MIME Type Lookup API

Find the MIME type and Content-Type header for a file extension or filename, the extensions for a MIME type, or search the table. Optionally detect a file's real type from its first bytes (magic numbers).

POST /api/v1/tools/mime-type-lookupMCP mime_type_lookupWeb & SEO

Find the MIME type for any file extension or the extensions for a MIME type, with charset and compression notes. Detect a file's real type from its bytes.

Input

Send these as a JSON object. Unknown fields are rejected.

query: An extension ("webp", ".PNG"), a filename ("report.pdf"), a MIME type ("application/json") or words to search. Empty is allowed when only fileBase64 is given. (string, up to 500 characters, default "")
fileBase64: Optional: the first bytes of a file (up to 4 KB), Base64-encoded, to detect its real type from magic numbers. When query is a filename, the result also says whether the extension matches the content. (string, up to 8192 characters)

Try it in the browser JSON Schema Get an API key

curl https://pithlab.com/api/v1/tools/mime-type-lookup \n  -H "Authorization: Bearer $PITHLAB_KEY" \n  -H "Content-Type: application/json" \n  -d '{"query":"photo.webp"}'

Example response

{
  "ok": true,
  "result": {
    "kind": "extension",
    "exact": [
      {
        "extension": "webp",
        "mime": "image/webp",
        "contentType": "image/webp",
        "text": false,
        "compressible": false
      }
    ],
    "matches": [],
    "truncated": false
  }
}