GraphQL Schema to JSON Schema Converter
Convert GraphQL SDL type schemas into standardized Draft-07 JSON Schema validation models.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. No data is ever transmitted across the network.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
How to Use GraphQL Schema to JSON Schema Converter
Paste your GraphQL SDL schema (type User { ... }).
Review the mapped Draft-07 schema properties, types, and required field lists.
Copy the JSON schema code or download the schema.json file.
Frequently Asked Questions
Which JSON Schema specification version is generated?
It outputs standardized Draft-07 JSON Schema, compatible with Ajv, JSON Schema Validator, and OpenAPI 3.0 tools.
How are GraphQL array types mapped?
GraphQL list types ([String!]) are mapped to JSON Schema type 'array' with nested 'items' definitions.
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