Constants for (almost) all MIME types and method to determine MIME type from a file name. Contains just over 1000 mime types. The Dictionary is generated from the jshttp/mime-db db.json file. Works similar to .NET's System.Web.MimeMapping.GetMimeMapping. It aggregates data from the following sources: https://www.iana.org/assignments/media-types/media-types.xhtml https://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types https://hg.nginx.org/nginx/raw-file/default/conf/mime.types See: https://github.com/jshttp/mime-db#mime-db https://learn.microsoft.com/dotnet/api/system.web.mimemapping.getmimemapping