📄MIME Type Lookup
Look up MIME types for any file extension.
🆓 Free🔒 Secure⚡ Instant📱 Mobile-friendly🚫 No signup
Look up MIME content types by file extension online for free. Covers all common formats.
Common Types
How to Use MIME Type Lookup — Step by Step
- 1Type a file extension (e.g. .pdf, .mp4, .json) into the search box
- 2The MIME type is shown instantly (e.g. application/pdf, video/mp4)
- 3You can also search by MIME type to find the corresponding file extension
- 4Copy the MIME type for use in HTTP headers, content-type fields, or API validation
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Frequently Asked Questions
Is this tool completely free?
Yes. All ToolNest tools are 100% free with no signup required, no account, and no watermarks added to output files.
Are my uploaded files secure and private?
All uploads use HTTPS encryption during transfer. Files are processed on secure isolated servers and automatically deleted within 2 hours of upload.
Does this tool work on mobile phones?
Yes. ToolNest works on any modern browser on iPhone, Android, tablet, or desktop — no app download or plugin needed.
Do I need to create an account?
No. Just open the tool, upload your file, and download the result. No email, no signup, no password.