␁␀␀Standard ACE DB | 0 | accdb | Microsoft Access 2007 Database | | https://referencesource.org/file-format-signatures/accdb-00-01-00-00-53-74-61-6e-64-61-72-64-20-41-43-45-20-44-42/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
DBA | Palm Desktop To Do Archive | 00 01 42 44 | dba-00-01-42-44 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 01 42 44 | ␀␁BD | 0 | DBA | Palm Desktop To Do Archive | | https://referencesource.org/file-format-signatures/dba-00-01-42-44/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
TDA | Palm Desktop Calendar Archive | 00 01 44 54 | tda-00-01-44-54 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 01 44 54 | ␀␁DT | 0 | TDA | Palm Desktop Calendar Archive | | https://referencesource.org/file-format-signatures/tda-00-01-44-54/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
xml (UTF-16BE) | eXtensible Markup Language | 00 3C 00 3F 00 78 00 6D 00 6C 00 20 | xml-utf-16be-00-3c-00-3f-00-78-00-6d-00-6c-00-20 | 0 after BOM | https://en.wikipedia.org/wiki/List_of_file_signatures | 3C 3F 78 6D 6C 20 | <?xml␠ | 0 after BOM | xml (UTF-8 or other 8-bit encodings) | eXtensible Markup Language [29] [66] | 3C 00 3F 00 78 00 6D 00 6C 00 20 | <␀?␀x␀m␀l␀␠␀ | xml (UTF-16LE) | 00 3C 00 3F 00 78 00 6D 00 6C 00 20 | ␀<␀?␀x␀m␀l␀␠ | xml (UTF-16BE) | | https://referencesource.org/file-format-signatures/xml-utf-16be-00-3c-00-3f-00-78-00-6d-00-6c-00-20/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
wasm | WebAssembly binary format | 00 61 73 6D | wasm-00-61-73-6d | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 00 61 73 6D | ␀asm | 0 | wasm | WebAssembly binary format [67] | | https://referencesource.org/file-format-signatures/wasm-00-61-73-6d/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
pcapng | PCAP Next Generation Dump File Format | 0A 0D 0D 0A | pcapng-0a-0d-0d-0a | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 0A 0D 0D 0A | ␊␍␍␊ | 0 | pcapng | PCAP Next Generation Dump File Format [3] | | https://referencesource.org/file-format-signatures/pcapng-0a-0d-0d-0a/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
wallet | MultiBit Bitcoin wallet file | 0A 16 6F 72 67 2E 62 69 74 63 6F 69 6E 2E 70 72 | wallet-0a-16-6f-72-67-2e-62-69-74-63-6f-69-6e-2e-70-72 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 0A 16 6F 72 67 2E 62 69 74 63 6F 69 6E 2E 70 72 | ␊␖org.bitcoin.pr | 0 | wallet | MultiBit Bitcoin wallet file | | https://referencesource.org/file-format-signatures/wallet-0a-16-6f-72-67-2e-62-69-74-63-6f-69-6e-2e-70-72/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
doc | DeskMate Document file | 0D 44 4F 43 | doc-0d-44-4f-43 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 0D 44 4F 43 | ␍DOC | 0 | doc | DeskMate Document file | | https://referencesource.org/file-format-signatures/doc-0d-44-4f-43/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
cdb | MikroTik WinBox Connection Database (Address Book) | 0D F0 1D C0 | cdb-0d-f0-1d-c0 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 0D F0 1D C0 | ␍ð�À | 0 | cdb | MikroTik WinBox Connection Database (Address Book) | | https://referencesource.org/file-format-signatures/cdb-0d-f0-1d-c0/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
hdf4 h4 | Data stored in version 4 of the Hierarchical Data Format. | 0E 03 13 01 | hdf4-h4-0e-03-13-01 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 0E 03 13 01 | ␅␃␓␁ | 0 | hdf4 h4 | Data stored in version 4 of the Hierarchical Data Format. | | https://referencesource.org/file-format-signatures/hdf4-h4-0e-03-13-01/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
nri | Nero CD Compilation | 0E 4E 65 72 6F 49 53 4F | nri-0e-4e-65-72-6f-49-53-4f | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 0E 4E 65 72 6F 49 53 4F | ␎NeroISO | 0 | nri | Nero CD Compilation | | https://referencesource.org/file-format-signatures/nri-0e-4e-65-72-6f-49-53-4f/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
