Jharkhand, Ramgarh Cantt police arrest suicide case victim lover, Pendrive as evidence
File Signature
File signatures, also known as magic numbers, play a critical role in file identification and analysis. These unique sequences of bytes are located at the beginning of a file and are typically represented as hexadecimal values. By using file signatures, programs can determine the format and structure of a file, which is essential for proper handling. Having a solid understanding of file signatures can be helpful in various scenarios, such as data recovery efforts, malware analysis, and general file management. With this knowledge, you can work more efficiently and effectively with your digital files.Hex Signature | File Extension | ASCII Signature File Description |
---|---|---|
47 49 46 38 37 61 | .gif | GIF87a image file |
47 49 46 38 39 61 | .gif | GIF89a image file |
FF D8 FF E1 xx xx 45 78 69 66 00 | .jpg, .jpeg | Exif image file |
FF D8 FF E2 xx xx | .jpg, .jpeg | Canon RAW (CR2) image file |
89 50 4E 47 0D 0A 1A 0A | .png | Portable Network Graphics (PNG) image file |
49 49 2A 00 | .tif, .tiff | Tagged Image File Format (TIFF) image file |
42 4D | .bmp | Bitmap (BMP) image file |
25 50 44 46 | Portable Document Format (PDF) file | |
25 21 50 53 2D 41 64 6F 62 65 | .ps | PostScript (PS) file |
7B 5C 72 74 66 31 | .rtf | Rich Text Format (RTF) file |
46 4C 56 01 | .flv | Flash video file |
46 4F 52 4D 00 | .aif, .aiff | Audio Interchange File Format (AIFF) file |
49 44 33 | .mp3 | MPEG-1/2 Audio Layer 3 (MP3) file |
4D 54 68 64 | .mid, .midi | MIDI sound file |
52 49 46 46 xx xx xx xx 57 41 56 45 66 6D 74 20 | .wav | Waveform Audio File Format (WAV) file |
52 49 46 46 xx xx xx xx 41 56 49 20 | .avi | Audio Video Interleave (AVI) video file |
30 26 B2 75 8E 66 CF 11 A6 D9 00 AA 00 62 CE 6C | .wmv | Windows Media Video (WMV) file |
1A 45 DF A3 | .mkv | Matroska video file |
25 52 41 52 0A 25 50 44 46 | .rar | RAR archive file |
50 4B 03 04 | .zip | ZIP archive file |
50 4B 4C 49 54 45 | .zip | PKLITE compressed ZIP archive file |
7F 45 4C 46 | .elf | Executable and Linkable Format (ELF) file |
4D 5A | .exe, .dll | Windows Executable/DLL file |
43 57 53 | .swf | Shockwave Flash (SWF) file |
46 4C 56 01 | .flv | Flash video file |
3C 3F 78 6D 6C 20 | .xml | XML file |
5F 27 A8 89 | .db | SQLite database file |
7B 5C 72 74 66 31 | .rtf | Rich Text Format (RTF) file |
3C 3F 78 6D 6C 20 | .xml | XML file |
21 3C 61 72 63 68 3E | .deb | Debian package file |
1F 8B 08 | .gz | Gzip compressed file |
37 7A BC AF 27 1C | .7z | 7-Zip compressed file |
FD 37 7A 58 5A 00 | .xz | XZ compressed file |
78 01 | .zlib, .deflate | zlib compressed file |
04 22 4D 18 | .lz4 | LZ4 compressed file |
53 51 4C 69 74 65 20 66 6F 72 6D 61 74 20 33 2E | .sqlite3 | SQLite3 database file |
37 E4 53 96 C9 DB D6 3C | .sqlite | SQLite database file |
21 3C 61 72 63 68 3E | .rpm | RPM package file |
4D 5A | .exe, .dll | Windows Executable/DLL file |
4D 5A | .scr | Windows screen saver file |
4D 5A | .cpl | Windows Control Panel item file |
4D 5A | .ocx | Windows ActiveX control file |
4D 5A | .sys | Windows system driver file |
00 01 00 00 00 | .ttf, .otf | TrueType/OpenType font file |
3C 3F 78 6D 6C 20 | .svg | Scalable Vector Graphics (SVG) file |
47 49 42 38 34 61 | .gbr | GIMP brush file |
42 50 47 FB | .bpg | Better Portable Graphics (BPG) image file |
25 21 50 6F 73 74 53 63 72 69 70 74 20 45 50 53 | .eps | Encapsulated PostScript (EPS) file |
37 7A BC AF 27 1C | .7z | 7-Zip compressed file |
30 31 4F 52 44 4E 41 4E 44 | .ord, .orf | Olympus RAW (ORF) image file |
4D 4D 00 2A | .tiff, .tif | BigTIFF image file |
4D 4D 00 2B | .tiff, .tif | BigTIFF image file |
4D 4D 00 2A | .dng | Digital Negative (DNG) image file |
46 4F 52 4D 00 | .aif, .aiff | Audio Interchange File Format (AIFF) file |
