Common File Headers
# File Type Header (in HEX) Header (in ASCII) Recommended App
1 7-Zip 37 7A BC AF 27 1C 7z¼¯'␜ 7-Zip
2 Matroska(mkv) 1A 45 DF A3 ␚Eߣ VLC Player
3 Zip File 50 4B 03 04 PK␃␄ 7-Zip
4 PNG 89 50 4E 47 0D 0A 1A 0A .PNG.... IrfanView
5 BMP 42 4D BM IrfanView
6 GIF 47 49 46 38 37 61 GIF87a IrfanView
7 DOS Executable 4D 5A MZ N/A
8 Rar Archive 52 61 72 21 1A 07 01 00 Rar!.... Winrar
9 JPEG FF D8 FF EE
    OR
FF D8 FF E0 00 10 4A 46
    OR
FF D8 FF DB		 ÿØÿî
OR
ÿØÿà␀␐JFIF␀␁
OR
ÿØÿÛ		 IrfanView
10 Sqlite 53 51 4C 69 74 65 20 66
6F 72 6D 61 74 20 33 00		 SQLite format 3␀ DBBrowser
11 HEIC 66 74 79 70 68 65 69 63 ftypheic IrfanView (with Plugin)
12 Plist 62 70 6C 69 73 74 bplist Notepad++
13 TIFF 49 49 2A 00 (little-endian) II*␀ IrfanView
14 TIFF 4D 4D 00 2A (big-endian) MM␀ IrfanView
15 PDF 25 50 44 46 2D %PDF- Adobe Acrobat Reader
16 Photoshop Document 38 42 50 53 8BPS N/A
17 mp3 49 44 33 ID3 Vlc Media Player
18 MIDI 4D 54 68 64 MThd Vlc Player
19 Davlik Executeable 64 65 78 0A 30 33 35 00 dex␊035␀ N/A
20 vmdk 4B 44 4D KDM Virtual Box
21 Google Chrome Extension 43 72 32 34 Cr24 Chrome
21 Apple Disk Image 6B 6F 6C 79 koly Apple OS
22 GZip 1F 8B ␟‹ GZip
23 MPEG-4 video file 66 74 79 70 4D 53 4E 56 ftypMSNV Vlc Player
24 Adobe Flash 46 4C 56 01 FLV. Browser
25 Win Virtual HDD 63 6F 6E 6E 65 63 74 69 78 connectix N/A
26 Compressed ISO 49 73 5A 21 IsZ! N/A
27 Windows Event Log 45 6C 66 46 69 6C 65 ElfFile Windows Event Viewer
28 Windows Registry 72 65 67 66 regf N/A
29 Quicktime Movie 00 00 00 20 66 74 79 70
4D 34 41 20 00 00 00 00		 ...ftypM4A.... Vlc Player