wks | DeskMate Worksheet | 0E 57 4B 53 | wks-0e-57-4b-53 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 0E 57 4B 53 | ␎WKS | 0 | wks | DeskMate Worksheet | | https://referencesource.org/file-format-signatures/wks-0e-57-4b-53/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
txt others | SCSU byte order mark for text | 0E FE FF | txt-others-0e-fe-ff | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 0E FE FF | ␎þÿ | 0 | txt others | SCSU byte order mark for text [31] [30] | | https://referencesource.org/file-format-signatures/txt-others-0e-fe-ff/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
sib | Sibelius Music - Score file | 0F 53 49 42 45 4C 49 55 53 | sib-0f-53-49-42-45-4c-49-55-53 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 0F 53 49 42 45 4C 49 55 53 | ␏SIBELIUS | 0 | sib | Sibelius Music - Score file | | https://referencesource.org/file-format-signatures/sib-0f-53-49-42-45-4c-49-55-53/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
arc | ARC archive file | 1a 08 | arc-1a-08 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 1a 08 | .. | 0 | arc | ARC archive file | | https://referencesource.org/file-format-signatures/arc-1a-08/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
mkv mka mks mk3d webm | Matroska media container, including WebM | 1A 45 DF A3 | mkv-mka-mks-mk3d-webm-1a-45-df-a3 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 1A 45 DF A3 | ␚Eߣ | 0 | mkv mka mks mk3d webm | Matroska media container, including WebM | | https://referencesource.org/file-format-signatures/mkv-mka-mks-mk3d-webm-1a-45-df-a3/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
luac | Lua bytecode | 1B 4C 75 61 | luac-1b-4c-75-61 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 1B 4C 75 61 | ␛Lua | 0 | luac | Lua bytecode [74] | | https://referencesource.org/file-format-signatures/luac-1b-4c-75-61/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
gz tar.gz | GZIP compressed file | 1F 8B | gz-tar-gz-1f-8b | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 1F 8B | ␟‹ | 0 | gz tar.gz | GZIP compressed file [61] | | https://referencesource.org/file-format-signatures/gz-tar-gz-1f-8b/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
z tar.z | compressed file (often tar zip) using Lempel-Ziv-Welch algorithm | 1F 9D | z-tar-z-1f-9d | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 1F 9D | ␟□ | 0 | z tar.z | compressed file (often tar zip) using Lempel-Ziv-Welch algorithm | | https://referencesource.org/file-format-signatures/z-tar-z-1f-9d/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
z tar.z | Compressed file (often tar zip) using LZH algorithm | 1F A0 | z-tar-z-1f-a0 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 1F A0 | ␟⍽ | 0 | z tar.z | Compressed file (often tar zip) using LZH algorithm | | https://referencesource.org/file-format-signatures/z-tar-z-1f-a0/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
drw | Micrografx vector graphic file | 01 FF 02 04 03 02 | drw-01-ff-02-04-03-02 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 01 FF 02 04 03 02 | ␁ÿ␂␄␃␂ | 0 | drw | Micrografx vector graphic file | | https://referencesource.org/file-format-signatures/drw-01-ff-02-04-03-02/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
cwk | Claris Works word processing doc | 02 00 5a 57 52 54 00 00 00 00 00 00 00 00 00 00 | cwk-02-00-5a-57-52-54-00-00-00-00-00-00-00-00-00-00 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 02 00 5a 57 52 54 00 00 00 00 00 00 00 00 00 00 | ␂␀ZWRT␀␀␀␀␀␀␀␀␀␀ | 0 | cwk | Claris Works word processing doc | | https://referencesource.org/file-format-signatures/cwk-02-00-5a-57-52-54-00-00-00-00-00-00-00-00-00-00/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
dss | Digital Speech Standard (Olympus, Grundig, & Phillips) v2 | 02 64 73 73 | dss-02-64-73-73 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 02 64 73 73 | ␂dss | 0 | dss | Digital Speech Standard (Olympus, Grundig, & Phillips) v2 | | https://referencesource.org/file-format-signatures/dss-02-64-73-73/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
