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HEXISO 8859-1OffsetExtensionDescription
23 21#!0Script or data to be passed to the program following the shebang (#!)1(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-1)
00 00 02 00 06 04 06 00 08 00 00 00 00 00␀␀␂␀␆␄␆␀␈␀␀␀␀␀0wk1Lotus 1-2-3 spreadsheet (v1) file
00 00 1A 00 00 10 04 00 00 00 00 00␀␀␚␀␀␊␄␀␀␀␀␀0wk3Lotus 1-2-3 spreadsheet (v3) file
00 00 1A 00 02 10 04 00 00 00 00 00␀␀␚␀␂␊␄␀␀␀␀␀0wk4
wk5
Lotus 1-2-3 spreadsheet (v4, v5) file
00 00 1A 00 05 10 04␀␀␚␀␅␊␄0123Lotus 1-2-3 spreadsheet (v9) file
00 00 03 F3␀␀␃ó0Amiga Hunk executable file
00 00 49 49 58 50 52 (little-endian)
00 00 4D 4D 58 50 52 (big-endian)
␀␀IIXPR
␀␀MMXPR
0qxdQuark Express document
50 57 53 33PWS30psafe3Password Gorilla Password Database
D4 C3 B2 A1 (little-endian)Ôò¡0pcapLibpcap File Format2(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-Libpcap_File_Format-2)
A1 B2 C3 D4 (big-endian)¡²ÃÔ
4D 3C B2 A1 (little-endian)M<²¡0pcapLibpcap File Format (nanosecond-resolution)2(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-Libpcap_File_Format-2)
A1 B2 3C 4D (big-endian)¡²<M
0A 0D 0D 0A␊␍␍␊0pcapngPCAP Next Generation Dump File Format3(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-3)
ED AB EE DBí«îÛ0rpmRedHat Package Manager (RPM) package4(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-4)
53 51 4C 69 74 65 20 66 6F 72 6D 61 74 20 33 00SQLite format 3␀0sqlitedb
sqlite
db
SQLite Database5(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-5)
53 50 30 31SP010binAmazon Kindle Update Package6(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-6)
49 57 41 44IWAD0wadinternal WAD (main resource file of Doom)7(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-IWAD-7)
000PIC
PIF
SEA
YTR
IBM Storyboard bitmap file
Windows Program Information File
Mac Stuffit Self-Extracting Archive
IRIS OCR data 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␀␀␀␀␀␀␀␀ ␀␀␀␀␀␀␀␀ ␀␀␀␀␀␀␀␀11PDBPalmPilot Database/Document File
BE BA FE CA¾ºþÊ0DBAPalm Desktop Calendar Archive
00 01 42 44␀␁BD0DBAPalm Desktop To Do Archive
00 01 44 54␀␁DT0TDAPalm Desktop Calendar Archive
54 44 46 24TDF$0TDF$Telegram Desktop File
54 44 45 46TDEF0TDEFTelegram Desktop Encrypted File
00 01 00 00␀␁␀␀0Palm Desktop Data File (Access format)
00 00 01 00␀␀␁␀0icoComputer icon encoded in ICO file format8(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-8)
69 63 6e 73icns0icnsApple Icon Image format
66 74 79 70 33 67ftyp3g43gp
3g2
3rd Generation Partnership Project 3GPP and 3GPP2 multimedia files
66 74 79 70 68 65 69 6``66 74 79 70 6dftypheic4heicHigh Efficiency Image Container (HEIC)
1F 9D␟□0z
tar.z
compressed file (often tar zip) using Lempel-Ziv-Welch algorithm
1F A0␟⍽0z
tar.z
Compressed file (often tar zip) using LZH algorithm
2D 68 6C 30 2D-lh0-2lzhLempel Ziv Huffman archive file Method 0 (No compression)
2D 68 6C 35 2D-lh5-2lzhLempel Ziv Huffman archive file Method 5 (8KiB sliding window)
42 41 43 4B 4D 49 4B 45 44 49 53 4BBACKMIKEDISK0bacAmiBack Amiga Backup data file
49 4E 44 58INDX0idxAmiBack Amiga Backup index file
62 70 6C 69 73 74bplist0plistBinary Property List file
42 5A 68BZh0bz2Compressed file using Bzip2 algorithm
47 49 46 38 37 61
47 49 46 38 39 61
GIF87a
GIF89a
0gifImage file encoded in the Graphics Interchange Format (GIF)9(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-9)
49 49 2A 00 (little-endian)II*␀0tif
tiff
Tagged Image File Format (TIFF)10(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-10)
4D 4D 00 2A (big-endian)MM␀*
49 49 2A 00 10 00 00 00 43 52II*␀␐␀␀␀CR0cr2Canon RAW Format Version 211(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-11)
Canon's RAW format is based on TIFF.12(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-12)
80 2A 5F D7€*_×0cinKodak Cineon image
52 4E 43 01
52 4E 43 02
RNC␁
RNC␂
0Compressed file using Rob Northen Compression (version 1 and 2) algorithm13(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-13)
