JSON to TypeScript Interface

Generate a basic TypeScript interface from JSON data.

Basic object and array support
Readable interface output
Useful for TypeScript-first frontend teams

Sample JSON

Generate a quick interface from a sample object payload.

TypeScript output

Use this as a fast starting point, then refine it manually.

Common use cases

  • Creating starter interfaces from API samples
  • Speeding up mock data work
  • Turning payload examples into typed snippets

FAQ

Is this meant for quick scaffolding or full schema generation?

This version is optimized for quick scaffolding from sample JSON rather than deep schema modeling.

Can it handle nested objects?

Yes. Nested objects and arrays are represented in the generated TypeScript shape.

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