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JSON to TypeScript
Paste any JSON and instantly generate TypeScript interfaces. Nested objects and arrays handled automatically.
Frequently asked questions
How are nested objects handled?
Each nested object becomes its own interface, named after the field. Arrays of objects get an “Item” suffix.
Why mark fields optional?
Toggle the optional checkbox to add a “?” after every property. Useful when your API may omit fields.
Is the output ready for production?
It is a solid starting point. Review union types, null handling, and any fields that may need stricter literals.