4E 55 52 55 49 4D 47
4E 55 52 55 50 41 4C
NURUIMG
NURUPAL
0nui
nup
nuru ASCII/ANSI image and palette files14(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-14)
53 44 50 58 (big-endian format)SDPX0dpxSMPTE DPX image
58 50 44 53 (little-endian format)XPDS
76 2F 31 01v/1␁0exrOpenEXR image
42 50 47 FBBPGû0bpgBetter Portable Graphics format15(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-15)
FF D8 FF DBÿØÿÛ0jpg
jpeg
JPEG raw or in the JFIF or Exif file format16(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-:0-16)
FF D8 FF E0 00 10 4A 46 49 46 00 01ÿØÿà␀␐JFIF␀␁
FF D8 FF EEÿØÿî
FF D8 FF E1 ?? ?? 45 78 69 66 00 00ÿØÿá??Exif␀␀
FF D8 FF E0ÿØÿà0jpgJPEG raw or in the JFIF or Exif file format16(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-:0-16)
00 00 00 0C 6A 50 20 20 0D 0A 87 0A␀␀␀␌jP␠␠␍␊‡␊0jp2
j2k
jpf
jpm
jpg2
j2c
jpc
jpx
mj2
JPEG 2000 format17(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-17)
FF 4F FF 51ÿOÿQ
71 6f 69 66qoif0qoiQOI - The “Quite OK Image Format”18(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-18)
46 4F 52 4D ?? ?? ?? ?? 49 4C 42 4DFORM????ILBM0
any
ilbm
lbm
ibm
iff
IFF Interleaved Bitmap Image
46 4F 52 4D ?? ?? ?? ?? 38 53 56 58FORM????8SVX0
any
8svx
8sv
svx
snd
iff
IFF 8-Bit Sampled Voice
46 4F 52 4D ?? ?? ?? ?? 41 43 42 4DFORM????ACBM0
any
acbm
iff
Amiga Contiguous Bitmap
46 4F 52 4D ?? ?? ?? ?? 41 4E 42 4DFORM????ANBM0
any
anbm
iff
IFF Animated Bitmap
46 4F 52 4D ?? ?? ?? ?? 41 4E 49 4DFORM????ANIM0
any
anim
iff
IFF CEL Animation
46 4F 52 4D ?? ?? ?? ?? 46 41 58 58FORM????FAXX0
any
faxx
fax
iff
IFF Facsimile Image
46 4F 52 4D ?? ?? ?? ?? 46 54 58 54FORM????FTXT0
any
ftxt
iff
IFF Formatted Text
46 4F 52 4D ?? ?? ?? ?? 53 4D 55 53FORM????SMUS0
any
smus
smu
mus
iff
IFF Simple Musical Score
46 4F 52 4D ?? ?? ?? ?? 43 4D 55 53FORM????CMUS0
any
cmus
mus
iff
IFF Musical Score
46 4F 52 4D ?? ?? ?? ?? 59 55 56 4EFORM????YUVN0
any
yuvn
yuv
iff
IFF YUV Image
46 4F 52 4D ?? ?? ?? ?? 46 41 4E 54FORM????FANT0
any
iffAmiga Fantavision Movie
46 4F 52 4D ?? ?? ?? ?? 41 49 46 46FORM????AIFF0
any
aiff
aif
aifc
snd
iff
Audio Interchange File Format
4C 5A 49 50LZIP0lzlzip compressed file19(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-19)
30 37 30 37 30 370707070cpiocpio archive file20(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-Cpio_file_format-20)
4D 5AMZ0exe
dll
mui
sys
scr
cpl
ocx
ax
iec
ime
rs
tsp
fon
efi
DOS MZ executable and its descendants (including NE and PE)
5A 4DZM0exeDOS ZM executable and its descendants (rare)
50 4B 03 04
50 4B 05 06 (empty archive)
50 4B 07 08 (spanned archive)
PK␃␄
PK␅␆
PK␇␈
0zip
aar
apk
docx
epub
ipa
jar
kmz
maff
msix
odp
ods
odt
pk3
pk4
pptx
usdz
vsdx
xlsx
xpi
zip file format and formats based on it, such as EPUB, JAR, ODF, OOXML
52 61 72 21 1A 07 00Rar!␚␇␀0rarRoshal ARchive compressed archive v1.50 onwards21(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-21)
52 61 72 21 1A 07 01 00Rar!␚␇␁␀0rarRoshal ARchive compressed archive v5.00 onwards22(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-22)
7F 45 4C 46␡ELF0Executable and Linkable Format
89 50 4E 47 0D 0A 1A 0A‰PNG␍␊␚␊0pngImage encoded in the Portable Network Graphics format23(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-23)
C9É0comCP/M 3 and higher with overlays24(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-Elliott_CPM3_COM-24)
CA FE BA BEÊþº¾0classJava class file, Mach-O Fat Binary
EF BB BF0txt
others
UTF-8 byte order mark, commonly seen in text files.25(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-BOM-25)26(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-XML-26)27(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-SDL-27)
FF FEÿþ0txt
others
UTF-16LE byte order mark, commonly seen in text files.25(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-BOM-25)26(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-XML-26)27(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-SDL-27)
