TypeScript Model Generator

Transform JSON data into production-ready TypeScript interfaces and types with automatic property generation, optional types, union types, and modern TypeScript syntax. Features intelligent type inference, nested interface handling, and export declarations. Perfect for TypeScript developers working with APIs and type-safe applications.
Interface Generation Optional Types Union Types Export Declarations
Quick Examples 
INTERFACE: interface User { ... }
OPTIONAL: age?: number
UNION: status: 'active' | 'inactive'
JSON Input
Enter JSON to validate
Model Configuration
Name for the main TypeScript interface
Advanced Options
Generated TypeScript Code
Ready to generate models Types | 0 models
Model Analysis
0
Properties
0
Optional
0
Nested
0
Arrays
TypeScript Types Used:
Quick Actions

Help & Related Tools

Everything you need to know

FAQ Frequently Asked Questions

What TypeScript features does the Model Generator support?
Generate modern TypeScript interfaces, types, classes with optional properties, union types, readonly modifiers, JSDoc comments, type guards, and JSON mappers. Perfect for React, Node.js, and full-stack TypeScript development.
How do I convert JSON to TypeScript interfaces?
Paste JSON data, configure model type (interface/type/class) and options, then click "Generate Models". Switch between Types, Type Guards, and Mappers tabs. Export as .ts files for immediate use in your TypeScript projects.
Does the tool generate type-safe code for React components?
Yes, generates TypeScript interfaces perfect for React props, state, and API responses. Includes optional properties, union types, and utility types. Compatible with React, Vue, Angular, and Node.js TypeScript projects.
Are there any limitations for complex JSON structures?
The tool handles nested objects, arrays, and complex data structures efficiently. Very large JSON files (over 10MB) may affect performance. Generated code follows TypeScript best practices with proper type safety and null handling.
Can I generate runtime type validation code?
Absolutely! Enable "Generate Type Guards" to create runtime type checking functions, and "Generate JSON Mappers" for serialization helpers. Perfect for API validation, form handling, and type-safe data transformation.

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