ace | ACE (compressed file format) [ citation needed ] | 2A 2A 41 43 45 2A 2A | ace-2a-2a-41-43-45-2a-2a | 7 | https://en.wikipedia.org/wiki/List_of_file_signatures | 2A 2A 41 43 45 2A 2A | **ACE** | 7 | ace | ACE (compressed file format) [ citation needed ] | | https://referencesource.org/file-format-signatures/ace-2a-2a-41-43-45-2a-2a/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
null | UTF-7 byte order mark for text | 2B 2F 76 38 2B 2F 76 39 2B 2F 76 2B 2B 2F 76 2F | 2b-2f-76-38-2b-2f-76-39-2b-2f-76-2b-2b-2f-76-2f | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 2B 2F 76 38 2B 2F 76 39 2B 2F 76 2B 2B 2F 76 2F | +/v8 +/v9 +/v+ +/v/ | 0 | | UTF-7 byte order mark for text [31] [30] | | https://referencesource.org/file-format-signatures/2b-2f-76-38-2b-2f-76-39-2b-2f-76-2b-2b-2f-76-2f/ | [
"format",
"hex_signature",
"offset"
] |
null | OpenSSH private key file | 2D 2D 2D 2D 2D 42 45 47 49 4E 20 4F 50 45 4E 53 53 48 20 50 52 49 56 41 54 45 20 4B 45 59 2D 2D 2D 2D 2D | 2d-2d-2d-2d-2d-42-45-47-49-4e-20-4f-50-45-4e-53-53-48-20-50-52-49-56-41-54-45-20 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 2D 2D 2D 2D 2D 42 45 47 49 4E 20 4F 50 45 4E 53 53 48 20 50 52 49 56 41 54 45 20 4B 45 59 2D 2D 2D 2D 2D | -----BEGIN OPENSSH PRIVATE KEY----- | 0 | | OpenSSH private key file | | https://referencesource.org/file-format-signatures/2d-2d-2d-2d-2d-42-45-47-49-4e-20-4f-50-45-4e-53-53-48-20-50-52-49-56-41-54-45-20/ | [
"format",
"hex_signature",
"offset"
] |
crt pem | PEM encoded X.509 certificate | 2D 2D 2D 2D 2D 42 45 47 49 4E 20 43 45 52 54 49 46 49 43 41 54 45 2D 2D 2D 2D 2D | crt-pem-2d-2d-2d-2d-2d-42-45-47-49-4e-20-43-45-52-54-49-46-49-43-41-54-45-2d-2d-2d-2d-2d | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 2D 2D 2D 2D 2D 42 45 47 49 4E 20 43 45 52 54 49 46 49 43 41 54 45 2D 2D 2D 2D 2D | -----BEGIN CERTIFICATE----- | 0 | crt pem | PEM encoded X.509 certificate | | https://referencesource.org/file-format-signatures/crt-pem-2d-2d-2d-2d-2d-42-45-47-49-4e-20-43-45-52-54-49-46-49-43-41-54-45-2d-2d-2d-2d-2d/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
key pem | PEM encoded X.509 PKCS#8 private key | 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 | key-pem-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 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 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 | -----BEGIN PRIVATE KEY----- | 0 | key pem | PEM encoded X.509 PKCS#8 private key | | https://referencesource.org/file-format-signatures/key-pem-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/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
pub | OpenSSH public key file | 2D 2D 2D 2D 2D 42 45 47 49 4E 20 53 53 48 32 20 4B 45 59 2D 2D 2D 2D 2D | pub-2d-2d-2d-2d-2d-42-45-47-49-4e-20-53-53-48-32-20-4b-45-59-2d-2d-2d-2d-2d | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 2D 2D 2D 2D 2D 42 45 47 49 4E 20 53 53 48 32 20 4B 45 59 2D 2D 2D 2D 2D | -----BEGIN SSH2 PUBLIC KEY----- | 0 | pub | OpenSSH public key file | | https://referencesource.org/file-format-signatures/pub-2d-2d-2d-2d-2d-42-45-47-49-4e-20-53-53-48-32-20-4b-45-59-2d-2d-2d-2d-2d/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
utoc | Unreal Engine Table of Contents file | 2D 3D 3D 2D 2D 3D 3D 2D 2D 3D 3D 2D 2D 3D 3D 2D | utoc-2d-3d-3d-2d-2d-3d-3d-2d-2d-3d-3d-2d-2d-3d-3d-2d | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 2D 3D 3D 2D 2D 3D 3D 2D 2D 3D 3D 2D 2D 3D 3D 2D | -==--==--==--==- | 0 | utoc | Unreal Engine Table of Contents file | | https://referencesource.org/file-format-signatures/utoc-2d-3d-3d-2d-2d-3d-3d-2d-2d-3d-3d-2d-2d-3d-3d-2d/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
lzh | Lempel Ziv Huffman archive file Method 0 (No compression) | 2D 6C 68 30 2D | lzh-2d-6c-68-30-2d | 2 | https://en.wikipedia.org/wiki/List_of_file_signatures | 2D 6C 68 30 2D | -lh0- | 2 | lzh | Lempel Ziv Huffman archive file Method 0 (No compression) | | https://referencesource.org/file-format-signatures/lzh-2d-6c-68-30-2d/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
