Detect MIME type from files.
NuGet package: Mime-Detective
Based on https://filetypedetective.codeplex.com/
Usage
// Both ways are writing the data to a temp file
// to get a FileInfo. GetFileType are extension methods
byte[] fileData = ...;
FileType fileType = fileData.GetFileType();
// or
Stream fileDataStream = ...;
FileType fileType = fileDataStream.GetFileType();
// If writing to a temp file is not practicable use it like this
byte[] fileData = ...;
FileType fileType = MimeTypes.GetFileType(() => fileData);