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JSON to GraphQL Schema

Infer GraphQL fields and nested object types from representative JSON as a starting schema draft.

GraphQL types generator
Sample-based inferenceBrowser-local
Representative JSON
Generated starter code
JSON root
Object keys
Max depth
Generated lines
ReadyThis is a starter model inferred from one sample, not a complete contract.
Review optional fields, unions, nullability, numeric precision, naming conventions, custom scalars, validation rules, and framework annotations against your real API/schema before using generated code in production.

How to use this JSON to GraphQL Schema

Infer GraphQL fields and nested object types from representative JSON as a starting schema draft.

What the generated code means

The generator infers a starter model from the values present in one sample JSON document. It cannot discover fields missing from the sample, API business rules, every possible union, framework conventions, or future schema changes, so review the result before production use.

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