using static System.Console; using System.Linq; public class Program { public static void Main() { var header = new string[2] { "nome", "endereco" }; var joao = new string[2] { "joão", "rua santa cruz, 28" }; var json = header.Zip(joao, (head, data) => "\"" + head + "\" : \"" + data + "\""); foreach (var item in json) WriteLine(item); } } //https://pt.stackoverflow.com/q/436595/101