ajv vs zod

NPM Package Comparison - Which one should you use?

ajv

🏆Most PopularðŸ“ĶSmallest📘TypeScript

Another JSON Schema Validator

View Repository →
npm install ajv

zod

⭐Most StarredðŸŠķLightweight📘TypeScript

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

View Repository →
npm install zod

Download Trends (Last 12 Weeks)

When to Choose Each

👉Choose ajv if:

  • ✓You want the most battle-tested solution with a larger community
  • ✓Bundle size is critical for your project

👉Choose zod if:

  • ✓You prefer fewer dependencies to reduce supply chain risk
  • ✓Community popularity and ecosystem support matter to you

Comparison

Metricajvzod
Weekly Downloads272.3M145.6M
GitHub Stars14.7k42.2k
Bundle Size1.0 MB4.3 MB
Dependencies40
Last Updated1 months ago2 months ago
TypeScriptYesYes
LicenseMITMIT
Version8.18.04.3.6

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