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JSON to TypeScript Converter

Free online JSON to TypeScript converter. Paste JSON and generate TypeScript interfaces with nested types instantly. Handles arrays and nested objects.

Settings

Convert JSON objects to TypeScript interfaces in seconds. Automatically generates nested interfaces for complex JSON structures — perfect for API response typing.

How to use JSON to TypeScript Converter

  1. Paste your JSON object into the input area.
  2. Set the root interface name and choose whether to add the export keyword.
  3. Click Convert and copy the generated TypeScript interfaces.

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Frequently Asked Questions

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