Newtonsoft.Json 13.0.3

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"
//   ]
// }

Showing the top 20 packages that depend on Newtonsoft.Json.

Packages Downloads
Newtonsoft.Json.Bson
Json.NET BSON adds support for reading and writing BSON
 9
Kavenegar
Kavenegar API in .NET
 8
Microsoft.IdentityModel.Protocols.OpenIdConnect
Includes types that provide support for OpenIdConnect protocol.
 8
Microsoft.AspNetCore.JsonPatch
ASP.NET Core support for JSON PATCH. This package was built from the source code at https://github.com/dotnet/aspnetcore/tree/fa4d80b76c2431a825be026f6bbabca63e1f42ef
 8
Microsoft.AspNetCore.Mvc.NewtonsoftJson
ASP.NET Core MVC features that use Newtonsoft.Json. Includes input and output formatters for JSON and JSON PATCH. This package was built from the source code at https://github.com/dotnet/aspnetcore/tree/fa4d80b76c2431a825be026f6bbabca63e1f42ef
 8
AspNetCoreRateLimit
ASP.NET Core rate limiting middleware
 8
Microsoft.AspNetCore.JsonPatch
ASP.NET Core support for JSON PATCH.
 7
Microsoft.Extensions.DependencyModel
Abstractions for reading `.deps` files.
 7
Microsoft.IdentityModel.JsonWebTokens
Includes types that provide support for creating, serializing and validating JSON Web Tokens.
 7
Microsoft.IdentityModel.Tokens
Includes types that provide support for SecurityTokens, Cryptographic operations: Signing, Verifying Signatures, Encryption.
 7
NJsonSchema
JSON Schema reader, generator and validator for .NET
 7
NSwag.Core
NSwag: The OpenAPI/Swagger API toolchain for .NET and TypeScript
 7
NSwag.Generation
NSwag: The OpenAPI/Swagger API toolchain for .NET and TypeScript
 7
System.IdentityModel.Tokens.Jwt
Includes types that provide support for creating, serializing and validating JSON Web Tokens.
 7
NJsonSchema
JSON Schema reader, generator and validator for .NET
 6
NSwag.Core
NSwag: The OpenAPI/Swagger API toolchain for .NET and TypeScript
 6
NSwag.Generation
NSwag: The OpenAPI/Swagger API toolchain for .NET and TypeScript
 6
Microsoft.AspNetCore.JsonPatch
ASP.NET Core support for JSON PATCH. This package was built from the source code at https://github.com/dotnet/aspnetcore/tree/ed74665e773dd1ebea3289c5662d71c590305932
 6
Microsoft.AspNetCore.Mvc.NewtonsoftJson
ASP.NET Core MVC features that use Newtonsoft.Json. Includes input and output formatters for JSON and JSON PATCH. This package was built from the source code at https://github.com/dotnet/aspnetcore/tree/ed74665e773dd1ebea3289c5662d71c590305932
 6
NJsonSchema
JSON Schema reader, generator and validator for .NET
 5

.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
13.0.3 9 6/23/2025
13.0.2 8 7/27/2025
13.0.1 4 6/22/2025
12.0.3 8 6/23/2025
12.0.2 8 6/27/2025
11.0.2 0 6/23/2025
10.0.1 0 6/23/2025
9.0.1 0 6/23/2025
7.0.1 1 6/24/2025
6.0.4 1 6/27/2025
5.0.4 0 6/27/2025
4.5.11 0 6/27/2025
4.5.6 1 7/9/2025