Generate JSON Schema (draft-07) or TypeScript interfaces from any JSON input. Paste your JSON, hit Generate, and get a fully typed schema in seconds.
Generate JSON Schema (draft-07) from any valid JSON
Generate TypeScript interfaces with proper type annotations
Detect string formats: date-time, email, and URI
Handle nested objects and arrays recursively
Prettify input and output with one click
100% client-side processing - your data stays private
Generate request and response schemas from sample JSON payloads for OpenAPI specs and API documentation.
Create JSON Schema definitions to validate user input in web forms using libraries like Ajv or Zod.
Quickly scaffold TypeScript interfaces from API responses instead of writing them by hand.
Derive schema definitions from real-world data samples to document and enforce data contracts across services.
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