MIME Type Lookup
Search and explore MIME types / Content-Type values with file extensions and usage notes
Quick Reference
MIME Type Lookup & Reference
Look up MIME types (Content-Types) by file extension or media type. Complete reference for application/json, text/html, image/png, and more.
How It Works
Type a file extension (like .pdf, .json) or a MIME type string (like image/png). The tool instantly searches our comprehensive database and shows you the matching information, including the full MIME type, common extensions, and usage context.
Common Use Cases
- Finding the correct Content-Type header for an API response
- Looking up the MIME type for a file extension when configuring a web server
- Debugging file upload issues caused by incorrect MIME types
- Setting proper Accept headers in HTTP requests
Frequently Asked Questions
MIME (Multipurpose Internet Mail Extensions) type is a standard label used to indicate the nature and format of a file. Browsers use it to determine how to process a URL or file.
It is the standard MIME type for JSON data. It tells the client or server that the content is a JSON-formatted text document.
Incorrect MIME types can cause browsers to mishandle files—for example, rendering a JavaScript file as plain text or refusing to execute it.
MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document. It consists of a type and subtype, e.g., 'text/html' or 'application/json'.
Web servers send MIME types in the Content-Type header so browsers know how to handle the response — whether to render HTML, display an image, download a file, or parse JSON.
Use 'application/json' for JSON data. For JSONP callbacks, use 'application/javascript'. The older 'text/json' is deprecated.
Type the file extension (e.g., '.pdf', '.webp', '.svg') in the search box and the tool instantly shows the correct MIME type and any related information.