Convert JSON to Strict TypeScript Zod Schemas

Transform JSON payloads into type-safe Zod validation schemas with inferred TypeScript types.

JSON to Zod Schema Generator

Convert JSON objects into strict TypeScript Zod validation schemas with automatic type inference.

JSON Input

Schema Constant Name

TypeScript Type Name

Generated Zod Schema & TypeScript Type

import { z } from "zod";

export const userSchema = z.object({
  "id": z.string(),
  "name": z.string(),
  "email": z.string().email(),
  "age": z.number().int(),
  "website": z.string().url(),
  "isActive": z.boolean(),
  "roles": z.array(z.string()),
  "address": z.object({
    "city": z.string(),
    "zipCode": z.number().int(),
  }),
});

export type User = z.infer<typeof userSchema>;

About This Tool

JSON to Zod Schema Generator automatically analyzes JSON data structures and produces strict Zod schemas with email, URL, and date format detection alongside inferred TypeScript types.

Key Features

Auto-detects email, url, and ISO datetime strings

Nested objects and homogeneous/heterogeneous array support

Exports both Zod schema and z.infer<typeof schema> TypeScript type

How to Use This Tool

Paste your sample JSON object into the input area.
Customize the schema constant name and TypeScript type name.
Copy the generated Zod validation schema and inferred type.

Why Use This Tool

Speed up Next.js server actions, tRPC, and API validation by auto-generating Zod schemas.
Prevents manual schema typing errors on complex nested JSON payloads.

Pro Tips

Use this schema with react-hook-form and @hookform/resolvers/zod for client-side form validation

Frequently Asked Questions

How does the tool infer string formats in Zod?

The generator tests string values against standard regex patterns for email addresses, HTTP/HTTPS URLs, and ISO datetime strings, adding .email(), .url(), or .datetime() automatically.

Related Tools

SSL / X.509 Certificate Inspector

Inspect and decode PEM / CRT SSL certificates to view Common Name, Issuer, SANs, and Expiry.

CRC32 Checksum Calculator

Compute standard 32-bit CRC32 checksums (IEEE 802.3) in Hexadecimal, Decimal, and Binary.

FAQ Page JSON-LD Schema Generator

Build interactive FAQPage JSON-LD structured data for Google Search rich snippets.