About this tool
File MIME type detector
Identify common file formats by header signatures and display the browser-provided MIME type.
Enter content or choose a local file on the left, adjust the available settings, and run the tool. Results or previews appear on the right. Use the copy or download actions provided after processing.
Header detection identifies formats, not viruses; unrecognized files are not classified solely by extension.
Frequently asked questions
What does this tool do?
Identify common file formats by header signatures and display the browser-provided MIME type.
How do I use this tool?
Enter content or choose a local file on the left, adjust the available settings, and run the tool. Results or previews appear on the right. Use the copy or download actions provided after processing.
Which settings can I change?
There are no extra settings. Supply data using the input area shown on the page.
What should I check before using it?
Header detection identifies formats, not viruses; unrecognized files are not classified solely by extension.
Where is my input sent?
Input is processed in the current browser and is not automatically uploaded by this tool. Copying requires browser permission; select and copy the result manually if needed.