diff --git a/example/lib/app_scaffold.dart b/example/lib/app_scaffold.dart
index bb5aa4e..f61c341 100644
--- a/example/lib/app_scaffold.dart
+++ b/example/lib/app_scaffold.dart
@@ -181,7 +181,29 @@ class AppScaffold extends StatelessWidget {
 
       onLogout: (context) => SolidAuthHandler.instance.handleLogout(context),
 
+      // SETTINGS.
+
+      settingsWidget: IconButton(
+        icon: const Icon(Icons.settings),
+        onPressed: () => _scaffoldController.navigateToSubpage(
+          const _MySettings(),
+        ),
+        tooltip: 'Settings',
+      ),
+
       child: const Home(title: appTitle),
     );
   }
 }
+
+class _MySettings extends StatelessWidget {
+  const _MySettings();
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text('Custom Settings')),
+      body: const Center(child: Text('This is a custom settings page.')),
+    );
+  }
+}
diff --git a/lib/solidui.dart b/lib/solidui.dart
index 50e80af..cd19c2a 100644
--- a/lib/solidui.dart
+++ b/lib/solidui.dart
@@ -102,6 +102,7 @@ export 'src/utils/solid_file_operations.dart';
 export 'src/utils/is_phone.dart';
 export 'src/utils/solid_alert.dart';
 export 'src/utils/solid_notifications.dart';
+export 'src/utils/path_utils.dart';
 export 'src/utils/solid_pod_helpers.dart'
     show loginIfRequired, getKeyFromUserIfRequired;
 
diff --git a/lib/src/widgets/solid_nav_bar.dart b/lib/src/widgets/solid_nav_bar.dart
index 9d42f20..af95bbb 100644
--- a/lib/src/widgets/solid_nav_bar.dart
+++ b/lib/src/widgets/solid_nav_bar.dart
@@ -75,6 +75,10 @@ class SolidNavBar extends StatelessWidget {
 
   final double? labelFontSize;
 
+  /// Optional custom Settings widget.
+
+  final Widget? settingsWidget;
+
   /// Creates a [SolidNavBar] with the specified configuration.
 
   const SolidNavBar({
@@ -87,6 +91,7 @@ class SolidNavBar extends StatelessWidget {
     this.groupAlignment,
     this.iconSize,
     this.labelFontSize,
+    this.settingsWidget,
   });
 
   @override
@@ -165,6 +170,12 @@ class SolidNavBar extends StatelessWidget {
                   letterSpacing: NavigationConstants.navLabelLetterSpacing,
                   color: theme.colorScheme.onSurface.withValues(alpha: 0.6),
                 ),
+                trailing: settingsWidget != null
+                    ? Padding(
+                        padding: const EdgeInsets.only(bottom: 20),
+                        child: settingsWidget,
+                      )
+                    : null,
               ),
             ),
           ),
diff --git a/lib/src/widgets/solid_nav_drawer.dart b/lib/src/widgets/solid_nav_drawer.dart
index 53ea331..0631da8 100644
--- a/lib/src/widgets/solid_nav_drawer.dart
+++ b/lib/src/widgets/solid_nav_drawer.dart
@@ -81,6 +81,10 @@ class SolidNavDrawer extends StatefulWidget {
 
   final ShapeBorder? drawerShape;
 
+  /// Optional custom Settings widget.
+
+  final Widget? settingsWidget;
+
   const SolidNavDrawer({
     super.key,
     this.userInfo,
@@ -93,6 +97,7 @@ class SolidNavDrawer extends StatefulWidget {
     this.showLogout = true,
     this.additionalMenuItems,
     this.drawerShape,
+    this.settingsWidget,
   });
 
   @override
@@ -175,6 +180,11 @@ class _SolidNavDrawerState extends State<SolidNavDrawer> {
                 }),
                 if (widget.additionalMenuItems != null)
                   ...widget.additionalMenuItems!,
+                if (widget.settingsWidget != null)
+                  Padding(
+                    padding: const EdgeInsets.symmetric(vertical: 8.0),
+                    child: widget.settingsWidget,
+                  ),
                 if (widget.showLogout && widget.onLogout != null)
                   ..._buildLogoutSection(context, theme),
               ],
diff --git a/lib/src/widgets/solid_scaffold.dart b/lib/src/widgets/solid_scaffold.dart
index 1fa0c65..1ce67d6 100644
--- a/lib/src/widgets/solid_scaffold.dart
+++ b/lib/src/widgets/solid_scaffold.dart
@@ -231,6 +231,10 @@ class SolidScaffold extends StatefulWidget {
 
   final SolidAboutConfig? aboutConfig;
 
