C# ↔ JSON Converter

Instantly generate strongly-typed C# classes from JSON payloads or parse sample JSON data directly in your browser.

Input JSON Payload

{
  "id": 1024,
  "username": "developer_cs",
  "isActive": true,
  "roles": ["Admin", "Developer"],
  "profile": {
    "firstName": "Alex",
    "lastName": "Mercer",
    "joinedDate": "2026-03-30T10:00:00Z"
  }
}

Generated C# Classes

Ready

What is C# and JSON Converter?

A C# and JSON converter helps transform JSON objects into C# classes or convert C#-style data into JSON-friendly structures. It speeds up API model creation and data mapping.

How to use this tool

Paste valid JSON or C# input, choose the required conversion, then review property names, data types, and nullable values before copying the output.

Useful notes

JSON property naming and C# property naming may differ. Confirm serialization attributes and the target .NET serializer settings.

C# ↔ JSON Converter features

Available tool controls: JSON → C# Classes.

Practical guidance for C# ↔ JSON Converter

Choose the source and destination formats deliberately. Similar-looking data can have different escaping, precision, or null-value rules after conversion.

Formats can represent types, dates, empty values, comments, and numeric precision differently. Inspect a representative output instead of assuming conversion is lossless.

Frequently Asked Questions (FAQ)

Yes. The values you enter are processed locally in your browser.