jinhr9801 / filename-extension-signature

Find out the file type by file data or name. Get extension from filename. Confirm filename extension by file signature. Check file format.

File Type | Signature | Magic Number

Find out the file type by file data or name

This library implements:

1. Get filename extension from file path

2. Confirm filename extension by file signature

   Now support:

   .PDF .ZIP .RAR .ISO

   .JPEG .JPG .PNG .WEBP .GIF .TIFF .BMP .ICO .J2K .JP2 .EPS .PSD .PSB

   .M4A .M4B .M4P .M4V .MOV

   .MP4 .MP3 .MP2

   .WAV .AVI .AIFF .MID .FLAC .APE .RM .RMVB

   .EXE

   .TXT .HTML

   .DOC .DOCX .PPT .PPTX .XML .XMLX

   .SVG .DIB .TGA

   .WMA .WMV .ASF

Reference: https://www.filesignatures.net/ http://www.ftyps.com/ http://www.nationalarchives.gov.uk/PRONOM/Format/proFormatSearch.aspx?status=new