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Online Multi Tools

JSON → TypeScript

Paste JSON, get TypeScript interfaces. Handles nested shapes and optionals.

Examples

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Frequently Asked Questions

Is JSON → TypeScript free to use?
Yes, JSON → TypeScript is completely free. No account, no signup, and no payment is ever required.
Does JSON → TypeScript send my data to a server?
No. JSON → TypeScript runs entirely in your browser. Your data is never uploaded to any server — all processing happens locally on your device.
Can I use JSON → TypeScript offline?
Yes. Once the page has loaded, JSON → TypeScript works without an internet connection. No network requests are made when you use the tool.