FE FFþÿ0txt
others
UTF-16BE byte order mark, commonly seen in text files.25(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-BOM-25)26(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-XML-26)27(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-SDL-27)
FF FE 00 00ÿþ␀␀0txt
others
UTF-32LE byte order mark for text25(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-BOM-25)27(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-SDL-27)
00 00 FE FF␀␀þÿ0txt
others
UTF-32BE byte order mark for text25(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-BOM-25)27(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-SDL-27)
2B 2F 76 38
2B 2F 76 39
2B 2F 76 2B
2B 2F 76 2F
+/v8
+/v9
+/v+
+/v/
0UTF-7 byte order mark for text28(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-BG-28)27(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-SDL-27)
0E FE FF␎þÿ0txt
others
SCSU byte order mark for text28(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-BG-28)27(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-SDL-27)
DD 73 66 73Ýsfs0UTF-EBCDIC byte order mark for text28(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-BG-28)27(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-SDL-27)
FE ED FA CEþíúÎ0
0x1000
Mach-O binary (32-bit)
FE ED FA CFþíúÏ0
0x1000
Mach-O binary (64-bit)
FE ED FE EDþíþí0JKS Javakey Store29(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-29)
CE FA ED FEÎúíþ0Mach-O binary (reverse byte ordering scheme, 32-bit)30(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-apple.com-30)
CF FA ED FEÏúíþ0Mach-O binary (reverse byte ordering scheme, 64-bit)30(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-apple.com-30)
25 21 50 53%!PS0psPostScript document
25 21 50 53 2D 41 64 6F 62 65 2D 33 2E 30 20 45 50 53 46 2D 33 2E 30%!PS-Adobe-3.0 ESPF-3.00eps
epsf
Encapsulated PostScript file version 3.031(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-Encapsulated_PostScript_(EPS)_File_Format,_Version_3.0-31)
25 21 50 53 2D 41 64 6F 62 65 2D 33 2E 31 20 45 50 53 46 2D 33 2E 30%!PS-Adobe-3.1 ESPF-3.00eps
epsf
Encapsulated PostScript file version 3.132(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-Encapsulated_PostScript_(EPS)_File_Format,_Version_3.1-32)
49 54 53 46 03 00 00 00 60 00 00 00ITSF␃␀␀␀`␀␀␀0chmMS Windows HtmlHelp Data
3F 5F?_0hlpWindows 3.x/95/98 Help file
25 50 44 46 2D%PDF-0pdfPDF document33(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-33)
30 26 B2 75 8E 66 CF 11 A6 D9 00 AA 00 62 CE 6C0&²uŽfÏ␑¦Ù␀ª␀bÎl0asf
wma
wmv
Advanced Systems Format34(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-34)
24 53 44 49 30 30 30 31$SDI00010System Deployment Image, a disk image format used by Microsoft
4F 67 67 53OggS0ogg
oga
ogv
Ogg, an open source media container format
38 42 50 538BPS0psdPhotoshop Document file, Adobe Photoshop's native file format
52 49 46 46 ?? ?? ?? ?? 57 41 56 45RIFF????WAVE0wavWaveform Audio File Format35(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-35)
52 49 46 46 ?? ?? ?? ?? 41 56 49 20RIFF????AVI␠0aviAudio Video Interleave video format36(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-36)
FF FB
FF F3
FF F2
ÿû
ÿó
ÿò
0mp3MPEG-1 Layer 3 file without an ID3 tag or with an ID3v1 tag (which is appended at the end of the file)
49 44 33ID30mp3MP3 file with an ID3v2 container
42 4DBM0bmp
dib
BMP file, a bitmap format used mostly in the Windows world
43 44 30 30 31CD0010x8001
0x8801
0x9001
isoISO9660 CD/DVD image file37(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-37)
43 44 30 30 31CD0010x5EAC9cdiCD-i CD image file
6D 61 69 6E 2E 62 73main.bs0mgwNintendo Game & Watch image file
4E 45 53NES0nesNintendo Entertainment System image file
A0 32 41 A0 A0 A02A0x165A4d64Commodore 64 1541 disk image (D64 format)
47 53 52 2D 31 35 34 31GCR-15410g64Commodore 64 1541 disk image (G64 format)
A0 33 44 A0 A03D0x61819d81Commodore 64 1581 disk image (D81 format)
