What JSON Schema version does it generate?

It generates JSON Schema draft-07, which is widely supported by validators and documentation tools.

Does it detect required fields?

Yes, all fields present in the example are marked as required by default. You can manually adjust this in the output.

Types are inferred from values: strings, numbers (integer or number), booleans, null, objects, and arrays with their element types.

Yes! The generated schema is compatible with major validation libraries like Ajv (JavaScript), jsonschema (Python), and many API frameworks.

JSON & Data

Generate JSON Schema from example data

100% client-side processing

Ctrl+Enter to process

Input

Output

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Generate JSON Schema from example data. Runs 100% client-side — no data is sent to any server.

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