Free, 100% client-side private JSON to C# Classes (System.Text.Json) converter. Transform syntax instantly in your browser with zero data logging, strict AST validation, and CLI support.
#nullable enable
using System.Text.Json.Serialization;
using System.Collections.Generic;
public class Root
{
[JsonPropertyName("id")]
public string Id { get; set; }
[JsonPropertyName("name")]
public string Name { get; set; }
[JsonPropertyName("email")]
public string Email { get; set; }
[JsonPropertyName("role")]
public string Role { get; set; }
[JsonPropertyName("active")]
public bool Active { get; set; }
[JsonPropertyName("preferences")]
public RootPreferences Preferences { get; set; }
[JsonPropertyName("tags")]
public List<string> Tags { get; set; }
}
public class RootPreferences
{
[JsonPropertyName("theme")]
public string Theme { get; set; }
[JsonPropertyName("notifications")]
public bool Notifications { get; set; }
[JsonPropertyName("retries")]
public double Retries { get; set; }
}Paste or type your source JSON syntax into the input editor pane.
The parser validates data structure in real-time, building an in-memory AST without sending any bytes to external servers.
Inspect the formatted C# Classes (System.Text.Json) output generated instantly in the output preview pane.
Copy the result to your clipboard, download as a .cs file, or chain it into a multi-step DevFlow pipeline.
100% Client-Side Private: All transformations execute entirely within your browser memory; zero payload logging.
Strict AST Preservation: Retains nested objects, arrays, types, and schema contracts accurately.
Instant Interactive Feedback: Real-time syntax validation with line-specific error reporting.
DevFlow CLI Compatible: Automate identical conversions directly inside your terminal, pre-commit hooks, or CI pipelines.
Run this transformation offline using the high-performance DevFlow CLI inside GitHub Actions, GitLab CI, or pre-commit hooks.
devflow convert json csharp -i data.json -o output.csPrettify, minify, and validate JSON data instantly.
Repair and fix malformed JSON data from AI outputs, API responses, and copy-paste.
Interactive jq expression tester, filter builder, and JSON transformer powered by WebAssembly.
Convert JSON to C# classes with System.Text.Json or Newtonsoft serialization.