JSON Schema Generator

Generate a Draft-07 JSON Schema from any JSON object or array.

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Schema Tool

JSON Schema Auto-Inferrer & Validator Guide

Generate a Draft-07 JSON Schema from sample JSON, for API contract tests and OpenAPI specs.

  1. 01

    Type Inference

    Detects string formats, required fields, array items, and object schemas.

Frequently Asked Questions

Answers about this tool.

Which JSON Schema draft specifications are supported?

Draft-07. The generated schema uses Draft-07 keywords, which most validators and OpenAPI tools accept. Draft 2020-12 output is not available.

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