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JSON to Zod Converter

Convert JSON or JSON Schema to Zod validation schemas. Supports $ref, allOf/oneOf/anyOf, enum, format constraints, and nested objects.

Input:

JSON Input

About JSON to Zod Converter

Two input modes — paste raw JSON data to infer schemas, or paste a JSON Schema for precise conversion with $ref, allOf/ oneOf/ anyOf, and constraints.
JSON Schema support — converts required, enum, const, format (email, uri, uuid, date-time, ipv4, ipv6), pattern, minimum/maximum, minLength/maxLength, default, and $defs/definitions.
Smart inference — detects emails, URLs, UUIDs, and ISO dates in raw JSON values and adds appropriate Zod refinements.
Required vs optional — JSON Schema required arrays map to required fields; all others get .optional().
TypeScript type — generates z.infer<typeof schema> so you get TypeScript types for free.
Everything runs in your browser — no data is sent over the network.

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