diff --git a/MinecraftLaunch.Test/Program.cs b/MinecraftLaunch.Test/Program.cs
index 41a676c..61f617b 100644
--- a/MinecraftLaunch.Test/Program.cs
+++ b/MinecraftLaunch.Test/Program.cs
@@ -1,8 +1,8 @@
 //
-using MinecraftLaunch.Components.Authenticator;
 using MinecraftLaunch.Components.Fetcher;
 using MinecraftLaunch.Components.Launcher;
 using MinecraftLaunch.Components.Resolver;
+using MinecraftLaunch.Components.Authenticator;
 
 var resolver = new GameResolver("C:\\Users\\w\\Desktop\\temp\\.minecraft");
 Launcher launcher = new(resolver, new(new OfflineAuthenticator("Yang114").Authenticate()) {
diff --git a/MinecraftLaunch/Components/Converter/AccountJsonConverter.cs b/MinecraftLaunch/Components/Converter/AccountJsonConverter.cs
new file mode 100644
index 0000000..8b9d976
--- /dev/null
+++ b/MinecraftLaunch/Components/Converter/AccountJsonConverter.cs
@@ -0,0 +1,44 @@
+using System.Text.Json.Serialization;
+using System.Text.Json;
+using MinecraftLaunch.Classes.Models.Auth;
+using MinecraftLaunch.Classes.Enums;
+
+namespace MinecraftLaunch.Components.Converter {
+    public class AccountJsonConverter : JsonConverter<Account> {
+        public override bool CanConvert(Type typeToConvert) {
+            return typeToConvert == typeof(Account);
+        }
+
+        public override Account Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) {
+            using var jsonDoc = JsonDocument.ParseValue(ref reader);
+            var root = jsonDoc.RootElement;
+            var accountType = (AccountType)root.GetProperty("Type").GetInt32();
+
+            return accountType switch {
+                AccountType.Offline => new OfflineAccount {
+                    AccessToken = root.GetProperty("AccessToken").GetString(),
+                    Name = root.GetProperty("Name").GetString(),
+                    Uuid = root.GetProperty("Uuid").GetGuid()
+                },
+                AccountType.Microsoft => new MicrosoftAccount {
+                    AccessToken = root.GetProperty("AccessToken").GetString()!,
+                    Name = root.GetProperty("Name").GetString(),
+                    Uuid = root.GetProperty("Uuid").GetGuid(),
+                    RefreshToken = root.GetProperty("RefreshToken").GetString()
+                },
+                AccountType.Yggdrasil => new YggdrasilAccount {
+                    AccessToken = root.GetProperty("AccessToken").GetString(),
+                    ClientToken = root.GetProperty("ClientToken").GetString(),
+                    Name = root.GetProperty("Name").GetString(),
+                    Uuid = root.GetProperty("Uuid").GetGuid(),
+                    YggdrasilServerUrl = root.GetProperty("YggdrasilServerUrl").GetString()
+                },
+                _ => default!
+            };
+        }
+
+        public override void Write(Utf8JsonWriter writer, Account value, JsonSerializerOptions options) {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/MinecraftLaunch/MinecraftLaunch.csproj b/MinecraftLaunch/MinecraftLaunch.csproj
index 943a5ca..8a41f2c 100644
--- a/MinecraftLaunch/MinecraftLaunch.csproj
+++ b/MinecraftLaunch/MinecraftLaunch.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
-		<Version>3.0.0-preview4</Version>
+		<Version>3.0.0-preview5</Version>
 	</PropertyGroup>
 	
 	<PropertyGroup>
diff --git a/MinecraftLaunch/Utilities/JsonConverterUtil.cs b/MinecraftLaunch/Utilities/JsonConverterUtil.cs
index b50184e..be84f31 100644
--- a/MinecraftLaunch/Utilities/JsonConverterUtil.cs
+++ b/MinecraftLaunch/Utilities/JsonConverterUtil.cs
@@ -11,6 +11,7 @@ private static JsonSerializerOptions Get() {
                 Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping,
             };
 
+            options.Converters.Add(new AccountJsonConverter());
             options.Converters.Add(new PlatformEnumToStringJsonConverter());
 
             return options;