JSON to TypeScript Converter

Convert JSON data into TypeScript interfaces or classes quickly and cleanly. Free, browser-based, no signup.

JSON to TypeScript Class Converter

🕓 History

🔑 Key Features & Benefits

  • Instant conversion of JSON to TS interface or class.
  • Choose between interface or class mode depending on your use-case.
  • Copy or export the generated code easily.
  • Privacy-first — conversions happen in your browser; JSON is not stored.
  • Responsive layout works well across devices.

📌 Use Cases

  • Front-end developers converting API JSON payloads into TS models.
  • Teams using strong typing in Angular, React, Vue, or Node.js projects.
  • Generating models from backend JSON responses automatically.
  • Rapid prototyping — quickly generate TS types for mock data structures.
  • Ensuring consistency and reducing errors with typed data in apps.

❓ Frequently Asked Questions (FAQs)

  • What does this tool do?
    It converts JSON into TypeScript interface or class definitions you can use in your code.
  • Is it free to use?
    Yes — completely free without registration required.
  • Can I copy or clear output?
    Yes — buttons are provided for copying and clearing the output pane.
  • Is my JSON kept private?
    No, it’s processed in your browser; data is not sent or stored on servers.