diff --git a/nvidiaProfileInspector/Common/Helper/UserSettings.cs b/nvidiaProfileInspector/Common/Helper/UserSettings.cs
index 4e915e1..15b0a56 100644
--- a/nvidiaProfileInspector/Common/Helper/UserSettings.cs
+++ b/nvidiaProfileInspector/Common/Helper/UserSettings.cs
@@ -81,6 +81,9 @@ namespace nvidiaProfileInspector.Common.Helper
         // enabled as setting sources.
         public bool AllowMetaFromInactiveSources { get; set; } = true;
 
+        // Prefix the setting id to the setting name in the list. Off by default.
+        public bool ShowSettingIdInName { get; set; } = false;
+
         private static string GetSettingsFilename()
         {
             var fiPortalbleSettings = new FileInfo("settings.xml");
diff --git a/nvidiaProfileInspector/UI/ViewModels/MainViewModel.cs b/nvidiaProfileInspector/UI/ViewModels/MainViewModel.cs
index 560c9d6..a6bf66f 100644
--- a/nvidiaProfileInspector/UI/ViewModels/MainViewModel.cs
+++ b/nvidiaProfileInspector/UI/ViewModels/MainViewModel.cs
@@ -72,6 +72,7 @@ namespace nvidiaProfileInspector.UI.ViewModels
         private bool _addPredefinedAppListToCommon;
         private bool _addRawValueToCommon;
         private bool _allowMetaFromInactiveSources = true;
+        private bool _showSettingIdInName;
         private bool _isFilterMenuOpen;
         private DateTime _filterMenuClosedAt = DateTime.MinValue;
         private bool _isInitializing;
@@ -287,6 +288,24 @@ namespace nvidiaProfileInspector.UI.ViewModels
             set { if (SetProperty(ref _allowMetaFromInactiveSources, value, nameof(AllowMetaFromInactiveSources))) OnSourceFilterChanged(); }
         }
 
+        // Setting-source sub-option: prefix the setting id to the name. Display only - just
+        // recomputes the cached DisplayName, no profile reload (keeps scroll perf intact).
+        public bool ShowSettingIdInName
+        {
+            get => _showSettingIdInName;
+            set
+            {
+                if (SetProperty(ref _showSettingIdInName, value, nameof(ShowSettingIdInName)))
+                {
+                    if (_isInitializing)
+                        return;
+
+                    ApplySettingIdInName();
+                    SaveFilterPreferences();
+                }
+            }
+        }
+
         // Availability flags used to disable flyout entries for sources that aren't present.
         public bool IsReferenceAvailable => _metaService?.HasReferenceSource ?? false;
 
@@ -572,6 +591,7 @@ namespace nvidiaProfileInspector.UI.ViewModels
         public ICommand ImportProfileCommand { get; private set; }
         public ICommand OpenBitEditorCommand { get; private set; }
         public ICommand ResetValueCommand { get; private set; }
+        public ICommand CopySettingIdCommand { get; private set; }
         public ICommand CopySettingsCommand { get; private set; }
         public ICommand ToggleDevModeCommand { get; private set; }
         public ICommand NavigateToGlobalCommand { get; private set; }
@@ -623,6 +643,7 @@ namespace nvidiaProfileInspector.UI.ViewModels
             ImportProfileCommand = new RelayCommand(ImportProfile);
             OpenBitEditorCommand = new RelayCommand(OpenBitEditor, () => SelectedSetting != null);
             ResetValueCommand = new RelayCommand(ResetValue);
+            CopySettingIdCommand = new RelayCommand(CopySettingId);
             CopySettingsCommand = new RelayCommand(CopySettingsToClipboard);
             ToggleDevModeCommand = new RelayCommand(ToggleDevMode);
             NavigateToGlobalCommand = new RelayCommand(_ => NavigateToGlobalProfile());
@@ -765,6 +786,8 @@ namespace nvidiaProfileInspector.UI.ViewModels
             _addPredefinedAppListToCommon = settings.AddPredefinedAppListToCommon;
             _addRawValueToCommon = settings.AddRawValueToCommon;
             _allowMetaFromInactiveSources = settings.AllowMetaFromInactiveSources;
+            _showSettingIdInName = settings.ShowSettingIdInName;
+            SettingItemViewModel.ShowSettingIdInName = _showSettingIdInName;
 
