Does it support nested objects and arrays?

Yes. Nested objects generate child interfaces, and arrays produce typed array aliases.

Is my JSON payload sent to an external server?

No. JSON parsing and type generation execute 100% inside your browser.

An error message highlights invalid JSON syntax so you can fix quotes or trailing commas.

Yes. The default RootObject name can be edited directly in generated code.

Yes. Nested objects generate child interfaces, and arrays produce typed array aliases.

No. JSON parsing and type generation execute 100% inside your browser.

An error message highlights invalid JSON syntax so you can fix quotes or trailing commas.

Yes. The default RootObject name can be edited directly in generated code.

DeveloperOffline Ready · Zero Uploads

Convert raw JSON payloads and API responses into strongly-typed TypeScript interfaces and type aliases instantly in your browser.

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Supports .json up to 10MB.

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