A sample JSON response is often the fastest path to a usable DTO in a .NET app. Converting that payload into C# records or classes helps you skip boilerplate and get straight to serialization, validation, and business logic.
What Is the JSON to C#?
JSON to C# is one of the tools in WebdevToolbox’s JSON Tools category. Generate C# records or classes with JsonPropertyName attributes from JSON data. It runs entirely in your browser — no server uploads, no accounts, no waiting.
How to Use It
- Open the tool at /tools/json-to-csharp.
- Paste a sample JSON object or array into the input field.
- Review the generated C# records or classes with JsonPropertyName attributes as they update in real time.
- Use the Copy button to copy the code into your .NET project.
Key Features
- 100% client-side — all processing happens in your browser. Nothing is sent to a server.
- Real-time code generation — C# output updates as soon as you change the sample JSON.
- Records or classes — generate a strong starting point for DTOs without hand-writing every property.
- JsonPropertyName attributes — field mappings are prepared for common System.Text.Json serialization patterns.
- One-click copy — copy the generated code to your clipboard with a single button press.
When to Use the JSON to C#
- ASP.NET integration — create request or response models from an external API payload before wiring up controllers or clients.
- Desktop tooling — turn JSON config or export data into typed classes for a WinForms, WPF, or console app.
- Test data modeling — use a captured payload to build DTOs for integration tests and serializers.
Try It Now
Open JSON to C# directly from anywhere on the site using ⌘K and typing the tool name. No login required — everything runs offline-capable in your browser.
Part of the JSON Tools collection on WebdevToolbox — free, browser-based developer tools with no login required.