JSON Schema Generator & Validator
Paste any sample JSON payload to infer a complete, strongly-typed JSON Schema contract. Infer string formats (UUID, email, date-time), nested arrays, objects, required property lists, and numeric constraints.
Frequently Asked Questions
Q:What is JSON Schema?
JSON Schema is a declarative, standard vocabulary for validating the structure, types, constraints, and required fields of JSON data objects. It is widely used in API specification (OpenAPI/Swagger), config validation, and database schema contracts.
Q:Which JSON Schema draft version is generated?
This tool supports generating both Draft-07 (http://json-schema.org/draft-07/schema#) and Draft 2020-12 schemas.