TypeScript-first schema validation with static type inference

String validation

Dead simple Object schema validation

A React component for building Web forms from JSON Schema.

The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)

The modular and type safe schema library for validating structural data

TypeScript's 1:1 validator, optimized from editor to runtime

Super-fast/easy runtime validators and serializers via transformation

The form framework for coding agents

Framework agnostic validation for type-safe environment variables

A standard interface for TypeScript schema validation libraries

Automatically render forms for your existing data schema

Progressively enhance HTML forms with React. Build resilient, type-safe forms with no hassle using web standards.

A form data validation library for Node.js

A Typescript framework to help you get an API server up and running with I/O schema validation and custom middlewares in minutes.

The fastest schema with next-gen DX