Newtonsoft.Json 13.0.5-beta1

Logo Json.NET

NuGet version (Newtonsoft.Json) Build status

Json.NET is a popular high-performance JSON framework for .NET

Serialize JSON

Product product = new Product();
product.Name = "Apple";
product.Expiry = new DateTime(2008, 12, 28);
product.Sizes = new string[] { "Small" };

string json = JsonConvert.SerializeObject(product);
// {
//   "Name": "Apple",
//   "Expiry": "2008-12-28T00:00:00",
//   "Sizes": [
//     "Small"
//   ]
// }

Deserialize JSON

string json = @"{
  'Name': 'Bad Boys',
  'ReleaseDate': '1995-4-7T00:00:00',
  'Genres': [
    'Action',
    'Comedy'
  ]
}";

Movie m = JsonConvert.DeserializeObject<Movie>(json);

string name = m.Name;
// Bad Boys

LINQ to JSON

JArray array = new JArray();
array.Add("Manual text");
array.Add(new DateTime(2000, 5, 23));

JObject o = new JObject();
o["MyArray"] = array;

string json = o.ToString();
// {
//   "MyArray": [
//     "Manual text",
//     "2000-05-23T00:00:00"
//   ]
// }

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.NET Framework 2.0

  • No dependencies.

.NET Standard 2.0

  • No dependencies.

.NET 6.0

  • No dependencies.

.NET Standard 1.3

.NET Standard 1.0

.NET Framework 4.5

  • No dependencies.

.NET Framework 4.0

  • No dependencies.

.NET Framework 3.5

  • No dependencies.

Version Downloads Last updated
13.0.5-beta1 3 1/30/2026
13.0.4 12 9/29/2025
13.0.4-beta1 12 8/12/2025
13.0.3 26 8/6/2023
13.0.2 24 6/8/2024
13.0.1 21 8/6/2023
12.0.3 19 3/11/2024
12.0.2 17 3/7/2025
12.0.1 12 1/3/2024
11.0.2 19 7/24/2023
11.0.1 17 12/6/2024
10.0.3 14 7/24/2023
10.0.2 18 3/7/2025
10.0.1 18 12/3/2024
9.0.1 18 3/7/2025
8.0.3 17 3/7/2025
8.0.2 16 3/7/2025
8.0.1 13 3/7/2025
7.0.1 18 3/7/2025
6.0.8 12 3/7/2025
6.0.7 17 3/7/2025
6.0.6 14 3/7/2025
6.0.5 17 3/7/2025
6.0.4 15 3/7/2025
6.0.3 14 3/7/2025
6.0.2 15 3/7/2025
6.0.1 12 3/7/2025
5.0.8 17 3/7/2025
5.0.7 16 3/7/2025
5.0.6 14 3/7/2025
5.0.5 16 3/7/2025
5.0.4 13 3/7/2025
5.0.3 15 3/7/2025
5.0.2 16 3/7/2025
5.0.1 16 3/7/2025
4.5.11 13 3/7/2025
4.5.10 15 3/7/2025
4.5.9 15 3/7/2025
4.5.8 18 3/7/2025
4.5.7 19 3/7/2025
4.5.6 19 3/7/2025
4.5.5 15 3/7/2025
4.5.4 15 3/7/2025
4.5.3 13 3/7/2025
4.5.2 16 3/7/2025
4.5.1 12 3/7/2025
4.0.8 16 3/7/2025
4.0.7 17 3/7/2025
4.0.6 15 3/7/2025
4.0.5 20 3/7/2025
4.0.4 17 3/7/2025
4.0.3 12 3/7/2025
4.0.2 18 3/7/2025
4.0.1 15 3/7/2025
3.5.8 17 3/7/2025