TypeScript Interface & Model Generator

Instantly convert JSON objects and payloads into robust TypeScript interfaces and models with nested type detection.

Success

How to Use the Generator

Paste any valid JSON string or API response object into the input box on the left, then customize your root interface name. The generator instantly infers property types, handles nested objects by creating distinct sub-interfaces, and formats the output ready for copy-pasting into your project codebase.

Frequently Asked Questions (FAQ)

Nested JSON objects automatically generate dedicated standalone interfaces (e.g., matching the property name in PascalCase) to keep your model definitions cleanly structured and reusable.

Yes. All parsing and type generation execute completely client-side inside your browser session; your data is never transmitted or saved on external servers.