Formatting JSON in C# with System.Text.Json and Newtonsoft
Format JSON in C# using System.Text.Json and Newtonsoft.Json (Json.NET). Covers JsonSerializerOptions, indentation, and camelCase conversion.
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Tags: json, csharp, developer-tools
Formatting JSON in C# with System.Text.Json and Newtonsoft C# developers have two mature JSON libraries to choose from: , which ships built into .NET Core 3.0+ and .NET 5+, and (Json.NET), the long-standing NuGet package that dominated the .NET ecosystem for a decade. Both are production-ready. The right choice depends on your .NET version, performance requirements, and how much legacy code is involved. System.Text.Json: The Built-In Option is available without any NuGet packages in .NET Core 3.0 and later. It's faster than Newtonsoft for most workloads and is the recommended choice for new .NET 6+ projects. is the only thing needed for pretty-printing. The default indentation is 2 spaces — consistent with the JavaScript ecosystem and not configurable without a custom .…
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