List of file signatures

|- | DBA | [ |- | | Palm Desktop Data File (Access format) | 0

...

00 01 00 00

|- |ico |Computer icon encoded in ICO file format^[1] |0

....

00 00 01 00

|- |3gp
3g2 |3rd Generation Partnership Project 3GPP and 3GPP2 multimedia files |4

ftyp 3g

66 74 79 70 33 67

|- | z
tar.z |compressed file (often tar zip)
using Lempel-Ziv-Welch algorithm | 0

..

1F 9D

|- | z
tar.z |Compressed file (often tar zip)
using LZH algorithm | 0

..

1F A0

|- | bac | File or tape containing a backup done with AmiBack on an Amiga. It typically is paired with an index file (idx) with the table of contents. | 0

BACKMIKE
DISK

42 41 43 4B 4D 49 4B 45
44 49 53 4B

|- | bz2 | Compressed file using Bzip2 algorithm | 0

BZh

42 5A 68

|- |gif |Image file encoded in the Graphics Interchange Format (GIF)^[2] |0

GIF87a

GIF89a

47 49 46 38 37 61

47 49 46 38 39 61

|- | tif
tiff | Tagged Image File Format | 0

II*.

MM.*

49 49 2A 00

(little endian format)

4D 4D 00 2A

(big endian format)

|- | cr2 | Canon RAW Format Version 2^[3]
Canon's RAW format is based on the TIFF file format ^[4] | 0

II*.....
CR

49 49 2A 00 10 00 00 00
43 52

|- | cin | Kodak Cineon image | 0

.*_.

80 2A 5F D7

|- | |Compressed file using Rob Northen Compression (version 1 and 2) algorithm |0

RNC.

52 4E 43 01

52 4E 43 02

|- | dpx | SMPTE DPX image | 0

SDPX

XPDS

53 44 50 58

(big endian format)

58 50 44 53

(little endian format)

|- | exr | OpenEXR image | 0

v/1.

76 2F 31 01

|- | bpg | Better Portable Graphics format^[5] | 0

BPGû

42 50 47 FB

|- | jpg
jpeg | JPEG raw or in the JFIF or Exif file format | 0

ÿØÿÛ

ÿØÿà ..J
F IF..

ÿØÿá ..E
x if..

