JSON to C# Classes

json

Convert JSON objects into C# class definitions with proper types.

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JSON Input

JSON

Options

Root Class Name

Add [JsonProperty] attributes

Add Newtonsoft.Json JsonProperty attributes

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What is JSON to C# Classes?

JSON to C# Classes is a free online utility that helps developers and data professionals work with JSON data. Convert JSON objects into C# class definitions with proper types. JSON (JavaScript Object Notation) is the most widely used data interchange format on the web, and having a reliable tool to format and validate it saves significant time during development.

How to Use JSON to C# Classes

1
Paste your JSON data into the input field. The tool accepts both formatted and minified JSON.
2
Click the Run button to process your input.
3
Copy the result from the output panel using the Copy button, or download it as a text file.

Common Use Cases

→Processing API responses during development and debugging.
→Validating configuration files before deployment.
→Transforming data between different JSON structures.

Frequently Asked Questions

Is JSON to C# Classes free to use?

Yes, JSON to C# Classes is completely free with no usage limits. No account, signup, or payment is required.

Is my data sent to a server?

No. JSON to C# Classes runs entirely in your browser. Your data never leaves your device and is never sent to any server.

How accurate is the JSON to C# Classes?

The conversion uses precise mathematical constants and formulas. Results are accurate to at least 5 significant figures, which is sufficient for all practical purposes.

Does this tool work on mobile devices?

Yes, JSON to C# Classes is fully responsive and works on smartphones and tablets. It runs in any modern browser including Chrome, Firefox, Safari, and Edge.

What is JSON and why is it used?

JSON (JavaScript Object Notation) is a lightweight text format for storing and exchanging data. It is the standard format for REST APIs, configuration files, and data storage because it is human-readable and supported by virtually every programming language.

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