JSON Schema to Zod Converter

Zod is a TypeScript-first schema validation library that provides full static type inference. JSON Schema is a widely used standard for describing data shapes (used by OpenAPI, JSON:API, many databases). Converting JSON Schema to Zod allows you to use existing API contracts as runtime validators in TypeScript projects — giving you both compile-time types and runtime validation from a single schema definition.

This converter handles: primitive types (string, number, integer, boolean), object types with required/optional fields, array types with item definitions, enum values, string formats (email, uri, date-time), string constraints (minLength, maxLength), number constraints (minimum, maximum), nullable fields, description annotations (.describe()), and simple $ref resolution when the definition is inline.

Advanced features like oneOf, anyOf, allOf, if/then/else, pattern (regex), remote $ref URLs, $defs with cross-file references, and complex composition are not supported in this client-side tool. For production use with complex schemas, consider the json-schema-to-zod npm package which handles more edge cases.

Install Zod with 'npm install zod', then copy the generated code into your TypeScript file. The generated schemas use z.object(), z.string(), z.number(), z.array(), z.enum(), and other Zod primitives. You can export the schema and infer its type with 'export type MyType = z.infer<typeof mySchema>'. This gives you both runtime validation and TypeScript static types from one definition.