lzh | Lempel Ziv Huffman archive file Method 5 (8 KiB sliding window) | 2D 6C 68 35 2D | lzh-2d-6c-68-35-2d | 2 | https://en.wikipedia.org/wiki/List_of_file_signatures | 2D 6C 68 35 2D | -lh5- | 2 | lzh | Lempel Ziv Huffman archive file Method 5 (8 KiB sliding window) | | https://referencesource.org/file-format-signatures/lzh-2d-6c-68-35-2d/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
au snd | Au audio file format | 2E 73 6E 64 | au-snd-2e-73-6e-64 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 2E 73 6E 64 | .snd | 0 | au snd | Au audio file format | | https://referencesource.org/file-format-signatures/au-snd-2e-73-6e-64/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
xpm | X PixMap | 2F 2A 20 58 50 4D 20 2A 2F | xpm-2f-2a-20-58-50-4d-20-2a-2f | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 2F 2A 20 58 50 4D 20 2A 2F | /* XPM */ | 0 | xpm | X PixMap | | https://referencesource.org/file-format-signatures/xpm-2f-2a-20-58-50-4d-20-2a-2f/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
adx | Approach index file | 03 00 00 00 41 50 50 52 | adx-03-00-00-00-41-50-50-52 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 03 00 00 00 41 50 50 52 | ␃␀␀␀APPR | 0 | adx | Approach index file | | https://referencesource.org/file-format-signatures/adx-03-00-00-00-41-50-50-52/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
dss | Digital Speech Standard (Olympus, Grundig, & Phillips) v3 | 03 64 73 73 | dss-03-64-73-73 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 03 64 73 73 | ␃dss | 0 | dss | Digital Speech Standard (Olympus, Grundig, & Phillips) v3 | | https://referencesource.org/file-format-signatures/dss-03-64-73-73/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
sml | Smile file | 3A 29 0A | sml-3a-29-0a | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 3A 29 0A | :)␊ | 0 | sml | Smile file | | https://referencesource.org/file-format-signatures/sml-3a-29-0a/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
cnt | Windows 3.x - Windows 95 Help Contents | 3a 42 61 73 65 20 | cnt-3a-42-61-73-65-20 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 3a 42 61 73 65 20 | :Base | 0 | cnt | Windows 3.x - Windows 95 Help Contents | | https://referencesource.org/file-format-signatures/cnt-3a-42-61-73-65-20/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
xml (UTF-32LE) | eXtensible Markup Language | 3C 00 00 00 3F 00 00 00 78 00 00 00 6D 00 00 00 6C 00 00 00 20 00 00 00 | xml-utf-32le-3c-00-00-00-3f-00-00-00-78-00-00-00-6d-00-00-00-6c-00-00-00-20-00-00-00 | 0 after BOM | https://en.wikipedia.org/wiki/List_of_file_signatures | 3C 3F 78 6D 6C 20 | <?xml␠ | 0 after BOM | xml (UTF-8 or other 8-bit encodings) | eXtensible Markup Language [29] [66] | 3C 00 3F 00 78 00 6D 00 6C 00 20 | <␀?␀x␀m␀l␀␠␀ | xml (UTF-16LE) | 00 3C 00 3F 00 78 00 6D 00 6C 00 20 | ␀<␀?␀x␀m␀l␀␠ | xml (UTF-16BE) | 3C 00 00 00 3F 00 00 00 78 00 00 00 6D 00 00 00 6C 00 00 00 20... | https://referencesource.org/file-format-signatures/xml-utf-32le-3c-00-00-00-3f-00-00-00-78-00-00-00-6d-00-00-00-6c-00-00-00-20-00-00-00/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
xml (UTF-16LE) | eXtensible Markup Language | 3C 00 3F 00 78 00 6D 00 6C 00 20 | xml-utf-16le-3c-00-3f-00-78-00-6d-00-6c-00-20 | 0 after BOM | https://en.wikipedia.org/wiki/List_of_file_signatures | 3C 3F 78 6D 6C 20 | <?xml␠ | 0 after BOM | xml (UTF-8 or other 8-bit encodings) | eXtensible Markup Language [29] [66] | 3C 00 3F 00 78 00 6D 00 6C 00 20 | <␀?␀x␀m␀l␀␠␀ | xml (UTF-16LE) | | https://referencesource.org/file-format-signatures/xml-utf-16le-3c-00-3f-00-78-00-6d-00-6c-00-20/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
xml (UTF-8 or other 8-bit encodings) | eXtensible Markup Language | 3C 3F 78 6D 6C 20 | xml-utf-8-or-other-8-bit-encodings-3c-3f-78-6d-6c-20 | 0 after BOM | https://en.wikipedia.org/wiki/List_of_file_signatures | 3C 3F 78 6D 6C 20 | <?xml␠ | 0 after BOM | xml (UTF-8 or other 8-bit encodings) | eXtensible Markup Language [29] [66] | | https://referencesource.org/file-format-signatures/xml-utf-8-or-other-8-bit-encodings-3c-3f-78-6d-6c-20/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
