JSON to TypeScript Converter

Convert JSON data to TypeScript interfaces instantly. Generate type-safe code with nested interface support.

How to use:

  • Paste your JSON data in the input field
  • Set a custom interface name (optional)
  • Enable optional properties if needed
  • Click Convert to generate TypeScript interfaces
  • Copy or download the generated TypeScript code
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Accurate Type Inference

Automatically infers correct TypeScript types from your JSON data including primitives, arrays, and nested objects.

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Nested Interfaces

Generates separate interfaces for nested objects, creating clean and reusable TypeScript code.

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Customizable Output

Set custom interface names and choose whether to make properties optional for flexible code generation.