Detect the file type of a file, stream, or data

Module to submit forms and file uploads to other web applications which uses just the standard mime types.

Lightning-fast file type detection using magic bytes (file signatures) with a focus on stream processing and minimal memory usage

A simple Mime type getter

JupyterLab - Interfaces for Mime Renderers

Detect Filetype by bytes

Utility to parse mime type from a file content

A ESLint plugin to lint and fix inline scripts contained in HTML files.

file downloading using client-side javascript

Returns you friendly Human readable mime types

Middleware to prevent mimetype from being sniffed

A mime-db equivalent to serve data for each entry separately over CDN. Enables small, selective download for any given query.

Detect mime type and encoding (aka Content-Type) from buffer, file content and filename.

hint tools

Utilities for working with MIME types

MIME type parsing for Bare

JupyterLab - Notebook Cell Attachments

JupyterLab - Notebook Output Area

Encode and decode quoted printable and base64 strings

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