             ApplySourceFilters();
 
@@ -1036,6 +1059,9 @@ namespace nvidiaProfileInspector.UI.ViewModels
 
         private void RefreshCurrentProfile()
         {
+            // Make sure freshly built rows pick up the current "setting id in name" option.
+            SettingItemViewModel.ShowSettingIdInName = _showSettingIdInName;
+
             // A freshly opened profile always starts collapsed to a single row.
             ApplicationsExpanded = false;
             Applications.Clear();
@@ -1662,6 +1688,30 @@ namespace nvidiaProfileInspector.UI.ViewModels
             ShowSnackbar("Settings copied to clipboard!", "Success");
         }
 
+        // Double-click on a setting name copies its setting id to the clipboard.
+        private void CopySettingId(object parameter)
+        {
+            if (!(parameter is SettingItemViewModel item))
+                return;
+
+            try
+            {
+                Clipboard.SetText(item.SettingIdHex);
+                ShowSnackbar($"Setting ID {item.SettingIdHex} copied to clipboard.", "Success");
+            }
+            catch
+            {
+            }
+        }
+
+        // Re-applies the "setting id in name" option in place (no profile reload).
+        private void ApplySettingIdInName()
+        {
+            SettingItemViewModel.ShowSettingIdInName = _showSettingIdInName;
+            foreach (var setting in Settings)
+                setting.RefreshDisplayName();
+        }
+
         private void ToggleDevMode()
         {
             IsDevMode = !IsDevMode;
@@ -1803,6 +1853,7 @@ namespace nvidiaProfileInspector.UI.ViewModels
             settings.AddPredefinedAppListToCommon = _addPredefinedAppListToCommon;
             settings.AddRawValueToCommon = _addRawValueToCommon;
             settings.AllowMetaFromInactiveSources = _allowMetaFromInactiveSources;
+            settings.ShowSettingIdInName = _showSettingIdInName;
             settings.SaveSettings();
         }
 
@@ -1825,6 +1876,7 @@ namespace nvidiaProfileInspector.UI.ViewModels
             _addPredefinedAppListToCommon = false;
             _addRawValueToCommon = false;
             _allowMetaFromInactiveSources = true;
+            _showSettingIdInName = false;
 
             OnPropertyChanged(nameof(SettingSourceCommon));
             OnPropertyChanged(nameof(SettingSourceDriver));
@@ -1842,6 +1894,7 @@ namespace nvidiaProfileInspector.UI.ViewModels
             OnPropertyChanged(nameof(AddPredefinedAppListToCommon));
             OnPropertyChanged(nameof(AddRawValueToCommon));
             OnPropertyChanged(nameof(AllowMetaFromInactiveSources));
+            OnPropertyChanged(nameof(ShowSettingIdInName));
 
             ApplySourceFilters();
             RefreshCurrentProfile();
diff --git a/nvidiaProfileInspector/UI/ViewModels/SettingItemViewModel.cs b/nvidiaProfileInspector/UI/ViewModels/SettingItemViewModel.cs
index e3619dc..d9a8886 100644
--- a/nvidiaProfileInspector/UI/ViewModels/SettingItemViewModel.cs
+++ b/nvidiaProfileInspector/UI/ViewModels/SettingItemViewModel.cs
@@ -44,12 +44,27 @@ namespace nvidiaProfileInspector.UI.ViewModels
                 _cachedGroupNameForDisplay = GroupName;
         }
 
