{ }Free
MIME type lookup
Look up common content types by filename extension.
Look up common content types by filename extension. Look up a filename’s final extension and return a common content type for response headers. Extension matching ignores case and falls back to application/octet-stream.
How to use
- Enter your text, values, or image.
- Adjust the options and run the tool.
- Copy or download your result.
Worked example
Example input
Filename or extension: photo.PNG
Example result
{
"extension": "png",
"mime": "image/png"
}Limitations and details
Only filenames are inspected; file bytes, content sniffing and uncommon registered media types are not checked.
Inputs and options
- Filename or extension
- Text
Frequently asked questions
Is this tool free and private?
Yes. All 300 tools are free in this phase. Processing happens in your browser; your input and files are not sent to our servers.