.NET Model Generator

JSON to .NET Model Generator

Generate strongly typed .NET models from JSON for APIs, integrations and data transfer objects.

Converter Workspace

Paste JSON on the left and generate clean C# models on the right.

JSON Input

JSON

C# Output

Ready
Serialization Attributes Generate System.Text.Json JsonPropertyName or Newtonsoft.Json JsonProperty attributes.
Nested Classes Nested objects and arrays of objects are converted into separate C# classes.
Type Inference Detects string, bool, numeric types, DateTime, Guid, arrays and nullable values.

JSON to .NET Model

This page is designed for developers who need an online JSON to .NET model tool with clean C# output, nullable reference types, nested classes and JSON serialization attributes.

  • Create .NET models from sample JSON.
  • Generate clean nullable-aware properties.
  • Customize namespace and class names.