43 36 34 20 74 61 70 65 20 69 6D 61 67 65 20 66 69 6C 65C64 tape image file0t64Commodore 64 tape image
43 36 34 20 43 41 52 54 52 49 44 47 45 20 20 20C64 CARTRIDGE0crtCommodore 64 cartridge image
53 49 4D 50 4C 45 20 20 3D 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 54SIMPLE␠␠ =␠␠␠␠␠␠␠ ␠␠␠␠␠␠␠␠ ␠␠␠␠␠T0fitsFlexible Image Transport System (FITS)38(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-38)
66 4C 61 43fLaC0flacFree Lossless Audio Codec39(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-39)
4D 54 68 64MThd0mid
midi
MIDI sound file40(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-40)
D0 CF 11 E0 A1 B1 1A E1ÐÏ␑ࡱ␚á0doc
xls
ppt
msi
msg
Compound File Binary Format, a container format defined by Microsoft COM. It can contain the equivalent of files and directories. It is used by Windows Installer and for documents in older versions of Microsoft Office.41(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-41) It can be used by other programs as well that rely on the COM and OLE API's.
64 65 78 0A 30 33 35 00dex␊035␀0dexDalvik Executable
4B 44 4DKDM0vmdkVMDK files42(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-42)43(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-43)
23 20 44 69 73 6B 20 44 65 73 63 72 69 70 74 6F# Disk Descripto0vmdkVMware 4 Virtual Disk description file (split disk)
43 72 32 34Cr240crxGoogle Chrome extension44(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-44) or packaged app45(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-45)
41 47 44 33AGD30fh8FreeHand 8 document46(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-46)47(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-47)
05 07 00 00 42 4F 42 4F 05 07 00 00 00 00 00 00 00 00 00 00 00 01␅␇␀␀BOBO ␅␇␀␀␀␀␀␀ ␀␀␀␀␀␁0cwkAppleWorks 5 document
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␀␀␀␀␀ ␀␀␀␀␀␁0cwkAppleWorks 6 document
45 52 02 00 00 00ER␂␀␀␀0toastRoxio Toast disc image file
8B 45 52 02 00 00 00‹ER␂␀␀␀
6B 6F 6C 79kolyend–512dmgApple Disk Image file
78 61 72 21xar!0xareXtensible ARchive format48(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-48)
50 4D 4F 43 43 4D 4F 43PMOCCMOC0datWindows Files And Settings Transfer Repository49(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-49) See also USMT 3.0 (Win XP)50(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-50) and USMT 4.0 (Win 7)51(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-51) User Guides
4E 45 53 1ANES␚0nesNintendo Entertainment System ROM file52(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-52)
75 73 74 61 72 00 30 30
75 73 74 61 72 20 20 00
ustar␀00
ustar␠␠␀
257tartar archive53(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-53)
4F 41 52 ??OAR?0oarOAR file archive format, where ?? is the format version.
74 6F 78 33tox30toxOpen source portable voxel file54(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-54)
4D 4C 56 49MLVI0MLVMagic Lantern Video file55(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-55)
44 43 4D 01 50 41 33 30
50 41 33 30
DCM␁PA30
PA30
0Windows Update Binary Delta Compression file56(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-56)
37 7A BC AF 27 1C7z¼¯'␜07z7-Zip File Format
1F 8B␟‹0gz
tar.gz
GZIP compressed file57(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-57)
FD 37 7A 58 5A 00ý7zXZ␀0xz
tar.xz
XZ compression utility
using LZMA2 compression
04 22 4D 18␄"M␘0lz4LZ4 Frame Format58(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-58)
Remark: LZ4 block format does not offer any magic bytes.59(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-59)
4D 53 43 46MSCF0cabMicrosoft Cabinet file
53 5A 44 44 88 F0 27 33SZDDˆð'30??_Microsoft compressed file in Quantum format, used prior to Windows XP. File can be decompressed using Extract.exe or Expand.exe distributed with earlier versions of Windows. After compression, the last character of the original filename extension is replaced with an underscore, e.g. ‘Setup.exe’ becomes ‘Setup.ex_’.
