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JSON to GraphQL Schema SDL Generator

Generate GraphQL SDL (Schema Definition Language) type definitions and queries from JSON sample data. Free, instant, browser-based.

GraphQL SDL

JSON to GraphQL Types

JSON Input
GraphQL SDL Output
GraphQL type definitions will appear here…

Frequently Asked Questions

How does JSON to GraphQL conversion work?

The converter creates type declarations with GraphQL scalar types (String, Int, Float, Boolean, ID) and nested composite types.

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