rbxl | Roblox place file | 3C 72 6F 62 6C 6F 78 21 | rbxl-3c-72-6f-62-6c-6f-78-21 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 3C 72 6F 62 6C 6F 78 21 | <roblox! | 0 | rbxl | Roblox place file [73] | | https://referencesource.org/file-format-signatures/rbxl-3c-72-6f-62-6c-6f-78-21/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
hlp | Windows 3.x/95/98 Help file | 3F 5F | hlp-3f-5f | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 3F 5F | ?_ | 0 | hlp | Windows 3.x/95/98 Help file | | https://referencesource.org/file-format-signatures/hlp-3f-5f/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
lz4 | LZ4 Frame Format [62] Remark: LZ4 block format does not offer any magic bytes. | 04 22 4D 18 | lz4-04-22-4d-18 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 04 22 4D 18 | ␄"M␘ | 0 | lz4 | LZ4 Frame Format [62] Remark: LZ4 block format does not offer any magic bytes. [63] | | https://referencesource.org/file-format-signatures/lz4-04-22-4d-18/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
null | Preferred Executable Format | 4A 6F 79 21 | 4a-6f-79-21 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4A 6F 79 21 | Joy! | 0 | | Preferred Executable Format | | https://referencesource.org/file-format-signatures/4a-6f-79-21/ | [
"format",
"hex_signature",
"offset"
] |
icm | ICC profile | 4B 43 4D 53 | icm-4b-43-4d-53 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4B 43 4D 53 | KCMS | 0 | icm | ICC profile | | https://referencesource.org/file-format-signatures/icm-4b-43-4d-53/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
vmdk | VMDK files | 4B 44 4D | vmdk-4b-44-4d | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4B 44 4D | KDM | 0 | vmdk | VMDK files [46] [47] | | https://referencesource.org/file-format-signatures/vmdk-4b-44-4d/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
pak | Capcom RE Engine game data archives | 4B 50 4B 41 | pak-4b-50-4b-41 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4B 50 4B 41 | KPKA | 0 | pak | Capcom RE Engine game data archives | | https://referencesource.org/file-format-signatures/pak-4b-50-4b-41/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
??_ | Windows 3.1x Compressed File | 4B 57 41 4A | item-4b-57-41-4a | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4B 57 41 4A | KWAJ | 0 | ??_ | Windows 3.1x Compressed File | | https://referencesource.org/file-format-signatures/item-4b-57-41-4a/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
lz | lzip compressed file | 4C 5A 49 50 | lz-4c-5a-49-50 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4C 5A 49 50 | LZIP | 0 | lz | lzip compressed file [20] | | https://referencesource.org/file-format-signatures/lz-4c-5a-49-50/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
xml (EBCDIC) | eXtensible Markup Language | 4C 6F A7 94 93 40 | xml-ebcdic-4c-6f-a7-94-93-40 | 0 after BOM | https://en.wikipedia.org/wiki/List_of_file_signatures | 3C 3F 78 6D 6C 20 | <?xml␠ | 0 after BOM | xml (UTF-8 or other 8-bit encodings) | eXtensible Markup Language [29] [66] | 3C 00 3F 00 78 00 6D 00 6C 00 20 | <␀?␀x␀m␀l␀␠␀ | xml (UTF-16LE) | 00 3C 00 3F 00 78 00 6D 00 6C 00 20 | ␀<␀?␀x␀m␀l␀␠ | xml (UTF-16BE) | 3C 00 00 00 3F 00 00 00 78 00 00 00 6D 00 00 00 6C 00 00 00 20... | https://referencesource.org/file-format-signatures/xml-ebcdic-4c-6f-a7-94-93-40/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
journal | journald log file | 4C 50 4B 53 48 48 52 48 | journal-4c-50-4b-53-48-48-52-48 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4C 50 4B 53 48 48 52 48 | LPKSHHRH | 0 | journal | journald log file [99] | | https://referencesource.org/file-format-signatures/journal-4c-50-4b-53-48-48-52-48/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
evt | Windows Event Viewer file format | 4C 66 4C 65 | evt-4c-66-4c-65 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4C 66 4C 65 | LfLe | 0 | evt | Windows Event Viewer file format | | https://referencesource.org/file-format-signatures/evt-4c-66-4c-65/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
