JSON to Schema Generator — Infer Types & Validate APIs

Paste a JSON sample and get a valid JSON Schema with inferred types for objects, arrays, and primitives. Great for API contracts and data validation. Runs in your browser.

Keywords: json schema, json to schema, schema generator, json validation, api schema, json schema online

Frequently Asked Questions

What is JSON Schema?

JSON Schema is a standard for describing and validating the structure of JSON data.

Does it support nested objects and arrays?

Yes, nested objects and arrays are inferred automatically in the generated schema.

Can I use the schema for API validation?

Absolutely. JSON Schema works with many validators and API tooling for robust validation.