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JSON to Zod Schema Generator

Generate a Zod validation schema and TypeScript type from JSON.

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JSON input

Zod schema

JSON
import { z } from "zod";

export const Schema = z.object({
  id: z.number().int(),
  name: z.string(),
  active: z.boolean(),
  tags: z.array(z.string()),
  meta: z.object({
    city: z.string(),
    zip: z.null().nullable(),
  }),
});

export type SchemaType = z.infer<typeof Schema>;

About the JSON to Zod Schema Generator

Paste sample JSON data and instantly generate a matching Zod schema with nested objects and arrays, plus an inferred TypeScript type export — a fast starting point for runtime validation in TypeScript projects.

Examples

Simple object

JSON{ "id": 1, "name": "Ada" }

Output

z.object({ id: z.number().int(), name: z.string() })

Keyboard shortcuts

  • Copy the main outputCtrl / ⌘ + Shift + C
  • Download the resultCtrl / ⌘ + S
  • Share this toolCtrl / ⌘ + Shift + S
  • Reset the inputsAlt + R
  • Open the tool search paletteCtrl / ⌘ + K

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Frequently asked questions

Read more

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Version 1.0.0 · Updated 2026-08-11 · Runs entirely in your browser