C# Model Generator

Transform JSON data into production-ready C# classes with automatic property generation, nullable reference types, JsonPropertyName attributes, and record types. Features intelligent type inference, nested class handling, and modern C# syntax. Perfect for .NET developers working with APIs and JSON serialization.
Nullable Support JsonPropertyName Attributes Record Types Modern C# Syntax
Quick Examples
CLASS: public class User { ... }
RECORD: public record User(string Name, int Age);
NULLABLE: public string? Email { get; set; }
JSON Input
Model Configuration
Name for the main C# class
Advanced Options
Generated C# Models
Model Analysis
0
Properties
0
Nullable
0
Nested
0
Collections
Detected Types:
Quick Actions

Help & Related Tools

Everything you need to know

FAQ Frequently Asked Questions

What features does the C# Model Generator offer?
Convert JSON to C# models with nullable reference types, System.Text.Json attributes, record types, validation attributes, and automatic snake_case to PascalCase conversion. Perfect for .NET API integration and modern C# development.
How do I convert JSON to C# models?
Paste your JSON data into the input field, configure model settings like type (class/record/struct) and serialization attributes, then click "Generate Models". The tool creates production-ready C# code with proper type inference and modern syntax.
Does the tool support modern C# features?
Yes, the generator supports nullable reference types, record types, System.Text.Json attributes, data validation attributes, XML documentation, and modern C# syntax patterns. Compatible with .NET 5+ and C# 9+ features.
Are there any limitations for JSON complexity?
The tool handles complex nested JSON structures efficiently, but very large files (over 10MB) may affect performance. For optimal results, use well-structured JSON with consistent type patterns. All processing happens client-side for security.
Can I customize the generated C# code output?
Absolutely! Configure model type (class/record/struct), access modifiers, namespace, serialization libraries (System.Text.Json/Newtonsoft), nullable context, constructors, ToString methods, XML documentation, and validation attributes for complete customization.

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