JSON to TypeScript
Convert JSON to TypeScript interfaces or types instantly in your browser.
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What is JSON to TypeScript?
Developers often need TypeScript types from sample JSON API responses. This tool generates interfaces automatically.
How to use
Paste valid JSON.
Choose interface or type alias.
Copy the generated TypeScript.
Benefits
- Nested objects supported
- Optional root type name
- Pairs with JSON Formatter
Frequently Asked Questions
Is this tool free?
Yes. This tool is completely free to use with no sign-up, no limits, and no hidden fees.
Does my data leave my browser?
No. All processing happens entirely in your browser using client-side JavaScript. Your data is never sent to a server or stored anywhere.
Feedback & report a problem
Found a bug or have a suggestion? Let us know — it helps us improve this tool.
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