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MIME Types

MIME types - a complete reference for developers

6 min read

2026-02-22

A complete directory of MIME types: categories, file formats, Content-Type headers and server configuration.

What are MIME types?

MIME (Multipurpose Internet Mail Extensions) is a standard for determining the content type of files on the Internet. Every file transferred over HTTP is accompanied by a Content-Type header.

MIME type structure

Format: `type/subtype`, for example `text/html`, `application/json`, `image/png`.

Main categories

CategoryExamplesDescription
texttext/html, text/cssText files
imageimage/png, image/jpegImages
applicationapplication/jsonApplication Data
audioaudio/mpeg, audio/oggAudio files
videovideo/mp4, video/webmVideo files
multipartmultipart/form-dataComposite Data

Why know MIME types?

•

Correct delivery of files by the server

•

Correct parsing of API responses

•

Setting up file downloads

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Filtering file types in forms

How to use the directory

Find the MIME type by file extension, or vice versa - the extension by MIME type.

See also: HTTP status codes, JSON Formatter, Cron generator

Try MIME Types

MIME types reference by file extension

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