Which languages are supported in this JSON to class generator?

The tool supports multiple model output languages, and new language support can be added over time.

Can I download all generated classes at once?

Yes. You can export all generated model files in a single ZIP download.

JSON to Model Class Generator Online

Convert JSON objects into model classes for multiple programming languages. This helps teams avoid manual boilerplate and maintain consistent data structures across backend, frontend, and mobile projects.

JSON2Class

JSON to Model Class Generator

Convert JSON into model classes for your selected language, then copy or download generated files instantly.

Input

Language

Root Class Name

JSON Input

Generated Model Classes

0 files generated • .java

Generated code preview will appear here.

Why Developers Use This Tool

Instant class generation from real JSON payloads.

Consistent naming and nested model extraction.

One-click copy, single-file download, and ZIP bundle export.

Loading JSON to Class generator...

When to Use It

Generate models from API responses, nested JSON payloads, or sample contract files.

Typical Workflow

Paste JSON, choose target language, review generated classes, then copy or download as ZIP.

Team Benefit

Shared model conventions reduce integration bugs and speed up onboarding for new contributors.

Example Use Case

You receive a nested API response for an order page. Instead of hand-writing classes for `Order`, `Item`, and `Customer`, paste the payload once and generate all models together.

{
  "orderId": "A-1024",
  "total": 199.99,
  "customer": { "id": 7, "name": "Mina" },
  "items": [{ "sku": "BK-21", "qty": 2 }]
}