mime-type-lookupdevoffline

MIME type lookup

Convert file extensions ↔ MIME types (offline).

Inputs

Filename / extension / MIME

Output

(no output yet)

Explanation

Enter an extension (png), a filename (report.pdf), or a MIME type (application/json) to convert between them. Runs locally.

Use it when you need a fast, offline conversion/validation step during development or debugging.