Json.NET is a popular high-performance JSON framework for .NET Flexible JSON serializer for converting between .NET objects and JSON LINQ to JSON for manually reading and writing JSON High performance: faster than .NET's built-in JSON serializers Write indented, easy-to-read JSON Convert JSON to and from XML Supports .NET Standard 2.0, .NET 2, .NET 3.5, .NET 4, .NET 4.5, Silverlight, Windows Phone