diff --git a/src/Library/Sucrose.Manager/Manage/Manager.cs b/src/Library/Sucrose.Manager/Manage/Manager.cs
index c37965bb8..57d23db38 100644
--- a/src/Library/Sucrose.Manager/Manage/Manager.cs
+++ b/src/Library/Sucrose.Manager/Manage/Manager.cs
@@ -79,6 +79,8 @@ public static class Manager
 
         public static bool LibraryDelete => SMMI.LibrarySettingManager.GetSetting(SMC.LibraryDelete, false);
 
+        public static bool DeveloperMode => SMMI.EngineSettingManager.GetSetting(SMC.DeveloperMode, false);
+
         public static bool VolumeDesktop => SMMI.EngineSettingManager.GetSetting(SMC.VolumeDesktop, false);
 
         public static List<string> Themes => SMMI.ThemesManager.GetSetting(SMC.Themes, new List<string>());
diff --git a/src/Library/Sucrose.Memory/Constant.cs b/src/Library/Sucrose.Memory/Constant.cs
index 8123f9835..f4136d35b 100644
--- a/src/Library/Sucrose.Memory/Constant.cs
+++ b/src/Library/Sucrose.Memory/Constant.cs
@@ -100,6 +100,8 @@ public static class Constant
 
         public const string StoreDuration = "StoreDuration";
 
+        public const string DeveloperMode = "DeveloperMode";
+
         public const string LibraryConfirm = "LibraryConfirm";
 
         public const string AdaptiveLayout = "AdaptiveLayout";
diff --git a/src/Portal/Sucrose.Portal/ViewModels/Pages/Setting/OtherSettingViewModel.cs b/src/Portal/Sucrose.Portal/ViewModels/Pages/Setting/OtherSettingViewModel.cs
index 35e356037..aef8917d2 100644
--- a/src/Portal/Sucrose.Portal/ViewModels/Pages/Setting/OtherSettingViewModel.cs
+++ b/src/Portal/Sucrose.Portal/ViewModels/Pages/Setting/OtherSettingViewModel.cs
@@ -201,6 +201,38 @@ private void InitializeViewModel()
 
             Contents.Add(Key);
 
+            TextBlock DeveloperArea = new()
+            {
+                Foreground = SSRER.GetResource<Brush>("TextFillColorPrimaryBrush"),
+                Margin = new Thickness(0, 10, 0, 0),
+                FontWeight = FontWeights.Bold,
+                Text = "Geliştirici"
+            };
+
+            Contents.Add(DeveloperArea);
+
+            SPVCEC Developer = new()
+            {
+                Margin = new Thickness(0, 10, 0, 0),
+                Expandable = false
+            };
+
+            Developer.Title.Text = "Geliştirici Araçları";
+            Developer.LeftIcon.Symbol = SymbolRegular.WindowDevTools24;
+            Developer.Description.Text = "WebView ve CefSharp motoru için geliştirici araçlarının gösterilip gösterilmeyeceği.";
+
+            ToggleSwitch DeveloperState = new()
+            {
+                IsChecked = SMMM.DeveloperMode
+            };
+
+            DeveloperState.Checked += (s, e) => DeveloperStateChecked(true);
+            DeveloperState.Unchecked += (s, e) => DeveloperStateChecked(false);
+
+            Developer.HeaderFrame = DeveloperState;
+
+            Contents.Add(Developer);
+
             _isInitialized = true;
         }
 
@@ -234,6 +266,11 @@ private void UserAgentChanged(TextBox TextBox)
             SMMI.GeneralSettingManager.SetSetting(SMC.UserAgent, TextBox.Text);
         }
 
+        private void DeveloperStateChecked(bool State)
+        {
+            SMMI.EngineSettingManager.SetSetting(SMC.DeveloperMode, State);
+        }
+
         private void DiscordDelayChanged(double? Value)
         {
             int NewValue = Convert.ToInt32(Value);
diff --git a/src/Portal/Sucrose.Portal/ViewModels/Pages/Setting/PerformanceSettingViewModel.cs b/src/Portal/Sucrose.Portal/ViewModels/Pages/Setting/PerformanceSettingViewModel.cs
index 4823811fe..f9505bb2f 100644
--- a/src/Portal/Sucrose.Portal/ViewModels/Pages/Setting/PerformanceSettingViewModel.cs
+++ b/src/Portal/Sucrose.Portal/ViewModels/Pages/Setting/PerformanceSettingViewModel.cs
@@ -249,15 +249,26 @@ private void InitializeViewModel()
                 MaxWidth = 700
             };
 
-            NetworkAdapter.SelectionChanged += (s, e) => NetworkAdapterSelected($"{NetworkAdapter.SelectedValue}");
+            if (SMMM.NetworkInterfaces.Any())
+            {
+                NetworkAdapter.SelectionChanged += (s, e) => NetworkAdapterSelected($"{NetworkAdapter.SelectedValue}");
+
+                foreach (string Interface in SMMM.NetworkInterfaces)
+                {
+                    NetworkAdapter.Items.Add(Interface);
+                }
 