46 4C 49 46FLIF0flifFree Lossless Image Format
1A 45 DF A3␚Eߣ0mkv
mka
mks
mk3d
webm
Matroska media container, including WebM
4D 49 4C 20MIL␠0stg"SEAN : Session Analysis" Training file. Also used in compatible software "Rpw : Rowperfect for Windows" and "RP3W : ROWPERFECT3 for Windows".
41 54 26 54 46 4F 52 4D  ?? ?? ?? ?? 44 4A 56AT&TFORM????DJV0djvu
djv
DjVu document
The following byte is either 55 (U) for single-page or 4D (M) for multi-page documents.
30 820‚0derDER 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-----BEGIN CERTIFICATE-----0crt
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 20 52 45 51 55 45 53 54 2D 2D 2D 2D 2D-----BEGIN CERTIFICATE REQUEST-----0csr
pem
PEM encoded X.509 Certificate Signing Request
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-----0key
pem
PEM encoded X.509 PKCS#8 private key
2D 2D 2D 2D 2D 42 45 47 49 4E 20 44 53 41 20 50 52 49 56 41 54 45 20 4B 45 59 2D 2D 2D 2D 2D-----BEGIN DSA PRIVATE KEY-----0key
pem
PEM encoded X.509 PKCS#1 DSA private key
2D 2D 2D 2D 2D 42 45 47 49 4E 20 52 45 41 20 50 52 49 56 41 54 45 20 4B 45 59 2D 2D 2D 2D 2D-----BEGIN RSA PRIVATE KEY-----0key
pem
PEM encoded X.509 PKCS#1 RSA private key
50 75 54 54 59 2D 55 73 65 72 2D 4B 65 79 2D 46 69 6C 65 2D 32 3APuTTY-User-Key-File-2:0ppkPuTTY private key file version 2
50 75 54 54 59 2D 55 73 65 72 2D 4B 65 79 2D 46 69 6C 65 2D 33 3APuTTY-User-Key-File-3:0ppkPuTTY private key file version 3
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-----0OpenSSH private 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-----BEGIN SSH2 PUBLIC KEY-----0pubOpenSSH public key file
44 49 43 4DDICM128dcmDICOM Medical File Format
77 4F 46 46wOFF0woffWOFF File Format 1.060(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-60)
77 4F 46 32wOF20woff2WOFF File Format 2.061(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-61)
3C 3F 78 6D 6C 20<?xml␠0
after BOM
xmleXtensible Markup Language26(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-XML-26)62(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-62)
3C 00 3F 00 78 00 6D 00 6C 00 20<␀?␀x␀m␀l␀␠␀
00 3C 00 3F 00 78 00 6D 00 6C 00 20␀<␀?␀x␀m␀l␀␠
3C 00 00 00 3F 00 00 00 78 00 00 00 6D 00 00 00 6C 00 00 00 20 00 00 00<␀␀␀?␀␀␀ x␀␀␀m␀␀␀ l␀␀␀␠␀␀␀
00 00 00 3C 00 00 00 3F 00 00 00 78 00 00 00 6D 00 00 00 6C 00 00 00 20␀␀␀<␀␀␀? ␀␀␀x␀␀␀m ␀␀␀l␀␀␀␠
4C 6F A7 94 93 40Lo§”“@
00 61 73 6D␀asm0wasmWebAssembly binary format63(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-63)
CF 84 01Ï„␁0lepLepton compressed JPEG image64(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-64)
43 57 53CWS0swfAdobe Flash .swf
46 57 53FWS
21 3C 61 72 63 68 3E 0A!<arch>␊0deblinux deb file
52 49 46 46 ?? ?? ?? ?? 57 45 42 50RIFF????WEBP0webpGoogle WebP image file, where ?? ?? ?? ?? is the file size. More information on WebP File Header
27 05 19 56'␅␙V0U-Boot / uImage. Das U-Boot Universal Boot Loader.65(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-65)
7B 5C 72 74 66 31{\rtf10rtfRich Text Format
54 41 50 45TAPE0Microsoft Tape Format
47G0
0xBC
0x178
...
