No. This JSON tool runs in your browser and does not send the input to a backend service.

What JSON syntax is supported?

The primary parser follows strict JSON. When repair is available, the tool labels repaired output clearly so you can review it first.

Developer Tools / Local / No signup

JSON to TypeScript Generator

Generate TypeScript interfaces from JSON samples for API clients, mocks and docs.

Generate TypeScript interfaces from a realistic JSON sample.

Ready. Run an action to update output.

Privacy: Runs locally in your browser. Your input is not uploaded to ToolsFam servers.

About, use cases, and privacy

About JSON to TypeScript Generator

Infer TypeScript interfaces from sample JSON for API clients, fixtures and documentation.

Processing runs locally in your browser. Use it for turn API samples into frontend types and mock data contracts, then copy or download the result without creating an account.

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Frequently Asked Questions

Yes. It walks nested objects and arrays, then emits named interfaces for reusable object shapes.

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