Utf8Json
A high-performance, zero-allocation JSON serializer for C# that reads/writes directly to UTF8 binary.
What is Utf8Json?
Utf8Json is a high-performance JSON serializer for C# that reads and writes directly to UTF8 binary data, avoiding the overhead of string encoding and Stream layers. It is designed to be the fastest JSON serializer for .NET, .NET Core, Unity, and Xamarin, with a focus on zero memory allocation and cross-platform compatibility.
C# developers building high-performance applications, especially those using .NET Core, Unity, or Xamarin, who need efficient JSON serialization for APIs, data storage, or inter-process communication.
Developers choose Utf8Json for its unmatched speed and minimal memory footprint, achieved through direct UTF8 binary processing and optimized algorithms, making it ideal for performance-critical scenarios where other serializers introduce overhead.
Overview
Definitely Fastest and Zero Allocation JSON Serializer for C#(NET, .NET Core, Unity, Xamarin).
Use Cases
Best For
- High-performance web APIs in ASP.NET Core requiring low-latency JSON responses
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