Zod

Schema Validator

TypeScript-first schema validation with static type inference.

Getting Started

Zero dependencies

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Works in Node.js and all modern browsers

Tiny

8kb minified + zipped

Immutable

methods (e.g. `.optional()`) return a new instance

Concise, chainable interface

Functional approach

parse, don't validate

Works with plain JavaScript too! You don't need to use TypeScript.