JSONBrew

JSON to Code Generator

Convert JSON to TypeScript, Go, Python, Swift, Java, and Kotlin instantly.

How to Use JSON to Code Generator

  1. Paste your JSON into the left editor, or click Load Sample to try an example.
  2. Select your target language — TypeScript, Go, Python, Swift, Java, or Kotlin.
  3. The generated code appears instantly on the right. Copy it with one click.

Features

  • 6 languages supported — TypeScript, Go, Python (Pydantic), Swift, Java, and Kotlin.
  • Language-specific options — Lombok for Java, interfaces vs types for TypeScript, and more.
  • Real-time conversion with 300ms debounce — no button clicks needed.
  • Drag and drop JSON files directly into the editor.
  • 100% client-side — your data never leaves your browser.