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// Generated TypeScript code will appear here...
settings
Automatically generate TypeScript interfaces from your JSON data. Paste any JSON object and get properly typed TypeScript definitions.
Features
- Generate TypeScript interfaces from JSON
- Automatic nested type generation
- Handles arrays, unions, and optional properties
- Support for type aliases and enums
- Copy generated types to clipboard
- Client-side processing — your data stays private
How to Use
- Paste your JSON — Enter a sample JSON object representing your data structure.
- Generate TypeScript — The tool instantly produces matching TypeScript interfaces.
- Copy and use — Copy the generated types and paste them into your TypeScript project.
FAQ
How does JSON to TypeScript conversion work?
The tool analyzes your JSON structure — keys, value types, nested objects, arrays — and generates corresponding TypeScript interfaces.
Can it handle nested objects?
Yes. Deeply nested structures are converted into separate TypeScript interfaces for each level.