runtime-validation

TypeScript-first schema validation with static type inference

The modular and type safe schema library for validating structural data 🤖

Type-safe JSON decoding for TypeScript. Infer types from decoders, get every error with its path, zero dependencies, Standard Schema compliant

Static type and runtime validation for navigating routes in NextJS App Router with Zod schemas

Transform TypeScript types to io-ts runtime validator codecs

Blazing fast input validation and transformation ⚡

Valype = Validate + Type. Automatically generates runtime validators from TypeScript type definitions with unplugin integration.

JSON object validation for typescript

Typesafe front matter

Framework for building modular, type-safe and documented backends.

Ship production-ready schemas with Zod Toolkit

⚖️ Compare two Zod schemas recursively.

TypeScript-first minimal schema validation for JSON

Runtime-validated contracts, status-typed clients, and OpenAPI for Nuxt server routes.

The toolkit that makes everyday JavaScript development smoother.

Create runtime-validated functions for both synchronous and asynchronous ones with ease, supporting optional parameters and overloaded signatures with smart type inference in TypeScript.

Type-safe environment variables for Node.js — validated at startup, before your app runs.

Strong typing validation for JavaScript runtime

Runtime type safety for JavaScript with predictable behavior and consistent handling of edge cases.

🔒 A type-safe validation library for TypeScript that helps you validate data with complex business rules and dependencies 🚀