-            foreach (string Interface in SMMM.NetworkInterfaces)
+                NetworkAdapter.SelectedValue = SMMM.NetworkAdapter;
+            }
+            else
             {
-                NetworkAdapter.Items.Add(Interface);
+                NetworkAdapter.Items.Add(new ComboBoxItem()
+                {
+                    Content = "Ağ adaptörleri listesi henüz oluşturulmadı",
+                    IsSelected = true
+                });
             }
 
-            NetworkAdapter.SelectedValue = SMMM.NetworkAdapter;
-
             StackPanel NetworkUploadContent = new()
             {
                 Orientation = Orientation.Horizontal,
diff --git a/src/Shared/Engine/Sucrose.Shared.Engine.CefSharp/Event/Url.cs b/src/Shared/Engine/Sucrose.Shared.Engine.CefSharp/Event/Url.cs
index bec220350..a02281eec 100644
--- a/src/Shared/Engine/Sucrose.Shared.Engine.CefSharp/Event/Url.cs
+++ b/src/Shared/Engine/Sucrose.Shared.Engine.CefSharp/Event/Url.cs
@@ -1,5 +1,6 @@
 using CefSharp;
 using System.Windows;
+using SMMM = Sucrose.Manager.Manage.Manager;
 using SSECSHM = Sucrose.Shared.Engine.CefSharp.Helper.Management;
 using SSECSMI = Sucrose.Shared.Engine.CefSharp.Manage.Internal;
 using SSEMI = Sucrose.Shared.Engine.Manage.Internal;
@@ -27,7 +28,10 @@ public static void CefEngineLoaded(object sender, RoutedEventArgs e)
         {
             SSECSMI.CefEngine.Address = SSECSMI.Url;
 
-            //SSECSMI.CefEngine.ShowDevTools();
+            if (SMMM.DeveloperMode)
+            {
+                SSECSMI.CefEngine.ShowDevTools();
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/src/Shared/Engine/Sucrose.Shared.Engine.CefSharp/Event/Video.cs b/src/Shared/Engine/Sucrose.Shared.Engine.CefSharp/Event/Video.cs
index b3a353112..44baaf857 100644
--- a/src/Shared/Engine/Sucrose.Shared.Engine.CefSharp/Event/Video.cs
+++ b/src/Shared/Engine/Sucrose.Shared.Engine.CefSharp/Event/Video.cs
@@ -1,5 +1,6 @@
 using CefSharp;
 using System.Windows;
+using SMMM = Sucrose.Manager.Manage.Manager;
 using SSECSHV = Sucrose.Shared.Engine.CefSharp.Helper.Video;
 using SSECSMI = Sucrose.Shared.Engine.CefSharp.Manage.Internal;
 using SSEHD = Sucrose.Shared.Engine.Helper.Data;
@@ -29,7 +30,10 @@ public static void CefEngineFrameLoadEnd(object sender, FrameLoadEndEventArgs e)
 
         public static void CefEngineLoaded(object sender, RoutedEventArgs e)
         {
-            //SSECSMI.CefEngine.ShowDevTools();
+            if (SMMM.DeveloperMode)
+            {
+                SSECSMI.CefEngine.ShowDevTools();
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/src/Shared/Engine/Sucrose.Shared.Engine.CefSharp/Event/Web.cs b/src/Shared/Engine/Sucrose.Shared.Engine.CefSharp/Event/Web.cs
index 7b8c5ea13..e153aeb05 100644
--- a/src/Shared/Engine/Sucrose.Shared.Engine.CefSharp/Event/Web.cs
+++ b/src/Shared/Engine/Sucrose.Shared.Engine.CefSharp/Event/Web.cs
@@ -1,5 +1,6 @@
 using CefSharp;
 using System.Windows;
+using SMMM = Sucrose.Manager.Manage.Manager;
 using SSECSHW = Sucrose.Shared.Engine.CefSharp.Helper.Web;
 using SSECSMI = Sucrose.Shared.Engine.CefSharp.Manage.Internal;
 using SSEHP = Sucrose.Shared.Engine.Helper.Properties;
@@ -28,7 +29,10 @@ public static void CefEngineLoaded(object sender, RoutedEventArgs e)
         {
             SSECSMI.CefEngine.Address = SSEHS.GetSource(SSECSMI.Web).ToString();
 
