diff --git a/src/PinguApps.Appwrite.Shared/Utils/TokenUtils.cs b/src/PinguApps.Appwrite.Shared/Utils/TokenUtils.cs
new file mode 100644
index 00000000..ce89bb6a
--- /dev/null
+++ b/src/PinguApps.Appwrite.Shared/Utils/TokenUtils.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace PinguApps.Appwrite.Shared.Utils;
+public static class TokenUtils
+{
+    internal record SessionToken(
+        [property: JsonPropertyName("id")] string Id,
+        [property: JsonPropertyName("secret")] string Secret
+    );
+
+    public static string GetSessionToken(string userId, string secret)
+    {
+        var session = new SessionToken(userId, secret);
+
+        var jsonBytes = JsonSerializer.SerializeToUtf8Bytes(session);
+
+        return Convert.ToBase64String(jsonBytes);
+    }
+}
diff --git a/tests/PinguApps.Appwrite.Shared.Tests/Utils/TokenUtilsTests.cs b/tests/PinguApps.Appwrite.Shared.Tests/Utils/TokenUtilsTests.cs
new file mode 100644
index 00000000..46f815f3
--- /dev/null
+++ b/tests/PinguApps.Appwrite.Shared.Tests/Utils/TokenUtilsTests.cs
@@ -0,0 +1,25 @@
+using System.Text.Json;
+using PinguApps.Appwrite.Shared.Utils;
+
+namespace PinguApps.Appwrite.Shared.Tests.Utils;
+public class TokenUtilsTests
+{
+    [Fact]
+    public void GetSessionToken_ShouldReturnBase64EncodedString()
+    {
+        // Arrange
+        string userId = "testUser";
+        string secret = "testSecret";
+
+        // Act
+        string result = TokenUtils.GetSessionToken(userId, secret);
+
+        // Assert
+        Assert.NotNull(result);
+        var jsonBytes = Convert.FromBase64String(result);
+        var session = JsonSerializer.Deserialize<TokenUtils.SessionToken>(jsonBytes);
+        Assert.NotNull(session);
+        Assert.Equal(userId, session.Id);
+        Assert.Equal(secret, session.Secret);
+    }
+}