A pure JS library for extracting image/video attributes such as width, height, size, and mime type

The custom more powerful mime-type utility.

Convert a mime type to a file extension. It works only with popular mime types and its super lightweight.

Check all the available MIME types of an extension

Convert a file extension to a mime type. It works only with popular file extensions and it's super lightweight.

Secure file validation library with signature checking and content validation

A simple MIME type recognition library that works in both browser and Node.JS apps

Collect IANA media types for you

MIME type constants for JavaScript developers

Mapping of the most common MIME types on the Web by extension. Currently 75 extensions.

Simple REST API to searching MIME types.

A helper for quickly determining the file type of a buffer

a basic file extension detector from mime-type

sniff a file's mime type from raw bytes

NPM package, for validating the file MIME type.