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JSON to Zod Schema Generator — Free Online Tool

Generate a Zod schema from a JSON sample — nested objects, arrays, and optional fields.

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🔒 All processing happens in your browser. Your JSON is never uploaded or sent to any server.

How to Use

  1. Paste a JSON object (typically an API response) into the left pane.
  2. Optionally set the Schema Variable Name — this becomes the name of the outermost Zod schema constant.
  3. Click Convert to generate the Zod schema with the import { z } from "zod" import included.
  4. Click Copy Result and paste into your TypeScript project. Refine the schema by adding validators as needed.

Frequently Asked Questions

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