FF D8 FF DB

FF D8 FF E0 nn nn 4A 46
49 46 00 01

FF D8 FF E1 nn nn 45 78
69 66 00 00

|- | ilbm
lbm
ibm
iff | IFF Interleaved Bitmap Image | 0 any

FORM....
ILBM

46 4F 52 4D nn nn nn nn
49 4C 42 4D

|- | 8svx
8sv
svx
snd
iff | IFF 8-Bit Sampled Voice | 0 any

FORM....
8SVX

46 4F 52 4D nn nn nn nn
38 53 56 58

|- | acbm
iff | Amiga Contiguous Bitmap | 0 any

FORM....
ACBM

46 4F 52 4D nn nn nn nn
41 43 42 4D

|- | anbm
iff | IFF Animated Bitmap | 0 any

FORM....
ANBM

46 4F 52 4D nn nn nn nn
41 4E 42 4D

|- | anim
iff | IFF CEL Animation | 0 any

FORM....
ANIM

46 4F 52 4D nn nn nn nn 
41 4E 49 4D

|- | faxx
fax
iff | IFF Facsimile Image | 0 any

FORM....
FAXX

46 4F 52 4D nn nn nn nn
46 41 58 58

|- | ftxt
txt
iff | IFF Formatted Text | 0 any

FORM....
FTXT

46 4F 52 4D nn nn nn nn
46 54 58 54

|- | smus
smu
mus
iff | IFF Simple Musical Score | 0 any

FORM....
SMUS

46 4F 52 4D nn nn nn nn
53 4D 55 53

|- | cmus
mus
iff | IFF Musical Score | 0 any

FORM....
CMUS

46 4F 52 4D nn nn nn nn
43 4D 55 53

|- | yuvn
yuv
iff | IFF YUV Image | 0 any

FORM....
YUVN

46 4F 52 4D nn nn nn nn
59 55 56 4E

|- | iff | Amiga Fantavision Movie | 0 any

FORM....
FANT

46 4F 52 4D nn nn nn nn
46 41 4E 54

|- | aiff
aif
aifc
snd
iff | Audio Interchange File Format | 0 any

FORM....
AIFF

46 4F 52 4D nn nn nn nn
41 49 46 46

|- | idx | Index file to a file or tape containing a backup done with AmiBack on an Amiga. | 0

INDX

49 4E 44 58

|- | lz | lzip compressed file | 0

LZIP

4C 5A 49 50

|- | exe | DOS MZ executable file format and its descendants (including NE and PE) | 0

MZ

4D 5A

|- | zip
jar
odt
ods
odp
docx
xlsx
pptx
vsdx
apk
| zip file format and formats based on it, such as JAR, ODF, OOXML | 0

PK..

50 4B 03 04

50 4B 05 06

(empty archive)

50 4B 07 08

(spanned archive)

|- | rar | RAR archive version 1.50 onwards^[6] | 0

Rar!...

52 61 72 21 1A 07 00

|- | rar | RAR archive version 5.0 onwards^[7] | 0

Rar!....

52 61 72 21 1A 07 01 00

|- | | Executable and Linkable Format |0

.ELF

7F 45 4C 46

|- | png | Image encoded in the Portable Network Graphics format^[8] | 0

.PNG....

89 50 4E 47 0D 0A 1A 0A

|- | class | Java class file, Mach-O Fat Binary | 0

Êþº¾

CA FE BA BE

|- | | UTF-8 encoded Unicode byte order mark, commonly seen in text files. | 0

ï»¿

EF BB BF

|- | | Mach-O binary (32-bit) | 0 0x1000

........

FE ED FA CE

|- | | Mach-O binary (64-bit) | 0 0x1000

........

FE ED FA CF

|- | | Mach-O binary (reverse byte ordering scheme, 32-bit)^[9] | 0

........

CE FA ED FE

|- | | Mach-O binary (reverse byte ordering scheme, 64-bit)^[9] | 0

........

CF FA ED FE

|- | | Byte-order mark for text file encoded in little-endian 16-bit Unicode Transfer Format | 0

..

FF FE

|- | | Byte-order mark for text file encoded in little-endian 32-bit Unicode Transfer Format | 0

....

FF FE 00 00

|- | ps | PostScript document | 0

%!PS

25 21 50 53

|- | pdf | PDF document | 0

%PDF

25 50 44 46

|- | asf
wma
wmv | Advanced Systems Format^[10] | 0

0&²u.fÏ
.¦Ù.ª.bÎl

30 26 B2 75 8E 66 CF 11
A6 D9 00 AA 00 62 CE 6C

|- | | System Deployment Image, a disk image format used by Microsoft | 0

$SDI0001

24 53 44 49 30 30 30 31

|- | ogg
oga
ogv | Ogg, an open source media container format | 0

OggS

4F 67 67 53

|- | psd | Photoshop Document file, Adobe Photoshop's native file format | 0

8BPS

38 42 50 53

|- | wav | Waveform Audio File Format | 0

RIFF....
WAVE

52 49 46 46 nn nn nn nn
57 41 56 45

|- | avi | Audio Video Interleave video format | 0

RIFF....
AVI.

