MIME Type Search

Search file extensions and IANA media MIME types with built-in static registry mapping.

How It Works & Processing Standards

Search file extensions and IANA media MIME types with built-in static registry mapping.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 100,000 characters

MIME Type Search is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use MIME Type Search

  1. 1
    Enter Extension or TypeType a file extension (.webp, .json) or MIME type (image/png).
  2. 2
    View MappingInspect associated extensions, media classifications, and RFC details.

Common Use Cases

  • Configuring web server Content-Type headers, setting up S3 bucket metadata, and file upload validation
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