the custom more powerful mime-type utility can work with mime-db.

A comprehensive library for mime-type mapping

Get the mime type of a stream

Get the file extension and MIME type from a file

A simple Mime type getter

A tiny (2.8kB) and fast utility for getting a MIME type from an extension or filename

Simple extension to mime-type

MIME type parsing for Bare

Create a full Content-Type header given a MIME type or extension and cache the result

parse a data uri into mime type and buffer

A comprehensive library for mime-type mapping (with browserify support)

Get the mime-type of a readable stream, non-destructive

Utility to parse mime type from a file content

A mime type catalog driven by filename extensions.

mime type/ext functions

mime type lookup for browser video and audio

650+ file extension to MIME type mappings, based on mime-db

A fork of mime-type by jshttp. This has additional functionality to list all extensions for a mime type

Detect the MIME type of a Buffer, Uint8Array, ArrayBuffer, ReadableStream, file path and file name, with async method.

A comprehensive library for mime-type mapping without a filesystem dependency