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Convert JSON to C# (.NET) Classes Online

Generate C# models with [JsonPropertyName] attributes, PascalCase properties, and nullable types for .NET 8 / C# 12.

Key Technical Capabilities

  • System.Text.Json AttributesGenerates [JsonPropertyName] for clean property mapping.
  • Nullable Types (T?)Detects optional fields and assigns nullable qualifiers.

How to Generate C# Classes

  1. Paste JSONInsert JSON payload.
  2. Select C#Copy generated C# classes with using directives.

Frequently Asked Questions

Does it include using directives?
Yes, includes System.Text.Json.Serialization namespaces.