+        // Set by the view model from the persisted filter option. Read only while (re)building
+        // the cached DisplayName, so there is no per-row cost while scrolling the list.
+        public static bool ShowSettingIdInName;
+
         private void UpdateDisplayName()
         {
-            if (IsSettingHidden)
-                DisplayName = "[H] " + SettingText;
-            else
-                DisplayName = SettingText;
+            var name = IsSettingHidden ? "[H] " + SettingText : SettingText;
+
+            // Optionally prefix the setting id, unless the name already is the hex id itself.
+            if (ShowSettingIdInName && !(SettingText != null && SettingText.StartsWith("0x", System.StringComparison.OrdinalIgnoreCase)))
+                name = SettingIdHex + " " + name;
+
+            DisplayName = name;
+        }
+
+        // Recompute the cached display name in place (used when the "show setting id" option
+        // toggles, avoiding a full profile reload).
+        public void RefreshDisplayName()
+        {
+            UpdateDisplayName();
+            OnPropertyChanged(nameof(DisplayName));
         }
 
         private void InvalidateValueNameItems()
diff --git a/nvidiaProfileInspector/UI/Views/MainWindow.xaml b/nvidiaProfileInspector/UI/Views/MainWindow.xaml
index 6d82177..e38562a 100644
--- a/nvidiaProfileInspector/UI/Views/MainWindow.xaml
+++ b/nvidiaProfileInspector/UI/Views/MainWindow.xaml
@@ -34,6 +34,7 @@
                     Fill="{DynamicResource TextSecondaryBrush}"
                     Stretch="Uniform" />
                 <TextBlock
+                    FontFamily="Consolas"
                     Text="{Binding ValueName, Mode=OneWay}"
                     TextTrimming="CharacterEllipsis"
                     TextWrapping="NoWrap" />
@@ -42,6 +43,7 @@
 
         <controls:SearchableComboBox x:Key="SharedValueEditorResource"
                                      Padding="8,4"
+                                     FontFamily="Consolas"
                                      HorizontalAlignment="Stretch"
                                      Foreground="{Binding State, Converter={StaticResource StateToColorConverter}, Mode=OneWay}"
                                      behaviors:SettingValueValidationBehavior.Enabled="True"
@@ -1350,6 +1352,17 @@
                                                 Text="Name &amp; description from inactive sources"
                                                 TextWrapping="Wrap" />
                                         </CheckBox>
+                                        <CheckBox
+                                            IsChecked="{Binding ShowSettingIdInName}"
+                                            Style="{StaticResource FilterFlyoutCheckBoxStyle}"
+                                            ToolTip="Prefix the setting id to the setting name in the list (double-click a name to copy its id).">
+                                            <TextBlock
+                                                VerticalAlignment="Center"
+                                                FontSize="11"
+                                                Foreground="{DynamicResource TextSecondaryBrush}"
+                                                Text="Add setting ID to name"
+                                                TextWrapping="Wrap" />
+                                        </CheckBox>
 
                                         <Border
                                             Height="1"
@@ -1519,6 +1532,7 @@
                     <Grid Grid.Row="1">
                         <ListBox
                             x:Name="SettingsListView"
+                            FontFamily="Consolas"
                             behaviors:GridViewColumnResizeBehavior.EnableStarSizing="True"
                             behaviors:GridViewColumnResizeBehavior.HexColumnWidth="200"
                             behaviors:GridViewColumnResizeBehavior.SettingColumnMinWidth="320"
@@ -1663,7 +1677,14 @@
                                                 Foreground="{Binding State, Converter={StaticResource StateToSettingIconColorConverter}, Mode=OneWay}"
                                                 Text="{Binding DisplayName, Mode=OneWay}"
                                                 ToolTip="{Binding SettingIdHex, Mode=OneWay}"
-                                                ToolTipService.IsEnabled="{Binding DataContext.IsDevMode, RelativeSource={RelativeSource AncestorType=Window}}" />
+                                                ToolTipService.IsEnabled="{Binding DataContext.IsDevMode, RelativeSource={RelativeSource AncestorType=Window}}">
+                                                <TextBlock.InputBindings>
+                                                    <MouseBinding
+                                                        Command="{Binding DataContext.CopySettingIdCommand, RelativeSource={RelativeSource AncestorType=Window}}"
+                                                        CommandParameter="{Binding}"
+                                                        Gesture="LeftDoubleClick" />
+                                                </TextBlock.InputBindings>
+                                            </TextBlock>
                                     <Grid Grid.Column="3">
                                         <Grid.ColumnDefinitions>
                                             <ColumnDefinition Width="*" />