JSON Schema Generator

Paste any JSON and instantly generate a JSON Schema Draft 7 document with type inference, required fields, and format detection.

JSON Input

Frequently Asked Questions

What JSON Schema draft does this tool generate?

It generates JSON Schema Draft 7, the most widely supported version.

Does it infer string formats?

Yes — it detects date-time, date, email, and URI patterns automatically.

Can I use the output with validation libraries?

Yes. The generated schema works with ajv, zod (via coercion), and most JSON Schema validators.

Is my JSON data sent to a server?

No. Schema generation runs entirely in your browser.