Can I generate pure TypeScript interfaces alongside Zod schemas?

Yes! The tool provides an option to generate companion TypeScript interfaces.

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z.infer & Types

JSON to Zod Schema & TypeScript Generator

Convert raw API JSON objects into runtime Zod validation schemas and static TypeScript type definitions for Next.js, tRPC, and Node.js.

JSON to Zod Schema & TypeScript Generatorz.infer & Smart Formats

Generate runtime Zod validation schemas, datetime/email parsers, and inferred TypeScript types from any JSON object or API response.

Schema Identifier:

Make All Fields Optional (.optional())Include z.infer TypeInclude Pure TS Interface

Input JSON Payload

Generated Zod & TypeScript Output

import { z } from 'zod';

export const userSchema = z.object({
  id: z.number(),
  username: z.string(),
  email: z.string().email(),
  isAdmin: z.boolean(),
  score: z.number(),
  tags: z.array(z.string()),
  profile: z.object({
    bio: z.string(),
    website: z.string().url(),
    followersCount: z.number(),
  }),
  lastLogin: z.string().datetime(),
});

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

export interface IUser {
  id: number;
  username: string;
  email: string;
  isAdmin: boolean;
  score: number;
  tags: string[];
  profile: Record<string, any>;
  lastLogin: string;
}

Runtime Zod Validation Schemas

Inferred TypeScript Types (z.infer)

Datetime, Email & URL Detection

Deep Nested Object Parsing

How to Use JSON to Zod Schema & TypeScript Generator (Step-by-Step Guide)

No software installation required. Complete your task in 3 easy steps directly in your browser.

Paste JSON Data

Paste any JSON payload from an API or database response.

Set Schema Name & Options

Choose your schema identifier and toggle optional fields or TypeScript interfaces.

Copy or Download .ts File

1-click copy generated z.object(...) schema with z.infer type definitions.

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Got Questions?

Frequently Asked Questions

Yes! ISO-8601 date strings automatically map to z.string().datetime() and email strings map to z.string().email().