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JSON to TypeScript Interface Converter

Paste a JSON object to generate a matching TypeScript interface, including nested objects and arrays.

How to use this tool

  1. 1Paste a JSON object.
  2. 2See the generated TypeScript interface(s).
  3. 3Copy the result into your project.

Frequently asked questions

Does this handle nested objects?+

Yes — nested objects generate their own named interfaces, referenced from the parent.

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