pcap | Libpcap File Format (nanosecond-resolution) | 4D 3C B2 A1 (little-endian) | pcap-4d-3c-b2-a1-little-endian | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4D 3C B2 A1 (little-endian) | M<²¡ | 0 | pcap | Libpcap File Format (nanosecond-resolution) [2] | | https://referencesource.org/file-format-signatures/pcap-4d-3c-b2-a1-little-endian/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
MLV | Magic Lantern Video file | 4D 4C 56 49 | mlv-4d-4c-56-49 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4D 4C 56 49 | MLVI | 0 | MLV | Magic Lantern Video file [59] | | https://referencesource.org/file-format-signatures/mlv-4d-4c-56-49/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
tif tiff | Tagged Image File Format (TIFF) | 4D 4D 00 2A (big-endian) | tif-tiff-4d-4d-00-2a-big-endian | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 49 49 2A 00 (little-endian) | II*␀ | 0 | tif tiff | Tagged Image File Format (TIFF) [10] | 4D 4D 00 2A (big-endian) | MM␀* | | https://referencesource.org/file-format-signatures/tif-tiff-4d-4d-00-2a-big-endian/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
tif tiff | BigTIFF | 4D 4D 00 2B (big-endian) | tif-tiff-4d-4d-00-2b-big-endian | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 49 49 2B 00 (little-endian) | II+␀ | 0 | tif tiff | BigTIFF [11] | 4D 4D 00 2B (big-endian) | MM␀+ | 0 | | https://referencesource.org/file-format-signatures/tif-tiff-4d-4d-00-2b-big-endian/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
exe dll mui sys scr cpl ocx ax iec ime rs tsp fon efi | DOS MZ executable and its descendants (including NE and PE) | 4D 5A | exe-dll-mui-sys-scr-cpl-ocx-ax-iec-ime-rs-tsp-fon-efi-4d-5a | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4D 5A | MZ | 0 | exe dll mui sys scr cpl ocx ax iec ime rs tsp fon efi | DOS MZ executable and its descendants (including NE and PE) | | https://referencesource.org/file-format-signatures/exe-dll-mui-sys-scr-cpl-ocx-ax-iec-ime-rs-tsp-fon-efi-4d-5a/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
stg | "SEAN : Session Analysis" Training file. Also used in compatible software "Rpw : Rowperfect for Windows" and "RP3W : ROWPERFECT3 for Windows". | 4D 49 4C 20 | stg-4d-49-4c-20 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4D 49 4C 20 | MIL␠ | 0 | stg | "SEAN : Session Analysis" Training file. Also used in compatible software "Rpw : Rowperfect for Windows" and "RP3W : ROWPERFECT3 for Windows". | | https://referencesource.org/file-format-signatures/stg-4d-49-4c-20/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
cab | Microsoft Cabinet file | 4D 53 43 46 | cab-4d-53-43-46 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4D 53 43 46 | MSCF | 0 | cab | Microsoft Cabinet file | | https://referencesource.org/file-format-signatures/cab-4d-53-43-46/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
hl7 | Health Level Seven (HL7) Standard for electronic data exchange | 4D 53 48 7C 42 53 48 7C | hl7-4d-53-48-7c-42-53-48-7c | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4D 53 48 7C 42 53 48 7C | MSH | BSH | | 0 | hl7 | Health Level Seven (HL7) Standard for electronic data exchange | | https://referencesource.org/file-format-signatures/hl7-4d-53-48-7c-42-53-48-7c/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
wim swm esd | Windows Imaging Format file | 4D 53 57 49 4D 00 00 00 D0 00 00 00 00 | wim-swm-esd-4d-53-57-49-4d-00-00-00-d0-00-00-00-00 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4D 53 57 49 4D 00 00 00 D0 00 00 00 00 | MSWIM␀␀␀Ð␀␀␀␀ | 0 | wim swm esd | Windows Imaging Format file | | https://referencesource.org/file-format-signatures/wim-swm-esd-4d-53-57-49-4d-00-00-00-d0-00-00-00-00/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
mid midi | MIDI sound file | 4D 54 68 64 | mid-midi-4d-54-68-64 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4D 54 68 64 | MThd | 0 | mid midi | MIDI sound file [43] | | https://referencesource.org/file-format-signatures/mid-midi-4d-54-68-64/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