-            //SSECSMI.CefEngine.ShowDevTools();
+            if (SMMM.DeveloperMode)
+            {
+                SSECSMI.CefEngine.ShowDevTools();
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/src/Shared/Engine/Sucrose.Shared.Engine.CefSharp/Event/YouTube.cs b/src/Shared/Engine/Sucrose.Shared.Engine.CefSharp/Event/YouTube.cs
index c9bf9654c..359fc1a60 100644
--- a/src/Shared/Engine/Sucrose.Shared.Engine.CefSharp/Event/YouTube.cs
+++ b/src/Shared/Engine/Sucrose.Shared.Engine.CefSharp/Event/YouTube.cs
@@ -1,5 +1,6 @@
 using CefSharp;
 using System.Windows;
+using SMMM = Sucrose.Manager.Manage.Manager;
 using SSECSMI = Sucrose.Shared.Engine.CefSharp.Manage.Internal;
 using SSEHD = Sucrose.Shared.Engine.Helper.Data;
 using SSEHS = Sucrose.Shared.Engine.Helper.Source;
@@ -32,7 +33,10 @@ public static void CefEngineLoaded(object sender, RoutedEventArgs e)
 
             SSECSMI.CefEngine.Address = SSEHS.GetSource(Path).ToString();
 
-            //SSECSMI.CefEngine.ShowDevTools();
+            if (SMMM.DeveloperMode)
+            {
+                SSECSMI.CefEngine.ShowDevTools();
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/src/Shared/Engine/Sucrose.Shared.Engine.WebView/Event/Url.cs b/src/Shared/Engine/Sucrose.Shared.Engine.WebView/Event/Url.cs
index 54bb8c6e0..55f595ebd 100644
--- a/src/Shared/Engine/Sucrose.Shared.Engine.WebView/Event/Url.cs
+++ b/src/Shared/Engine/Sucrose.Shared.Engine.WebView/Event/Url.cs
@@ -29,7 +29,10 @@ public static void WebEngineInitializationCompleted(object sender, CoreWebView2I
             SSEWVMI.WebEngine.CoreWebView2.ContentLoading += WebEngineContentLoading;
             SSEWVMI.WebEngine.CoreWebView2.DOMContentLoaded += WebEngineDOMContentLoaded;
 
-            //SSEWVMI.WebEngine.CoreWebView2.OpenDevToolsWindow();
+            if (SMMM.DeveloperMode)
+            {
+                SSEWVMI.WebEngine.CoreWebView2.OpenDevToolsWindow();
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/src/Shared/Engine/Sucrose.Shared.Engine.WebView/Event/Video.cs b/src/Shared/Engine/Sucrose.Shared.Engine.WebView/Event/Video.cs
index 314ddb483..a2312bc31 100644
--- a/src/Shared/Engine/Sucrose.Shared.Engine.WebView/Event/Video.cs
+++ b/src/Shared/Engine/Sucrose.Shared.Engine.WebView/Event/Video.cs
@@ -43,7 +43,10 @@ public static void WebEngineInitializationCompleted(object sender, CoreWebView2I
 
             SSEWVMI.WebEngine.CoreWebView2.DOMContentLoaded += WebEngineDOMContentLoaded;
 
-            //SSEWVMI.WebEngine.CoreWebView2.OpenDevToolsWindow();
+            if (SMMM.DeveloperMode)
+            {
+                SSEWVMI.WebEngine.CoreWebView2.OpenDevToolsWindow();
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/src/Shared/Engine/Sucrose.Shared.Engine.WebView/Event/Web.cs b/src/Shared/Engine/Sucrose.Shared.Engine.WebView/Event/Web.cs
index 9ab00e451..8289dce92 100644
--- a/src/Shared/Engine/Sucrose.Shared.Engine.WebView/Event/Web.cs
+++ b/src/Shared/Engine/Sucrose.Shared.Engine.WebView/Event/Web.cs
@@ -30,7 +30,10 @@ public static void WebEngineInitializationCompleted(object sender, CoreWebView2I
 
             SSEWVMI.WebEngine.CoreWebView2.DOMContentLoaded += WebEngineDOMContentLoaded;
 
-            //SSEWVMI.WebEngine.CoreWebView2.OpenDevToolsWindow();
+            if (SMMM.DeveloperMode)
+            {
+                SSEWVMI.WebEngine.CoreWebView2.OpenDevToolsWindow();
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/src/Shared/Engine/Sucrose.Shared.Engine.WebView/Event/YouTube.cs b/src/Shared/Engine/Sucrose.Shared.Engine.WebView/Event/YouTube.cs
index 62a0eaebc..7ca9782fe 100644
--- a/src/Shared/Engine/Sucrose.Shared.Engine.WebView/Event/YouTube.cs
+++ b/src/Shared/Engine/Sucrose.Shared.Engine.WebView/Event/YouTube.cs
@@ -33,7 +33,10 @@ public static void WebEngineInitializationCompleted(object sender, CoreWebView2I
 
             SSEWVMI.WebEngine.CoreWebView2.DOMContentLoaded += WebEngineDOMContentLoaded;
 
-            //SSEWVMI.WebEngine.CoreWebView2.OpenDevToolsWindow();
+            if (SMMM.DeveloperMode)
+            {
+                SSEWVMI.WebEngine.CoreWebView2.OpenDevToolsWindow();
+            }
         }
     }
 }
\ No newline at end of file