Offline engine (processed locally)GRAPHQL v1.0.0 Spec

JSON to GraphQL

v1.0.0

Quickly derive a GraphQL schema from your existing JSON data. This free converter infers types, fields, and relationships, generating SDL you can drop into any GraphQL server. Great for prototyping APIs or bootstrapping a schema from sample responses. No sign-up, fully client-side.

—ms
JSONInput (JSON)
lines: 1chars: 28Size: 28 BUTF-8
GRAPHQLOutput (GRAPHQL)
Converted output will appear here
lines: 0chars: 0Size: 0 BUTF-8
Size change: -100.00%TOML compliant: v1.0.0

Tool guide

Accurate conversion

Input is processed by this tool’s dedicated converter.

Local processing

Your input is processed in your browser and is not uploaded.

Ready-to-use output

Copy the result or save it as a file.