CSV to JSON Converter for C# / .NET Developers

// Install: dotnet add package CsvHelper
using CsvHelper;
using System.Globalization;
using System.Text.Json;

using var reader = new StreamReader("data.csv");
using var csv = new CsvReader(reader, CultureInfo.InvariantCulture);

var records = csv.GetRecords<dynamic>().ToList();
string json = JsonSerializer.Serialize(records, new JsonSerializerOptions { WriteIndented = true });
Console.WriteLine(json);

// Typed records
record User(string Name, int Age, string City);
using var r2 = new StreamReader("users.csv");
using var c2 = new CsvReader(r2, CultureInfo.InvariantCulture);
var users = c2.GetRecords<User>().ToList();