(every 188th byte)
ts
tsv
tsa
mpg
mpeg
MPEG Transport Stream (MPEG-2 Part 1)66(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-66)
00 00 01 BA␀␀␁º0m2p
vob
mpg
mpeg
MPEG Program Stream (MPEG-1 Part 1 (essentially identical) and MPEG-2 Part 1)
00 00 01 B3␀␀␁³0mpg
mpeg
MPEG-1 video and MPEG-2 video (MPEG-1 Part 2 and MPEG-2 Part 2)
66 74 79 70 69 73 6F 6Dftypisom4mp4ISO Base Media file (MPEG-4)
66 74 79 70 4D 53 4E 56ftypMSNV4mp4MPEG-4 video file
78 01x␁0zlibNo Compression (no preset dictionary)
78 5Ex^Best speed (no preset dictionary)
78 9CDefault Compression (no preset dictionary)
78 DABest Compression (no preset dictionary)
78 20x␠No Compression (with preset dictionary)
78 7Dx}Best speed (with preset dictionary)
78 BBDefault Compression (with preset dictionary)
78 F9Best Compression (with preset dictionary)
62 76 78 32bvx20lzfseLZFSE - Lempel-Ziv style data compression algorithm using Finite State Entropy coding. OSS by Apple.67(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-67)
4F 52 43ORC0orcApache ORC (Optimized Row Columnar) file format
4F 62 6A 01Obj␁0avroApache Avro binary file format
53 45 51 36SEQ60rcRCFile columnar file format
3C 72 6F 62 6C 6F 78 21<roblox!0rbxlRoblox place file 68(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-68)
65 87 78 56e‡xV0p25
obt
PhotoCap Object Templates
55 55 AA AAUUªª0pcvPhotoCap Vector
78 56 34xV40pbt
pdt
pea
peb
pet
pgt
pict
pjt
pkt
pmt
PhotoCap Template
50 41 52 31PAR10Apache Parquet columnar file format
45 4D 58 32EMX20ez2Emulator Emaxsynth samples
45 4D 55 33EMU30ez3
iso
Emulator III synth samples
1B 4C 75 61␛Lua0luacLua bytecode69(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-69)
62 6F 6F 6B 00 00 00 00 6D 61 72 6B 00 00 00 00book␀␀␀␀mark␀␀␀␀0aliasmacOS file Alias70(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-70) (Symbolic link)
5B 5A 6F 6E 65 54 72 61 6E 73 66 65 72 5D[ZoneTransfer]0IdentifierMicrosoft Zone Identifier for URL Security Zones71(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-71)72(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-72)
52 65 63 65 69 76 65 64 3AReceived:0emlEmail Message var5[citation needed]
20 02 01 62 A0 1E AB 07 02 00 00 00␠␂␁b⍽␞«␇␂␀␀␀0tdeTableau Datasource
37 48 03 02 00 00 00 00 58 35 30 39 4B 45 597H␃␂␀␀␀␀X509KEY0kdbKDB file
85 ?? ?? 03…??␃0pgpPGP file 73(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-73)
28 B5 2F FD(µ/ý0zstZstandard compress74(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-74)75(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-75)
52 53 56 4B 44 41 54 41RSVKDATA0rsQuickZip rs compressed archive76(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-76)77(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-77)
3A 29 0A:)␊0smlSmile file
4A 6F 79 21Joy!0Preferred Executable Format
31 0A 30 301␊000srtSubRip File
34 12 AA 554␒ªU0vpkVPK file, used to store game data for some Source Engine games
2A 2A 41 43 45 2A 2A**ACE**7aceACE (compressed file format)[citation needed]
60 EA0arjARJ
49 53 63 28ISc(0cabInstallShield CAB Archive File
4B 57 41 4AKWAJ0??_Windows 3.1x Compressed File
53 5A 44 44SZDD0??_Windows 9x Compressed File
5A 4F 4FZOO0zooZoo (file format)
50 31 0AP1␊0pbmPortable bitmap ASCII
50 34 0AP4␊0pbmPortable bitmap binary
50 32 0AP2␊0pgmPortable Gray Map ASCII
50 35 0AP5␊0pgmPortable Gray Map binary
50 33 0AP3␊0ppmPortable Pixmap ASCII
50 36 0AP6␊0ppmPortable Pixmap binary
D7 CD C6 9A×ÍÆš0wmfWindows Metafile
67 69 6D 70 20 78 63 66gimp xcf0xcfXCF (file format)
2F 2A 20 58 50 4D 20 2A 2F/* XPM */0xpmX PixMap
41 46 46AFF0affAdvanced Forensics Format
45 56 46 32EVF20Ex01EnCase EWF version 2 format
