JSON to C# Class Generator

Generate C# classes with JSON serialization attributes from any JSON object.

Library:Newtonsoft.JsonSystem.Text.Json

JSON Input

C# Class Output

using Newtonsoft.Json;
using System.Collections.Generic;

public class Root
{
    [JsonProperty("user_name")]
    public string UserName { get; set; }

    [JsonProperty("age")]
    public int Age { get; set; }

    [JsonProperty("email")]
    public string? Email { get; set; }

    [JsonProperty("scores")]
    public List<int> Scores { get; set; }

    [JsonProperty("address")]
    public Address Address { get; set; }
}

public class Address
{
    [JsonProperty("city")]
    public string City { get; set; }

    [JsonProperty("zip_code")]
    public string ZipCode { get; set; }
}

C# is commonly used for backend APIs with ASP.NET Core. JSON deserialization can use either Newtonsoft.Json (the classic choice) with [JsonProperty] attributes, or the built-in System.Text.Json with [JsonPropertyName]. This generator produces complete C# classes with proper type mappings, auto-properties, and serialization attributes.

Frequently Asked Questions

: It generates C# classes with properties and Newtonsoft.Json or System.Text.Json attributes for JSON serialization.

JSON to C# Class Generator

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