JSON → TypeScript Interface Generator

Instantly convert JSON data to TypeScript interfaces. Supports nested objects, arrays, and custom formatting.

✨ Premium Version

Advanced features & unlimited conversions

JSON Input

✨ Core Features

  • Instant JSON-to-TypeScript conversion
  • Support for nested objects and arrays
  • Customizable interface naming
  • Copy & export options

TypeScript Output

// Generated TypeScript interface will appear here...

💡 Tips

  • Paste any valid JSON object to generate the TypeScript interface
  • Nested objects are automatically handled with proper interface naming
  • Arrays are typed based on their first element's type
  • Use the "Load Example" button to see it in action