Processed client-side in your browser — files never leave your device.
Free, with no signup, account, or usage limits.
Works on any modern browser, including mobile.
About this tool
Use MIME Type Checker when you need to look up MIME types for common file extensions. Processing runs locally in your browser — your input is not uploaded to ThothBox.
How to use
Open MIME Type Checker and enter the values you want to calculate or convert.
Adjust units or options if shown.
Read the result instantly.
Copy the output or try another set of inputs.
FAQ
What does MIME Type Checker do?
Look up MIME types for common file extensions.
Is MIME Type Checker private?
Yes for typical use: input is processed in your browser and is not uploaded to ThothBox.
Is MIME Type Checker free?
Yes. It is free to use with no signup required.
How do I use MIME Type Checker?
Open the MIME Type Checker tool, then open MIME Type Checker and enter the values you want to calculate or convert.