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JSON to C Sharp Class

Generate a C# class with JsonPropertyName attributes and primitive property types.

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A useful toolkit for text, data, images and calculations.

  1. 01

    Add your input

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  2. 02

    Make it yours

    Adjust the options and run the action.

  3. 03

    Take the result

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JSON to C# Class online

Generate a C# class with JsonPropertyName attributes and primitive property types. Use this when inspecting structured input or preparing a data or code artifact. Generated commands and configurations remain text until you review and use them yourself.

How to use it

Paste JSON matching the structure in the example. Choose Run tool. Review the output, then copy or download it.

Worked examples

Use this when inspecting structured input or preparing a data or code artifact. Generated commands and configurations remain text until you review and use them yourself.

Reproducible worked example

Settings: No additional settings.

Input:

{ "name":"Anna", "count":3, "active":true }

With the input and settings above, the tool produces:

Output:

using System.Text.Json;
using System.Text.Json.Serialization;

public class Generated
{
    [JsonPropertyName("name") ]
    public string Field1 { get; set; }
    [JsonPropertyName("count") ]
    public double Field2 { get; set; }
    [JsonPropertyName("active") ]
    public bool Field3 { get; set; }
}

The example output has 12 lines. Compare its order, separators and whitespace with the input before copying the result.

Limitations and common mistakes

  • Generates a starting type declaration from observed fields, not a complete application or an authoritative data contract. Review names, nullability, numeric precision and serialization dependencies.
  • Combined input is bounded to 150,000 characters; output text is bounded to 1.2 million characters. Some algorithms impose smaller limits, stated in their error messages.

Frequently asked questions

What format should I enter?

Paste JSON matching the structure in the example. The worked example shows the supported structure and actual output.

How can I create a C# class with JsonPropertyName attributes and primitive property types online?

Paste JSON matching the structure in the example. Choose Run tool. Review the output, then copy or download it.

Where is my input processed?

The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.

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