FileTypeChecker (nuget): File type checker that checks the file's magic numbers/identifying bytes.  Useful for verifying uploaded files in web applications. NuGet package of code originally written by https://github.com/mjolka and extended to allow for dependency injecting the known file types.
Keywords: FileType|Validator|Checker|MagicNumbers|Identifying|Bytes|Security|csharp|file-upload|magic-number|magic-numbers|validator