Validators
MIME Type Validator
Validate MIME type strings such as text/html, application/json, and image/png directly in your browser.
Tool
Validate MIME type strings such as text/html, application/json, and image/png directly in your browser.
This tool runs in your browser. Your input is processed locally and is not uploaded.
About this Tool
Use this free MIME Type Validator to check whether a MIME type string is formatted correctly. It can help detect missing slashes, invalid type or subtype names, unsupported characters, malformed parameters, and common content type formatting mistakes. The validation runs directly in your browser.
Examples
- text/html
- application/json; charset=utf-8
Frequently Asked Questions
What does this MIME type validator check?
It checks whether a MIME type follows common type/subtype formatting rules and whether optional parameters are written in a valid-looking format.
Does this inspect a real file?
No. This tool checks the MIME type text you enter. It does not inspect file contents or upload files.
Is my MIME type uploaded?
No. The validation is designed to run locally in your browser.