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MIME Types - Markdown

MIME types (Multipurpose Internet Mail Extensions) are two-part identifiers for identifying file types and content formats. Originally defined in RFC 2045 in 1996 for specifying email attachment formats, they are now used in a wide range of contexts including HTTP communications, HTML documents, and operating systems. IANA maintains the official registry, with over 1000 MIME types registered across 11 top-level categories such as application, audio, image, text, and video.

internet file format IANA RFC web standards HTTP 
| code | slug | name | description | category |
| --- | --- | --- | --- | --- |
| application/json | application-json | JSON | MIME type representing data in JavaScript Object Notation format. | Application |
| application/xml | application-xml | XML | MIME type representing data in Extensible Markup Language format. | Application |
| application/pdf | application-pdf | PDF | MIME type representing documents in Portable Document Format. | Application |
| application/zip | application-zip | ZIP Archive | MIME type representing archive files compressed in ZIP format. | Application |
| application/gzip | application-gzip | GZIP Archive | MIME type representing files compressed in GZIP format. | Application |
| application/octet-stream | application-octet-stream | Binary Data | Generic MIME type representing arbitrary binary data. | Application |
| application/javascript | application-javascript | JavaScript | MIME type representing JavaScript code. | Application |
| application/ld+json | application-ld-json | JSON-LD | MIME type representing data in JSON-LD (Linked Data) format. | Application |
| application/x-www-form-urlencoded | application-x-www-form-urlencoded | URL Encoded Form Data | MIME type representing URL-encoded data submitted from HTML forms. | Application |
| application/vnd.ms-excel | application-vnd-ms-excel | Microsoft Excel (Legacy) | MIME type representing Microsoft Excel legacy format (.xls). | Application |
| application/vnd.openxmlformats-officedocument.spreadsheetml.sheet | application-vnd-openxmlformats-spreadsheetml-sheet | Microsoft Excel (Modern) | MIME type representing Microsoft Excel modern format (.xlsx). | Application |
| application/vnd.openxmlformats-officedocument.wordprocessingml.document | application-vnd-openxmlformats-wordprocessingml-document | Microsoft Word (Modern) | MIME type representing Microsoft Word modern format (.docx). | Application |
| audio/mpeg | audio-mpeg | MP3 Audio | MIME type representing audio in MPEG Audio Layer III (MP3) format. | Audio |
| audio/ogg | audio-ogg | Ogg Audio | MIME type representing audio in Ogg Vorbis format. | Audio |
| audio/wav | audio-wav | WAV Audio | MIME type representing audio in Waveform Audio File Format. | Audio |
| audio/webm | audio-webm | WebM Audio | MIME type representing audio in WebM format. | Audio |
| font/woff | font-woff | WOFF Font | MIME type representing fonts in Web Open Font Format. | Font |
| font/woff2 | font-woff2 | WOFF2 Font | MIME type representing fonts in Web Open Font Format 2.0. | Font |
| image/jpeg | image-jpeg | JPEG Image | MIME type representing images in JPEG format. | Image |
| image/png | image-png | PNG Image | MIME type representing images in Portable Network Graphics format. | Image |
| image/gif | image-gif | GIF Image | MIME type representing images in Graphics Interchange Format. | Image |
| image/webp | image-webp | WebP Image | MIME type representing images in WebP format. | Image |
| image/svg+xml | image-svg-xml | SVG Image | MIME type representing images in Scalable Vector Graphics format. | Image |
| image/avif | image-avif | AVIF Image | MIME type representing images in AV1 Image File Format. | Image |
| multipart/form-data | multipart-form-data | Multipart Form Data | MIME type representing HTML form data including file uploads. | Multipart |
| text/plain | text-plain | Plain Text | MIME type representing unformatted plain text. | Text |
| text/html | text-html | HTML Document | MIME type representing documents in HyperText Markup Language format. | Text |
| text/css | text-css | CSS Stylesheet | MIME type representing stylesheets in Cascading Style Sheets format. | Text |
| text/csv | text-csv | CSV Data | MIME type representing data in Comma-Separated Values format. | Text |
| text/markdown | text-markdown | Markdown Document | MIME type representing text in Markdown format. | Text |
| video/mp4 | video-mp4 | MP4 Video | MIME type representing video in MPEG-4 Part 14 format. | Video |
| video/webm | video-webm | WebM Video | MIME type representing video in WebM format. | Video |
| video/ogg | video-ogg | Ogg Video | MIME type representing video in Ogg Theora format. | Video |