52 49 46 46 xx xx xx xx 57 41 56 45 | .wav | Waveform Audio File Format (WAV) file |
49 44 33 | .mp3 | MPEG-1 Audio Layer 3 (MP3) file |
FF F1 | .mpg, .mpeg | MPEG-1 video file |
89 50 4E 47 0D 0A 1A 0A | .png | Portable Network Graphics (PNG) file |
FF D8 FF E0 xx xx 4A 46 49 46 00 | .jpg, .jpeg | JPEG/JFIF image file |
42 4D | .bmp | Bitmap (BMP) image file |
49 49 2A 00 | .tif, .tiff | Tagged Image File Format (TIFF) file |
52 49 46 46 xx xx xx xx 57 41 56 45 | .avi | Audio Video Interleave (AVI) video file |
52 49 46 46 xx xx xx xx 41 56 49 20 | .avi | Audio Video Interleave (AVI) video file |
46 4C 56 01 | .flv | Flash video file |
00 01 BA 21 | .mpg, .mpeg | MPEG-2 video file |
30 26 B2 75 8E 66 CF 11 A6 D9 00 AA 00 62 CE 6C | .asf, .wmv | Advanced Systems Format (ASF)/Windows Media Video (WMV) file |
4D 5A 50 00 02 00 00 00 04 00 0F 00 FF | Adobe Portable Document Format (PDF) file | |
52 61 72 21 1A 07 00 | .rar | RAR compressed archive file |
1F 8B 08 | .gz | Gzip compressed file |
1F 9D | .tar.Z | Compressed Tarball (compressed using compress) |
1F A0 | .tar.Z | Compressed Tarball (compressed using compress) |
1F A3 | .tar.Z | Compressed Tarball (compressed using compress) |
1F B5 | .tar.Z | Compressed Tarball (compressed using compress) |
1F 8B 08 | .tar.gz, .tgz | Gzip compressed Tar archive file |
1F 9D 90 | .tar.Z | Compressed Tarball (compressed using gzip) |
1F A0 xx | .tar.Z | Compressed Tarball (compressed using compress) |
1F A3 xx | .tar.Z | Compressed Tarball (compressed using compress) |
1F B5 xx | .tar.Z | Compressed Tarball (compressed using compress) |
50 4B 03 04 | .zip | Zip archive file |
50 4B 05 06 | .zip | Zip archive file |
50 4B 07 08 | .zip | Zip archive file |
7B 5C 72 74 66 31 | .rtf | Rich Text Format (RTF) file |
64 65 78 0A 30 33 | .dex | Dalvik Executable (DEX) file |
4D 5A | .exe, .dll | Windows/DOS executable file |
47 4E 55 50 | .gnu | GNU Info Reader file |
FD FF FF | .jar | Java Archive (JAR) file |
CA FE BA BE | .class | Java bytecode class file |
AC ED 00 05 73 72 00 | .ser | Java Serialized Object file |
52 61 64 69 75 73 20 53 65 65 64 66 69 6C 65 | .dat | WinNT Registry / Windows 2000 Registry Hive |
00 01 42 44 | .vmdk | Virtual Machine Disk (VMDK) file |
23 20 64 65 62 69 61 6E 2D 62 61 73 68 | .deb | Debian software package file |
5F 27 A8 89 | .rpm | RPM package file |
3C 3F 78 6D 6C 20 | .xml | Extensible Markup Language (XML) file |
3C 21 44 4F 43 54 59 50 45 | .docx, .xlsx, .pptx | Office Open XML (OOXML) file |
50 4B 03 04 14 00 06 00 08 00 | .docx, .xlsx, .pptx | Office Open XML (OOXML) file |
D0 CF 11 E0 A1 B1 1A E1 | .doc, .xls, .ppt | Microsoft Office file |
00 01 00 00 00 | .ico | Icon file |
1F 8B 08 00 | .tar | Tar archive file |
4C 01 | .lnk | Windows Shortcut file |
4D 56 | .mbox | Email mailbox file |
1B 4C 75 61 | .lua | Lua programming language source code file |
4D 5A 90 00 03 00 00 00 04 00 00 00 FF | .ocx, .dll | Windows system file |
47 49 46 38 37 61 | .gif | Graphics Interchange Format (GIF) image file |
FF D8 FF E0 00 10 4A 46 49 46 | .jpg, .jpeg | JPEG/JFIF image file |
89 50 4E 47 0D 0A 1A 0A | .png | Portable Network Graphics (PNG) image file |
49 49 2A 00 | .tif, .tiff | Tagged Image File Format (TIFF) image file |
42 4D | .bmp | Bitmap (BMP) image file |
25 21 50 53 2D | .ps | PostScript (PS) file |
47 42 52 20 | .cbr | Comic Book Archive (CBA, CBZ, CBR, CB7, CBT) file |
50 4B 03 04 0A 00 00 00 00 00 9D 5B | .jar | JAR archive file |
50 4B 03 04 0A 00 00 00 00 00 20 AF | .jar | JAR archive file |
50 4B 03 04 14 00 02 00 08 00 | .odt, .ods, .odp | OpenDocument Format (ODF) file |
50 4B 03 04 0A 00 00 00 00 00 3C 3A | .odt, .ods, .odp | OpenDocument Format (ODF) file |
50 4B 03 04 14 00 06 00 08 00 | .docx, .xlsx, .pptx | Office Open XML (OOXML) file |
FF FE | .txt | Unicode text file |
EF BB BF | .txt | UTF-8 encoded text file |