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JSON to TypeScript

Generate TypeScript interfaces from JSON data

JSON Input

Paste your JSON data here

TypeScript Output

Generated TypeScript interfaces

How to Use

1. Paste your JSON data in the input area

2. Click "Generate Types" to create TypeScript interfaces

3. Copy the generated interfaces and use them in your TypeScript project

Features:

  • Automatically infers types from JSON values
  • Handles nested objects and arrays
  • Generates named interfaces for nested structures
  • Supports all primitive types (string, number, boolean, null)