MagicKit.ai

JSON to C# Class Converter

Convert JSON to C# class instantly. Generate C# classes with properties or records with JSON serialization attributes. Free online tool.

How to Convert JSON to C# Class

  1. 1 Paste your JSON data into the input area or upload a file
  2. 2 Enter a class name for the generated C# class
  3. 3 Optionally specify a namespace
  4. 4 Choose whether to use records instead of classes
  5. 5 Click Convert to C# to generate the code
  6. 6 Copy the code or download as a .cs file

Frequently Asked Questions

Is my code or data stored anywhere? ▼

No. All developer tools process data locally in your browser. Nothing is sent to any server or logged.

Can I use these tools offline? ▼

Yes! After the initial page load, most developer tools work without an internet connection.

Are there API limits? ▼

No limits. Since processing happens in your browser, you can use the tools as much as you need.

Is the output compatible with production use? ▼

Yes. Our tools produce standard-compliant output suitable for production environments.

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Last updated: January 15, 2026 · v2.1