JSON to TypeScript Interfaces & Zod Schema
JSON & Data SerializationTransform raw JSON into strongly-typed TypeScript interfaces, type aliases, and runtime Zod validation schemas with optional field detection.
JSON to TypeScript Interfaces & Zod Schema
In-memory recursive AST structure parser with optional field detection and runtime Zod schemas.
export interface OrdersItem {
orderId: string;
amount: number;
status: string;
trackingCode?: string;
}
export interface Preferences {
theme: string;
notifications: Notifications;
}
export interface Notifications {
email: boolean;
sms: boolean;
frequencyDays: number;
}
export interface Profile {
firstName: string;
lastName: string;
avatarUrl: string;
bio: null;
}
export interface UserResponse {
id: string;
username: string;
email: string;
isActive: boolean;
age: number;
roles: string[];
profile: Profile;
preferences: Preferences;
orders: OrdersItem[];
}What is JSON to TypeScript Interfaces & Zod Schema?
Convert raw JSON objects and arrays into clean, strongly-typed TypeScript Interfaces, Type aliases, and runtime Zod validation schemas. Runs entirely in your browser with automatic nested structure extraction and optional field detection.
How to use JSON to TypeScript Interfaces & Zod Schema
3 simple steps to complete your task directly in your browser:
Paste Raw JSON
Paste any valid JSON payload into the input editor. VersaTools provides real-time syntax checking and line-by-line error reporting.
Customize Typing Preferences
Select between `interface` and `type` alias syntax, configure the root type name, toggle `readonly` properties, or extract nested objects into reusable sub-interfaces.
Export TypeScript or Zod Schema
Switch between the generated TypeScript interfaces and runtime Zod validation schemas (`z.object({ ... })`) with one-click clipboard copying or .ts file download.
Common uses
- API Client Development: Quickly generate TypeScript types and interfaces from REST or GraphQL JSON responses.
- Form & Schema Validation: Convert backend JSON contracts into runtime Zod schemas for react-hook-form and Next.js Server Actions.
- Database DTOs: Scaffold strongly-typed data transfer objects (DTOs) for Prisma, Supabase, or MongoDB documents.
- Refactoring Legacy Code: Migrate legacy JavaScript APIs to modern type-safe TypeScript codebases with zero manual typing.
Why choose VersaTools
100% private
Your files are processed inside your browser and are never uploaded to a server.
Free, no account
No sign-up, no watermark, no paywalled “premium” tier. Just open a tool and use it.
Instant
No upload, no queue, no server round-trip — work starts the moment you drop a file.
Runs in your browser
Built on open web standards. Works on any modern desktop browser, nothing to install.
No upload size caps
Nothing leaves your device, so there’s no server file-size limit — only your machine’s memory.
Yours to keep
Results download straight to your device in clean, standard file formats.