MIME Type Lookup
Look up common MIME types from filenames or file extensions.
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Look up MIME types from filenames and extensions
MIME Type Lookup finds common content-type values from filenames or extensions for HTTP responses, upload validation, email attachments, and API documentation. It covers common image, document, archive, and text formats.
Useful For
- Check allowed upload content types
- Write HTTP Content-Type headers
- Review API docs and server configuration
Good To Know
An extension alone does not prove the actual file content. For security-sensitive uploads, combine MIME checks with file signatures and server-side validation.
File Handling Notes
File tasks are browser-first when practical. Large files, encrypted documents, and formats that need server conversion can be limited by browser memory and server support.
Private File Handling
Jabdogu processes supported file tasks in the browser first and uploads only when server conversion is required. This note was reviewed on Jun 28, 2026.
MIME type lookup checks
Input
- Enter the full filename or extension accurately
- For files without extensions, also check content and server configuration
Use
- Separate HTTP Content-Type, upload validation, and email attachment rules
- Compare commonly confused types such as images, PDF, and CSV
Before deploy
- Check the actual server response header
- Do not trust extension alone for executable or risky files
They are used in web server Content-Type headers, upload validation, email attachments, and API responses to describe file formats.
A file extension is only a hint. Security-sensitive uploads should also inspect file content and validate on the server.
Yes. It is tuned for quick lookup of common extensions and Content-Type values such as PNG, JPEG, WebP, PDF, CSV, and JSON.