JSON to Types
Free

JSON In, Types Out

Paste any JSON payload and instantly get TypeScript interfaces, Zod schemas, or Python Pydantic models. Free, runs in your browser, zero signup required.

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TypeScript Interfaces

Generate properly typed TypeScript interfaces from any JSON. Handles nested objects, arrays, optional fields, and unions.

Zod Schemas

Get runtime-validated Zod schemas that match your JSON structure. Copy-paste into your Next.js or tRPC project.

Python Pydantic

Generate Pydantic BaseModel classes for your FastAPI or Django project. Full type annotations included.

Free tool. Pro export available.

Free

$0 one-time

Full type generation tool

  • TypeScript interfaces
  • Zod schemas
  • Python Pydantic models
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Pro Bundle

$9 one-time

Lock in the early-bird price — features rolling out now

  • Everything in Free
  • Batch convert multiple JSON files (coming soon)
  • Export as .ts / .py files (coming soon)
  • Custom type naming (coming soon)
  • JSON Schema output (coming soon)

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