jshttp/mime-types

Health v2 · maintenance only

Adoption not part of the score

1473 stars · 151 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A Node.js JavaScript utility library that looks up MIME content-types from file extensions or paths and constructs full Content-Type headers with charset parameters. Its MIME data comes from the mime-db package, and it offers a no-fallback API compatible with mime 1.x.

Use cases

• get the mime type for a file extension in node
• build a content-type header for an http response
• look up the media type of a filename like file.html
• determine the content type of an uploaded file
• map file extensions to mime types in javascript
• add a default charset to a content-type string

When to choose

• You need fast, reliable MIME type lookup or Content-Type header construction in a Node.js application
• You want no-fallback behavior that returns false for unknown types so you can apply your own default like application/octet-stream
• You want a simple require-and-call API compatible with mime 1.x

When to avoid

• You need to define custom MIME types at runtime, since .define() functionality is intentionally absent
• You want automatic fallback to a default type instead of false for unrecognized inputs
• You need a browser-only solution without a bundler, as this is a Node.js registry module

Facets

library · maturity stable

developer-tools http-server web-development backend developer-tools mime mime-types content-type http mime-db file-extensions nodejs

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