52 49 46 46 nn nn nn nn 
41 56 49 20

|- | mp3 | MPEG-1 Layer 3 file without an ID3 tag or with an ID3v1 tag (which's appended at the end of the file) | 0

ÿû

FF FB

|- | mp3 | MP3 file with an ID3v2 container | 0

ID3

49 44 33

|- | bmp
dib | BMP file, a bitmap format used mostly in the Windows world | 0

BM

42 4D

|- | iso | ISO9660 CD/DVD image file^[11] | 0x8001
0x8801
0x9001

CD001

43 44 30 30 31

|- | fits | Flexible Image Transport System (FITS)^[12] | 0

SIMPLE  
=       
        
     T

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 54

|- | flac | Free Lossless Audio Codec^[13] | 0

fLaC

66 4C 61 43

|- | mid
midi | MIDI sound file^[14] | 0

MThd

4D 54 68 64

|- | doc
xls
ppt
msg
and other | Compound File Binary Format, a container format used for document by older versions of Microsoft Office.^[15] It is however an open format used by other programs as well. | |

D0 CF 11 E0 A1 B1 1A E1

|- | dex | Dalvik Executable | 0

dex.035.

64 65 78 0A 30 33 35 00

|- | vmdk | VMDK files ^[16]^[17] | 0

KDM

4B 44 4D

|- | crx | Google Chrome extension^[18] or packaged app^[19] | 0

Cr24

43 72 32 34

|- | fh8 | FreeHand 8 document^[20]^[21]^[22] | 0

AGD3

41 47 44 33

|- | cwk | AppleWorks 5 document | 0

....BOBO
........
....

05 07 00 00 42 4F 42 4F
05 07 00 00 00 00 00 00
00 00 00 00 00 01

|- | cwk | AppleWorks 6 document | 0

....BOBO
........
....

06 07 E1 00 42 4F 42 4F
06 07 E1 00 00 00 00 00
00 00 00 00 00 01

|- | toast | Roxio Toast disc image file, also some .dmg-files begin with same bytes | 0

ER....

ãER....

45 52 02 00 00 00

8B 45 52 02 00 00 00

|- | dmg | Apple Disk Image file | 0

x.s.bb`

78 01 73 0D 62 62 60

|- | xar | eXtensible ARchive format^[23] | 0

xar!

78 61 72 21

|- | dat | Windows Files And Settings Transfer Repository^[24] See also USMT 3.0 (Win XP)^[25] and USMT 4.0 (Win 7)^[26] User Guides | 0

PMOCCMOC

50 4D 4F 43 43 4D 4F 43

|- | nes | Nintendo Entertainment System ROM file ^[27] | 0

NES

4E 45 53 1A

|- | tar | tar archive^[28] | 0x101

ustar.00

ustar  .

75 73 74 61 72 00 30 30

75 73 74 61 72 20 20 00

|- | tox | Open source portable voxel file ^[29] | 0

TOX

74 6F 78 33

|- | MLV | Magic Lantern Video file^[30] | 0

MLVI

4D 4C 56 49

|- | |Windows Update Binary Delta Compression^[31] |0

DCM PA30

44 43 4D 01 50 41 33 30

|- | 7z | 7-Zip File Format | 0

7z¼¯'

37 7A BC AF 27 1C

|- | gz
tar.gz | GZIP | 0

..

1F 8B

|- | lz4 | LZ4 Streaming Format^[32]
Remark: LZ4 compressed data (file) format does not offer any magic bytes.^[33] | 0

."M.

04 22 4D 18

|- | cab | Microsoft Cabinet file | 0

MSCF

4D 53 43 46

|- | flif | Free Lossless Image Format | 0

FLIF

46 4C 49 46

|- | mkv
mka
mks
mk3d
webm | Matroska media container, including WebM | 0

.Eß£

1A 45 DF A3

|- | stg | "SEAN : Session Analysis" Training file. Also used in compatible software "Rpw : Rowperfect for Windows" and "RP3W : ROWPERFECT3 for Windows". | 0

MIL

4D 49 4C 20

|- | djvu
djv | DjVu document
The following byte is either 55 (U) for single-page or 4D (M) for multi-page documents. | 0

AT&TFORM....DJV

41 54 26 54 46 4F 52 4D nn nn nn nn 44 4A 56

|- |der |DER encoded X.509 certificate |0

0.

