System.Text.Json.JsonSerializer

Added in .NET 5.0 (or Core 3.0).
A class to serialize objects or value types to JSON and to deserialize JSON into objects or value types.

Method - Serialize

System.Text.Json.JsonSerializer
Provides functionality to serialize objects or value types to JSON and to deserialize JSON into objects or value types.

Method - Deserialize

System.Text.Json.JsonSerializer
Converts a JsonDocument representing a single JSON value into a returnType.