nes | Nintendo Entertainment System ROM file | 4E 45 53 1A | nes-4e-45-53-1a | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4E 45 53 1A | NES␚ | 0 | nes | Nintendo Entertainment System ROM file [56] | | https://referencesource.org/file-format-signatures/nes-4e-45-53-1a/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
nui nup | nuru ASCII/ANSI image and palette files | 4E 55 52 55 49 4D 47 4E 55 52 55 50 41 4C | nui-nup-4e-55-52-55-49-4d-47-4e-55-52-55-50-41-4c | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4E 55 52 55 49 4D 47 4E 55 52 55 50 41 4C | NURUIMG NURUPAL | 0 | nui nup | nuru ASCII/ANSI image and palette files [15] | | https://referencesource.org/file-format-signatures/nui-nup-4e-55-52-55-49-4d-47-4e-55-52-55-50-41-4c/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
oar | OAR file archive format, where ?? is the format version. | 4F 41 52 ?? | oar-4f-41-52 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4F 41 52 ?? | OAR? | 0 | oar | OAR file archive format, where ?? is the format version. | | https://referencesource.org/file-format-signatures/oar-4f-41-52/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
orc | Apache ORC (Optimized Row Columnar) file format | 4F 52 43 | orc-4f-52-43 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4F 52 43 | ORC | 0 | orc | Apache ORC (Optimized Row Columnar) file format | | https://referencesource.org/file-format-signatures/orc-4f-52-43/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
otf | OpenType font | 4F 54 54 4F | otf-4f-54-54-4f | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4F 54 54 4F | OTTO | 0 | otf | OpenType font [92] | | https://referencesource.org/file-format-signatures/otf-4f-54-54-4f/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
avro | Apache Avro binary file format | 4F 62 6A 01 | avro-4f-62-6a-01 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4F 62 6A 01 | Obj␁ | 0 | avro | Apache Avro binary file format | | https://referencesource.org/file-format-signatures/avro-4f-62-6a-01/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
ogg oga ogv | Ogg, an open source media container format | 4F 67 67 53 | ogg-oga-ogv-4f-67-67-53 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 4F 67 67 53 | OggS | 0 | ogg oga ogv | Ogg, an open source media container format | | https://referencesource.org/file-format-signatures/ogg-oga-ogv-4f-67-67-53/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
cwk | AppleWorks 5 document | 05 07 00 00 42 4F 42 4F 05 07 00 00 00 00 00 00 00 00 00 00 00 01 | cwk-05-07-00-00-42-4f-42-4f-05-07-00-00-00-00-00-00-00-00-00-00-00-01 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 05 07 00 00 42 4F 42 4F 05 07 00 00 00 00 00 00 00 00 00 00 00 01 | ␅␇␀␀BOBO ␅␇␀␀␀␀␀␀ ␀␀␀␀␀␁ | 0 | cwk | AppleWorks 5 document | | https://referencesource.org/file-format-signatures/cwk-05-07-00-00-42-4f-42-4f-05-07-00-00-00-00-00-00-00-00-00-00-00-01/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
exe | DOS ZM executable and its descendants (rare) | 5A 4D | exe-5a-4d | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 5A 4D | ZM | 0 | exe | DOS ZM executable and its descendants (rare) | | https://referencesource.org/file-format-signatures/exe-5a-4d/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
zoo | Zoo (file format) | 5A 4F 4F | zoo-5a-4f-4f | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 5A 4F 4F | ZOO | 0 | zoo | Zoo (file format) | | https://referencesource.org/file-format-signatures/zoo-5a-4f-4f/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
Identifier | Microsoft Zone Identifier for URL Security Zones | 5B 5A 6F 6E 65 54 72 61 6E 73 66 65 72 5D | identifier-5b-5a-6f-6e-65-54-72-61-6e-73-66-65-72-5d | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 5B 5A 6F 6E 65 54 72 61 6E 73 66 65 72 5D | [ZoneTransfer] | 0 | Identifier | Microsoft Zone Identifier for URL Security Zones [76] [77] | | https://referencesource.org/file-format-signatures/identifier-5b-5a-6f-6e-65-54-72-61-6e-73-66-65-72-5d/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