45 56 46EVF0e01EnCase EWF version 1 format
51 46 49QFI0qcowqcow file format
52 49 46 46 ?? ?? ?? ?? 41 43 4F 4ERIFF????ACON0aniAnimated cursor
52 49 46 46 ?? ?? ?? ?? 43 44 44 41RIFF????CDDA0cda.cda file
52 49 46 46 ?? ?? ?? ?? 51 4C 43 4DRIFF????QLCM0qcpQualcomm PureVoice file format
52 49 46 58 ?? ?? ?? ?? 46 47 44 4D (big-endian)RIFX????FGDM0dcrAdobe Shockwave78(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-78)79(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-SW-79)80(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-Exe2SW-80)
58 46 49 52 ?? ?? ?? ?? 4D 44 47 46 (little-endian)XFIR????MDGF
52 49 46 58 ?? ?? ?? ?? 4D 56 39 33 (big-endian)RIFX????MV930dir
dxr
drx
Macromedia Director file format81(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-81)79(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-SW-79)80(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-Exe2SW-80)
58 46 49 52 ?? ?? ?? ?? 33 39 56 4D (little-endian)XFIR????39VM
46 4C 56FLV0flvFlash Video file
3C 3C 3C 20 4F 72 61 63 6C 65 20 56 4D 20 56 69 72 74 75 61 6C 42 6F 78 20 44 69 73 6B 20 49 6D 61 67 65 20 3E 3E 3E<<< Orac le VM Vi rtualBox Disk Im age >>>0vdiVirtualBox Virtual Hard Disk file format
63 6F 6E 6E 65 63 74 69 78connectix0vhdWindows Virtual PC Virtual Hard Disk file format
76 68 64 78 66 69 6C 65vhdxfile0vhdxWindows Virtual PC Windows 8 Virtual Hard Disk file format
49 73 5A 21IsZ!0iszCompressed ISO image
44 41 41DAA0daaDirect Access Archive PowerISO
4C 66 4C 65LfLe0evtWindows Event Viewer file format
45 6C 66 46 69 6C 65ElfFile0evtxWindows Event Viewer XML file format
73 64 62 66sdbf8sdbWindows customized database
50 4D 43 43PMCC0grpWindows 3.x Program Manager Program Group file format
4B 43 4D 53KCMS0icmICC profile
72 65 67 66regf0dat
hiv
Windows Registry file
21 42 44 4E!BDN0pstMicrosoft Outlook Personal Storage Table file
44 52 41 43 4FDRACO0drc3D model compressed with Google Draco82(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-82)
47 52 49 42GRIB0grib
grib2
Gridded data (commonly weather observations or forecasts) in the WMO GRIB or GRIB2 format83(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-83)
42 4C 45 4E 44 45 52BLENDER0blendBlender File Format84(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-84)
00 00 00 0C 4A 58 4C 20 0D 0A 87 0A␀␀␀␌JXL␠␍␊‡␊0jxlImage encoded in the JPEG XL format85(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-85)
FF 0Aÿ␊
00 01 00 00 00␀␁␀␀␀0ttf
tte
dfont
TrueType font
4F 54 54 4FOTTO0otfOpenType font86(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-86)
23 25 4D 6F 64 75 6C 65#%Module0Modulefile for Environment Modules87(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-87)
4D 53 57 49 4D 00 00 00 D0 00 00 00 00MSWIM␀␀␀Ð␀␀␀␀0wim
swm
esd
Windows Imaging Format file
21 2D 31 53 4C 4F 42 1F!-1SLOB␟0slobSlob (sorted list of blobs) is a read-only, compressed data store with dictionary-like interface88(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-88)
AC ED’0Serialized Java Data89(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-89)
43 72 65 61 74 69 76 65 20 56 6F 69 63 65 20 46 69 6C 65 1A 1A 00Creative Voice File0vocCreative Voice file
2E 73 6E 64.snd0au
snd
Au audio file format
DB 0A CE 000OpenGL Iris Perfomer .PFB (Performer Fast Binary)90(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-90)
48 5a 4c 52 00 00 00 18HZLR0hazelrulesNoodlesoft Hazel 91(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-91)
46 4C 68 64FLhd0flpFL Studio Project File
31 30 4C 4610LF0flmFL Studio Mobile Project File
