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JSON to GraphQL

Generate GraphQL schemas from JSON instantly. Create GraphQL type definitions for APIs, Apollo, Node.js and modern applications with secure browser processing.

Options

Input JSON

Paste or edit your JSON sample

GraphQL output

Object types for GraphQL APIs

Ready
type Root {
  id!: Float
  name!: String
  email!: String
  active!: Boolean
  score!: Float
  tags!: [String]
  profile!: Nested
}

type Profile {
  age!: Float
  city!: String
}

Why JSON to GraphQL?

Bootstrap GraphQL types from sample query responses before schema-first design.

This page presets GraphQL output so you can paste API JSON and ship typed code faster.

FAQ

How do I convert JSON to GraphQL?

Paste your JSON sample into the editor on this page. The GraphQL output updates live — copy it or download a .graphql file.

Is JSON to GraphQL conversion free?

Yes. JSON to GraphQL conversion on WebioTools is free for normal usage and runs in your browser.

Is my JSON data sent to a server?

No. Code generation happens locally in your browser. Your JSON never leaves your device.

Can I use this for API responses?

Absolutely. Paste REST or GraphQL JSON responses to scaffold GraphQL definitions for your project.