JSON to Zod schema

Turn a JSON example into a Zod schema with inferred TypeScript types - optional and nullable fields, emails, URLs and dates detected.

Type name

Free · No sign-up · Your files are processed on your device and never uploaded

How to use JSON to Zod schema

  1. Paste or type…
    1

    Paste or type

    Put your content in the box - or try the example.

  2. Result appears instantly
    2

    Watch the result

    The result updates as you type - choose options above if needed.

  3. TXTCopy / Download
    3

    Download the result

    Ready in seconds. Your file never left your device.

Features

  • z.object, z.array, optional() and nullable().
  • Email, URL, UUID and datetime checks.
  • z.infer type export.

Free and private

Everything runs in your browser. Nothing you paste is uploaded, logged or stored.

Questions

What is Zod?

A TypeScript-first validation library - parse API data safely at runtime.

Is it free?

Yes - free and unlimited, with no sign-up and no watermark.

More developer tools

All tools →