String validation

Dead simple Object schema validation

The most powerful data validation library for JS

A React component for building Web forms from JSON Schema.

The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019...

The modular and type safe schema library for validating structural data

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

A simple and composable way to validate data in JavaScript (and TypeScript)...

Runtime type system for IO decoding/encoding

An express.js middleware for validator.js.

Super-fast/easy runtime validators and serializers via transformation

The form framework for coding agents

JavaScript fluent validation library

Framework agnostic validation for type-safe environment variables

Function argument validation for humans

Automatically render forms for your existing data schema

A standard interface for TypeScript schema validation libraries

Runtime validation for static types

Vest Declarative validations framework

Progressively enhance HTML forms with React. Build resilient, type-safe for...

Featureful configuration management library for Node.js

The fastest JS validator library for NodeJS

A form data validation library for Node.js

A Typescript framework to help you get an API server up and running with I/...

🗹 TypeScript HTTP Framework focusing on e2e type-safety, easy setup, perfo...

Verification, sanitization, and type coercion for environment variables in ...

Typesafe JSON (Schema) validator

The fastest schema with next-gen DX

A typesafe validation & parsing library for TypeScript.