mxf | Material Exchange Format file | 06 0E 2B 34 02 05 01 01 0D 01 02 01 01 02 | mxf-06-0e-2b-34-02-05-01-01-0d-01-02-01-01-02 | 0-65535 (run-in) | https://en.wikipedia.org/wiki/List_of_file_signatures | 06 0E 2B 34 02 05 01 01 0D 01 02 01 01 02 | ␆␎+4␂␅␁␁␍␁␂␁␁␂ | 0-65535 (run-in) | mxf | Material Exchange Format file | | https://referencesource.org/file-format-signatures/mxf-06-0e-2b-34-02-05-01-01-0d-01-02-01-01-02/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
indd | Adobe InDesign document | 06 06 ED F5 D8 1D 46 E5 BD 31 EF E7 FE 74 B7 1D | indd-06-06-ed-f5-d8-1d-46-e5-bd-31-ef-e7-fe-74-b7-1d | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 06 06 ED F5 D8 1D 46 E5 BD 31 EF E7 FE 74 B7 1D | ␆␆íõØ␝Få½1ïçþt·␝ | 0 | indd | Adobe InDesign document | | https://referencesource.org/file-format-signatures/indd-06-06-ed-f5-d8-1d-46-e5-bd-31-ef-e7-fe-74-b7-1d/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
cwk | AppleWorks 6 document | 06 07 E1 00 42 4F 42 4F 06 07 E1 00 00 00 00 00 00 00 00 00 00 01 | cwk-06-07-e1-00-42-4f-42-4f-06-07-e1-00-00-00-00-00-00-00-00-00-00-01 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 06 07 E1 00 42 4F 42 4F 06 07 E1 00 00 00 00 00 00 00 00 00 00 01 | ␆␇á␀BOBO ␆␇á␀␀␀␀␀ ␀␀␀␀␀␁ | 0 | cwk | AppleWorks 6 document | | https://referencesource.org/file-format-signatures/cwk-06-07-e1-00-42-4f-42-4f-06-07-e1-00-00-00-00-00-00-00-00-00-00-01/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
dmg | Apple Disk Image file | 6B 6F 6C 79 | dmg-6b-6f-6c-79 | end–512 | https://en.wikipedia.org/wiki/List_of_file_signatures | 6B 6F 6C 79 | koly | end–512 | dmg | Apple Disk Image file | | https://referencesource.org/file-format-signatures/dmg-6b-6f-6c-79/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
mgw | Nintendo Game & Watch image file | 6D 61 69 6E 2E 62 73 | mgw-6d-61-69-6e-2e-62-73 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 6D 61 69 6E 2E 62 73 | main.bs | 0 | mgw | Nintendo Game & Watch image file | | https://referencesource.org/file-format-signatures/mgw-6d-61-69-6e-2e-62-73/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
m | M2 Archive, used by game developer M2 | 6D 64 66 00 | m-6d-64-66-00 | 0 | https://en.wikipedia.org/wiki/List_of_file_signatures | 6D 64 66 00 | mdf␀ | 0 | m | M2 Archive, used by game developer M2 | | https://referencesource.org/file-format-signatures/m-6d-64-66-00/ | [
"extension",
"format",
"hex_signature",
"offset"
] |
End of preview. Expand in Data Studio
File format magic numbers
Canonical, always-current version: https://referencesource.org/file-format-signatures/ Machine-readable: https://referencesource.org/file-format-signatures/data.json — this mirror is a point-in-time copy.
- Last verified: 2026-09-22
- Stale after: 2027-09-22 (past this date, prefer the canonical copy — it re-verifies on a cadence this snapshot does not)
- Records: 337
The leading bytes (magic number / file signature) that identify a file format, with its usual extension. Answers 'what actually is this file' when the extension is wrong or missing. Covers what Wikipedia's List of file signatures publishes — a broad cross-section, not every format that exists.
Provenance — what every record carries
Every record carries source (the URL the value was read from) and
source_quote (a verbatim quote from that page stating it). A value you
cannot check against its page is indistinguishable from an invented one;
these can all be checked. Each record is also individually addressable on
the canonical site at its url.
Licence position
CC BY-SA 4.0 (source: Wikipedia)
Facts are not copyrightable; what this dataset takes from each source is a fact plus a short attributed quote linking back to the page that states it.
Sources
Fields
See any record in data/records.jsonl — field names are self-describing,
and the canonical page for each record renders them with labels:
https://referencesource.org/file-format-signatures/
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