30 82

|- |dcm |DICOM Medical File Format |0x80 (128)

DICM

44 49 43 4D

|- |woff |WOFF File Format 1.0 |0

wOFF

77 4F 46 46

|- |woff2 |WOFF File Format 2.0 |0

wOF2

77 4F 46 32

|- |XML (ASCII) |eXtensible Markup Language when using the ASCII character encoding |0 |

<?xml

3c 3f 78 6d 6c 20

|- |wasm |WebAssembly binary format^[34] |0 |

\0asm

6d 73 61 00

|- |lep |lepton compressed jpeg image

Lepton is a tool and file format for losslessly compressing JPEGs by an average of 22%.

Dropbox page about: https://blogs.dropbox.com/tech/2016/07/lepton-image-compression-saving-22-losslessly-from-images-at-15mbs/ |0 | |cf 84 01 |}

References

↑ Icons (at MSDN)
↑ GRAPHICS INTERCHANGE FORMAT(sm) Version 89a
↑ Computer Knowledge. "File Extension .CR2 Details". filext.com.
↑ "Inside the Canon RAW format version 2, understanding .CR2 file format and files produced by Canon EOS Digital Camera". free.fr.
↑ Bellard, Fabrice (2015). "BPG Image format".
↑ "TechNote.txt: RAR version 4.00 - Technical information". 2010-12-01. The marker block is actually considered as a fixed byte sequence: 0x52 0x61 0x72 0x21 0x1a 0x07 0x00 Missing or empty |url= (help)
↑ "RAR 5.0 archive format". Retrieved 2013-05-01.
↑ "RFC 2083 - PNG (Portable Network Graphics) Specification Version 1.0". ietf.org.
1 2 "Mac Developer Library". apple.com.
↑ "ASF (Advanced Systems Format)".
↑ Gary C. Kessler (21 October 2012). "File Signatures Table". Retrieved 28 December 2012.
↑ "Flexible Image Transport System (FITS), Version 3.0 - File type signifiers". 2012-09-26. Retrieved 24 January 2013.
↑ Josh Coalson. "FLAC — format". Retrieved 4 April 2013. "fLaC", the FLAC stream marker in ASCII, meaning byte 0 of the stream is 0x66, followed by 0x4C 0x61 0x43
↑ "File Signature Database: mid File Signatures". filesignatures.net.
↑ "Developing a tool to recognise MS Office file types ( .doc, .xls, .mdb, .ppt )". social.msdn.microsoft.com.
↑ "What Files Make Up a Virtual Machine?". vmware.com.
↑ http://www.vmware.com/app/vmdk/?src=vmdk
↑ "CRX Package Format". chrome.com.
↑ "CRX Package Format". chrome.com.
↑ "[Pythonmac-SIG] Discovering file type". python.org.
↑ Tim Fisher. "FH8 File - What It Is & How To Open One". About.com Tech.
↑ "Google Groups". google.com.
↑ "xar - xarformat.wiki". code.google.com.
↑ "Easily Restore Your Computer With File and Settings Transfer Wizard XP (Part 1)". howtogeek.com.
↑ "User State Migration Tool 3.0". microsoft.com. Microsoft.
↑ "User State Migration Tool 4.0 User's Guide". microsoft.com. Microsoft.
↑ "NESRomTool::NES ROM Quickstart". sadistech.com.
↑ "GNU tar 1.28: Basic Tar Format". gnu.org.
↑ "UVOX Universal Voxel Translator - Man Page". tox.land.
↑ "RAW Format v2.0 - Google Sheets". google.com.
↑ "Using Binary Delta Compression (BDC) Technology to Update Windows Operating Systems". Microsoft. 10 June 2005. Retrieved 15 March 2015.
↑ "LZ4 Streaming format". gw.com.
↑ Yann Collet. "RealTime Data Compression". fastcompression.blogspot.de.
↑ "WebAssembly/design". GitHub. Retrieved 2016-11-01.

External links

This article is issued from Wikipedia - version of the 12/4/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.