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JSON Schema Generator

Generate sample JSONSimple
JSON input
Generated schema

FAQ

Is the generated schema production ready?

It is a starter schema based on one sample. Review constraints such as formats, enums, min/max values, and optional fields before production use.

Does schema generation upload my JSON?

No. JSONFather parses the sample and builds the schema in your browser.

Can arrays contain multiple shapes?

Yes. When array items differ, JSONFather emits an anyOf schema for the observed item shapes.

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