This is a package for detecting MIME types and extensions based on magic numbers. Features include

• fast and precise MIME type and file extension detection

• long list of supported MIME types

• common file formats are prioritized

• small and simple API

• handles MIME type aliases

• thread safe

• low memory usage, besides the file header

This package provides a Golang module that uses magic number signatures to detect the MIME type of a file.

Main features:

• Fast and precise MIME type and file extension detection.

• Supports many MIME types.

• Allows to extend with other file formats.

• Common file formats are prioritized.

• Differentiation between text and binary files.

• Safe for concurrent usage.

Golang library for media type and file extension detection, based on magic numbers.

Package mimetype uses magic number signatures to detect the MIME type of a file.