DATA & APIS
Paste a JSON object or array, choose the root interface name and get TypeScript interfaces ready to copy into your project.
Also useful if you are looking for: json to typescript · json to typescript interface · json to ts type · convert json to typescript online
Local processing
LOCAL PROCESSING
The file and text never leave your device.
Paste a JSON object or array, choose the root interface name and get TypeScript interfaces ready to copy into your project. Click Process, then download or copy the result when it is ready.
It generates nested interfaces for inner objects, infers array types (including unions) and respects non-standard keys. The JSON is processed locally in your browser.
FREQUENTLY ASKED QUESTIONS
No. The operation runs locally in your browser and PriviTools never receives the content.
No. The tool works directly in modern browsers, with no account and no charge.