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Tools / GraphQL to TypeScript type generator

GraphQL to TypeScript type generator

Generate clean TypeScript interfaces, enums, and types directly from GraphQL Schema Definition Language (SDL) without external CLI dependencies.

Runs entirely in your browser

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About this tool

A GraphQL schema written in SDL defines types, inputs, enums and queries — and matching TypeScript to it keeps your client type-safe. This generator produces clean TypeScript interfaces, enums and types directly from GraphQL SDL, without needing an external CLI or code-generation setup.

For quick work — trying a schema, generating types for a small client, or understanding an API’s shape — a browser tool is faster than wiring up a full codegen pipeline. It maps GraphQL types to their TypeScript equivalents so your code aligns with the schema.

It runs in your browser, so your schema is not uploaded. Use it to type a GraphQL client, prototype against a schema, or convert SDL definitions you have been given.

Frequently asked questions

What does it convert?
GraphQL Schema Definition Language (SDL) types, inputs, enums and queries into TypeScript interfaces, enums and types.
Do I need a code-generation CLI?
No. It generates types directly in your browser, which is handy for quick tasks without setting up a full codegen pipeline.
What is GraphQL SDL?
The Schema Definition Language, GraphQL’s text format for describing types and operations. The tool reads it to produce matching TypeScript.
Is my schema uploaded?
No. Conversion runs in your browser, so your SDL stays on your device.

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