Validation LibraryCompare in npm Trends

Best Alternatives to zod

TypeScript-first schema validation with static type inference

Why look for an alternative?

Zod is the TypeScript validation standard but adds ~13kB to your bundle. Valibot offers the same type inference at a fraction of the size through tree-shaking.

Current

zod

v4.3.6 · MIT

TypeScript-first schema declaration and validation library with static type inference

Weekly Downloads

102.1M

Bundle (gzip)

57.1 kB

joi

v18.0.2 · BSD-3-Clause

Battle-tested, extremely comprehensive — popular in Node.js/Hapi ecosystem

Weekly Downloads

17.7M

Bundle (gzip)

52.6 kB

TypeScriptNode only

yup

v1.7.1 · MIT

More beginner-friendly API — widely used with Formik

Weekly Downloads

9.9M

Bundle (gzip)

13.1 kB

TypeScriptUniversalBrowser

valibot

v1.2.0 · MIT

Same type inference as Zod at ~1kB — modular, tree-shakeable design

Weekly Downloads

6.3M

Bundle (gzip)

12.6 kB

TypeScriptESMTree-shakeableLightweightActively maintained

arktype

v2.1.29 · MIT

Fastest runtime validation — syntax mirrors TypeScript directly

Weekly Downloads

809K

Bundle (gzip)

44.6 kB

TypeScriptESMLightweightActively maintained

typebox

v1.1.5 · MIT

JSON Schema + TypeScript — great for APIs that need schema sharing

Weekly Downloads

189K

Bundle (gzip)

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TypeScriptESMZero deps
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