The modular and type safe schema library for validating structural data
Valibot is the modular and type safe schema library for validating structural data. Licensed under MIT, it is very popular in the JavaScript ecosystem with 7.0M weekly downloads.
Valibot has an excellent overall health score of 92/100. Its strongest dimension is maintenance (100/100), while stability (70/100) is the area with most room for improvement. This package is well-maintained and actively used.
Standard Schema is a 60-line TypeScript spec that lets Zod, Valibot, and ArkType interop with any framework. How it works and why tRPC and TanStack Form use it.
2026-03-25T00:00:00.000ZAJV is 7x faster (14M ops/sec), Zod infers TypeScript types, Valibot tree-shakes to 1KB. Real benchmarks and bundle size data to pick the right schema validator.
2026-03-20T00:00:00.000ZValibot is 0.8KB vs Zod at 12KB. Zod infers TypeScript types automatically. Yup is the migration-safe choice. Which schema validation library to use in 2026.
2026-03-17T00:00:00.000Z