JSON Schema Subset Validator

How to use this tool

1. Paste input in the format shown in the example.
2. Set the options and run the analysis.
3. Review the output and any limitations before using the results.

Try this example

{"name":"Ada","age":36}

Accuracy and scope

Limited subset: types, properties, required, additionalProperties, items, enum, const, numeric bounds, string lengths and array lengths. No $ref, combinators, regex patterns, format checks or full draft compliance. Unsupported keywords are reported.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.