Cross platform file type validator for .NET

File validator that checks by magic bytes and MIME types

Mimetics determines the file type, MIME type, and media type of a given file using magic numbers and content analysis to detect the most likely file type and then maps that to the appropriate MIME and media type.

Command-line tool to repair your file extensions

File type validator for .NET Web projects

Short python script which change the bytes that identify extrensions on files

Simple way to check a file's type by looking at bytes