Free Online JSON to C# Class Generator

Generate C# classes from JSON instantly. Supports nested objects and JSON.NET attributes.

JSON Input
C# Output
Generated classes
Options

How to Convert JSON to C# Classes

Our JSON to C# converter analyzes your JSON structure and generates properly typed C# classes. It automatically creates properties with getters and setters, handles nested objects, and supports JSON.NET serialization attributes.

JSON.NET Compatibility

Enable JsonProperty attributes to generate classes fully compatible with Newtonsoft.Json. The generated code includes proper using statements and can be dropped directly into your .NET project.

Privacy Guaranteed

All conversion happens locally in your browser. Your JSON data never leaves your device, making this tool perfect for converting sensitive API responses and configuration files.

Frequently Asked Questions

Our converter parses your JSON and generates corresponding C# classes with proper data types. It handles nested objects, arrays, and creates properties with getters and setters.

The converter generates classes with auto-properties, supports nullable types, adds JsonProperty attributes for serialization, and handles arrays as List<T> collections.

Yes! When you enable JsonProperty attributes, the generated classes are fully compatible with Newtonsoft.Json (JSON.NET) and System.Text.Json serialization.

All conversion happens 100% locally in your browser using JavaScript. Your JSON data never leaves your device, making it safe for API responses and sensitive configurations.

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