MIME Type Reference
Look up MIME types by file extension or find extensions by MIME type. Browse a comprehensive database of common MIME types. All processing done in your browser.
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How to Use MIME Type Reference
Search or Browse
Type an extension (.html) or MIME type in the search box, or browse categories.
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See matching MIME types with their extensions and categories.
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Click on any result to copy the MIME type or extension.
What are MIME Types?
MIME (Multipurpose Internet Mail Extensions) types are standardized identifiers that describe the nature and format of a document, file, or assortment of bytes. They are used in email systems, web servers, and web browsers to determine how content should be processed and displayed.
MIME Type Structure
Format
MIME types follow the format type/subtype (e.g., text/html)
Common Types
Application, audio, image, text, video, font, and model
Usage
Used in HTTP Content-Type headers, email, and file upload validation
Frequently Asked Questions
MIME types tell browsers and servers what kind of content they are handling. When a web server sends a file, it includes the MIME type in the Content-Type header so the browser knows how to display or process it.
This database covers the most common MIME types. For less common types, you can refer to the IANA (Internet Assigned Numbers Authority) official registry which maintains the complete list.
Some file extensions can map to multiple MIME types depending on context. For example, .js can be application/javascript or text/javascript. This tool shows the most commonly used mapping.