52 4b 4d 43 32 31 30RKMC2100Vormetric Encryption DPM Version 2.1 Header92(https://en.wikipedia.org/wiki/List_of_file_signatures#cite_note-92)
00 01 00 00 4D 53 49 53 41 4D 20 44 61 74 61 62 61 73 65␀␁␀␀MSISAM Database0mnyMicrosoft Money file
00 01 00 00 53 74 61 6E 64 61 72 64 20 41 43 45 20 44 42␀␁␀␀Standard ACE DB0accdbMicrosoft Access 2007 Database
00 01 00 00 53 74 61 6E 64 61 72 64 20 4A 65 74 20 44 42␀␁␀␀Standard Jet DB0mdbMicrosoft Access Database
01 FF 02 04 03 02␁ÿ␂␄␃␂0drwMicrografx vector graphic file
02 64 73 73␂dss0dssDigital Speech Standard (Olympus, Grundig, & Phillips) v2
03 64 73 73␃dss0dssDigital Speech Standard (Olympus, Grundig, & Phillips) v3
03 00 00 00 41 50 50 52␃␀␀␀APPR0adxApproach index file
06 06 ED F5 D8 1D 46 E5 BD 31 EF E7 FE 74 B7 1D␆␆íõØ␝Få½1ïçþt·␝0inddAdobe InDesign document
06 0E 2B 34 02 05 01 01 0D 01 02 01 01 02␆␎+4␂␅␁␁␍␁␂␁␁␂0-65535 (run-in)mxfMaterial Exchange Format file
07 53 4B 46␇SKF0skfSkinCrafter skin file
07 64 74 32 64 64 74 64␇dt2ddtd0dtdDesignTools 2D Design file
0A 16 6F 72 67 2E 62 69 74 63 6F 69 6E 2E 70 72␊␖org.bitcoin.pr0walletMultiBit Bitcoin wallet file
0D 44 4F 43␍DOC0docDeskMate Document file
0E 4E 65 72 6F 49 53 4F␎NeroISO0nriNero CD Compilation
0E 57 4B 53␎WKS0wksDeskMate Worksheet
0F 53 49 42 45 4C 49 55 53␏SIBELIUS0sibSibelius Music - Score file
23 20 4D 69 63 72 6F 73 6F 66 74 20 44 65 76 65 6C 6F 70 65 72 20 53 74 75 64 69 6F# Microsoft Developer Studio0dspMicrosoft Developer Studio project file
23 21 41 4D 52#!AMR0amrAdaptive Multi-Rate ACELP (Algebraic Code Excited Linear Prediction) Codec, commonly audio format with GSM cell phones.
23 21 53 49 4C 4B 0A#!SILK␊0silAudio compression format developed by Skype
23 3F 52 41 44 49 41 4E 43 45 0A#?RADIANCE␊0hdrRadiance High Dynamic Range image file
23 40 7E 5E#@~^0vbeVBScript Encoded script
0D F0 1D C0␍ð�À0cdbMikroTik WinBox Connection Database (Address Book)
23 45 58 54 4D 33 55#EXTM3U0m3u

m3u8
Multimedia playlist
6D 64 66 00mdf␀0mM2 Archive, used by game developer M2
4B 50 4B 41KPKA0pakCapcom RE Engine game data archives
41 52 43ARC0arcCapcom MT Framework game data archives
D0 4F 50 53ÐOPS0plInterleaf PrinterLeaf / WorldView document format (now Broadvision QuickSilver)
6E 2B 31 00n+1344niiSingle file NIfTI format, used extensively in biomedical imaging.
6E 69 31 00ni1344hdrHeader file of a .hdr/.img pair in NIfTI format, used extensively in biomedical imaging.
52 41 46 36 34RAF640Report Builder file from Digital Metaphors
56 49 53 33VIS30Resource file Visionaire 3.x Engine
4D 53 48 7C
42 53 48 7C
MSH|
BSH|
0hl7Health Level Seven (HL7) Standard for electronic data exchange 1(https://www.hl7.eu/HL7v2x/v25/std25/hl7.html)
70 77 72 64 61 74 61pwrdata0pwrdataSAP Power Monitor (version 1.1.0 and higher) data file
1a 08..0arcARC archive file
2d 2d 2d 2d 2d 42 45 47 49 4e 20 50 47 50 20 50 55 42 4c 49 43 20 4b 45 49 20 42 4c 4f 43 4b 2d 2d 2d 2d 2d-----BEGIN PGP PUBLIC KEY BLOCK-----0ascArmored PGP public key
3a 42 61 73 65 20:Base0cntWindows 3.x - Windows 95 Help Contents
52 49 46 46 ?? ?? ?? ?? 56 44 52 4dRIFF????VDRM0vdrVirtualDub
52 59 46 46 ?? ?? ?? ?? 54 52 49 44RIFF????TRID0trdTrID
52 49 46 46 ?? ?? ?? ?? 73 68 77 34RIFF????shw40shwCorel SHOW! 4.0
52 49 46 46 ?? ?? ?? ?? 73 68 77 35RIFF????shw50shwCorel SHOW! 5.0
52 49 46 46 ?? ?? ?? ?? 73 68 72 35RIFF????shr50shrCorel SHOW! 5.0 player
52 49 46 46 ?? ?? ?? ?? 73 68 62 35RIFF????shb50shbCorel SHOW! 5.0 background
58 46 49 52 ?? ?? ?? ?? 4d 44 47 46XFIR????MDGF0dcrMacromedia ShockWave
52 49 46 46 ?? ?? ?? ?? 52 4d 4d 50RIFF????RMMP0mmmMacroMind Multimedia Movie or Microsoft Multimedia Movie
41 53 54 4d 2d 45 35 37ASTM-E570e57ASTM E57 3D file format