TypeScript · Zod · Testing

zod4-mock

A TypeScript library that walks a Zod v4 schema and generates plausible mock data for every type, plus a live playground to test schemas in real time.

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A TypeScript library that walks a Zod v4 schema and generates plausible mock data for each type — strings, numbers, enums, unions, nested objects. The playground is a SvelteKit app deployed on Vercel where you can paste any Zod schema and see mock output in real time. Useful for seeding test databases or prototyping UI without a real API.

// STACK
Language TypeScript
Schema Zod v4
Playground SvelteKit
Deployment Vercel
// SIGNED

— Dexter, in the lab

// SHIPPED BY

DEXTERLABS / a one-person lab