TJ
TypedJSON

Convert JSON to Type-Safe Code

TypedJSON is your all-in-one free tool to convert JSON into TypeScript interfaces, CSV files, GraphQL types, Prisma models, and more. Beautify JSON, validate syntax, and generate Zod or Yup schemas all in your browser, instantly and securely. No installation. No login. Just clean, developer ready output.

Choose Your Tool

JSON → TypeScript

Generate TypeScript interfaces

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JSON → CSV

Convert JSON to CSV format

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JSON Beautifier

Format and beautify JSON data

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JSON Validator

Check JSON syntax and structure

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JSON → Zod Schema

Build runtime-safe Zod schemas

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JSON → Yup Schema

Create Yup validation for forms

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JSON → GraphQL Types

Generate GraphQL types

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JSON → Prisma Schema

Auto-generate Prisma models

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Why Choose TypedJSON?

Built for modern development workflows with performance, flexibility, and reliability in mind.

Lightning Fast

Experience real-time JSON conversion and formatting with zero lag — optimized for performance.

Type Safe

Generate reliable TypeScript interfaces and validation-ready Zod or Yup schemas with strict type safety.

Multiple Tools

Convert JSON to TypeScript, CSV, GraphQL, Prisma models, and more — all from a single intuitive platform.

Open Source

Completely free and built with open, modern web technologies like React and TypeScript.