About
C#

JSON to C#

Generate C# classes and System.Text.Json mappings

Usage guide and feature details

What is a JSON to C# class generator for?

Generated models are suitable for ASP.NET Core, API clients and .NET applications, with original JSON keys preserved and common CLR types inferred automatically.

JSON to C# is a free online utility for development, testing, and everyday data tasks. It is designed to Generate C# classes and System.Text.Json mappings. No software installation or account is required.

Key features of JSON to C#

  • Process input instantly and spend less time switching between editors, terminals, and third-party apps.
  • Calculations run in your current browser by default, making the tool suitable for code, configuration, and debugging data.
  • Use essential features without registration, sign-in, or routine usage limits.
  • Works on desktop and mobile browsers with clear results that are easy to edit, copy, or download.

How to use JSON to C#

  1. Enter, paste, or select the content in the tool above, then adjust any available options.
  2. Choose the relevant action and JSON to C# will process and validate the input directly in your browser.
  3. Review the output, make any required changes, then copy the result or download the available file.

Common uses for JSON to C#

Use JSON to C# while building front-end pages, debugging APIs, reviewing configuration, preparing test data, or working on technical documentation. It helps you Generate C# classes and System.Text.Json mappings, which is useful for quick checks, one-off conversions, and repetitive development tasks.

Frequently asked questions about JSON to C#

Is JSON to C# free to use?

Yes. JSON to C# is free to use without registration and is designed to Generate C# classes and System.Text.Json mappings.

Is my input uploaded when I use JSON to C#?

This tool runs locally in your browser. Your input is never sent to our servers.