MIME Type Lookup

Find a file's media type by extension, or search a MIME type to discover its common file extensions.

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Known MIME types

56 matching entries

.json

Data

JSON data

MIME type

application/json

File extension(s)

.json

HTTP Content-Type header

Servers commonly send this value in the HTTP Content-Type header to tell clients how to interpret the response body.

Content-Type: application/json

Example content

{"name":"DevToolKitHub"}

Security note: A file extension or client-provided MIME type does not prove that a file is safe. Validate uploads on the server and do not rely on this lookup as a security check.

About this MIME type reference

This is a practical reference list of common MIME types, not an exhaustive registry. Actual server behavior can vary by platform and configuration. Some extensions, such as .ts, can have different meanings depending on the file format and application.