MIME Database

mime-db is a comprehensive, machine-readable database of media types and associated metadata. It aggregates data from official sources such as IANA, Apache, and nginx, providing detailed information including common file extensions, compressibility, and default charsets for thousands of MIME types. The current stable version is 1.54.0. The package maintains a frequent release cadence, primarily driven by updates to its upstream data sources and community contributions for custom types. A key differentiator is its minimalist approach: it is distributed as a pure JSON data file with no accompanying logic or API, making it lightweight and un-opinionated. This design ensures maximum flexibility, although consumers must implement their own lookup logic. Crucially, changes to the underlying MIME type data are *not* considered breaking changes under its semver policy for the programmatic API, meaning data can change between minor or patch versions.