+  /// Optional custom Settings widget.
+
+  final Widget? settingsWidget;
+
   /// Option to force the navigation rail to be hidden.
 
   final bool hideNavRail;
@@ -278,6 +282,7 @@ class SolidScaffold extends StatefulWidget {
     this.selectedIndex,
     this.themeToggle,
     this.aboutConfig,
+    this.settingsWidget,
     this.hideNavRail = false,
   });
 
diff --git a/lib/src/widgets/solid_scaffold_appbar_actions.dart b/lib/src/widgets/solid_scaffold_appbar_actions.dart
index 604c0a0..118d8de 100644
--- a/lib/src/widgets/solid_scaffold_appbar_actions.dart
+++ b/lib/src/widgets/solid_scaffold_appbar_actions.dart
@@ -50,13 +50,20 @@ class SolidAppBarActionsManager {
     SolidAppBarConfig config,
     SolidThemeToggleConfig? themeToggle, {
     bool hasLogout = false,
+    bool hasSettings = false,
   }) {
     // Check if we need to add missing buttons (standard or custom).
 
     final existingActions = solidPreferencesNotifier.appBarActions;
     final needsInit = existingActions.isEmpty;
     final needsMerge = !needsInit &&
-        _hasMissingButtons(existingActions, config, themeToggle, hasLogout);
+        _hasMissingButtons(
+          existingActions,
+          config,
+          themeToggle,
+          hasLogout,
+          hasSettings,
+        );
 
     if (!needsInit && !needsMerge) return;
 
@@ -141,6 +148,22 @@ class SolidAppBarActionsManager {
       );
     }
 
+    // Add Settings button if provided.
+
+    if (hasSettings) {
+      actionEntries.add(
+        _ActionEntry(
+          item: const SolidAppBarActionItem(
+            id: SolidAppBarActionIds.preferences,
+            label: 'Settings',
+            icon: Icons.settings,
+            showInOverflow: false, // Show in AppBar by default.
+          ),
+          initialIndex: 850, // Settings button just before About.
+        ),
+      );
+    }
+
     // Add About button.
     // Default: show in AppBar, rightmost position.
 
@@ -182,6 +205,7 @@ class SolidAppBarActionsManager {
     SolidAppBarConfig config,
     SolidThemeToggleConfig? themeToggle,
     bool hasLogout,
+    bool hasSettings,
   ) {
     final existingIds = actions.map((a) => a.id).toSet();
 
@@ -214,6 +238,12 @@ class SolidAppBarActionsManager {
       expectedIds.add(SolidAppBarActionIds.logout);
     }
 
+    // Settings button (if provided).
+
+    if (hasSettings) {
+      expectedIds.add(SolidAppBarActionIds.preferences);
+    }
+
     // About button should always exist.
 
     expectedIds.add(SolidAppBarActionIds.about);
diff --git a/lib/src/widgets/solid_scaffold_appbar_builder.dart b/lib/src/widgets/solid_scaffold_appbar_builder.dart
index 44569e2..2bc002c 100644
--- a/lib/src/widgets/solid_scaffold_appbar_builder.dart
+++ b/lib/src/widgets/solid_scaffold_appbar_builder.dart
@@ -55,6 +55,7 @@ class SolidScaffoldAppBarBuilder {
     VoidCallback? themeToggleCallback,
     SolidAboutConfig aboutConfig,
     double narrowScreenThreshold, {
+    Widget? settingsWidget,
     bool hideNavRail = false,
     void Function(BuildContext)? onLogout,
     void Function(BuildContext)? onLogin,
@@ -65,6 +66,7 @@ class SolidScaffoldAppBarBuilder {
       config,
       themeToggle,
       hasLogout: true,
+      hasSettings: settingsWidget != null,
     );
 
     final isWideScreen = !hideNavRail &&
@@ -100,6 +102,7 @@ class SolidScaffoldAppBarBuilder {
       currentThemeMode: currentThemeMode,
       themeToggleCallback: themeToggleCallback,
       aboutConfig: aboutConfig,
+      settingsWidget: settingsWidget,
       context: context,
       onLogout: onLogout,
       onLogin: onLogin,
diff --git a/lib/src/widgets/solid_scaffold_appbar_ordered_actions.dart b/lib/src/widgets/solid_scaffold_appbar_ordered_actions.dart
index e4b2aff..7ebf2c4 100644
--- a/lib/src/widgets/solid_scaffold_appbar_ordered_actions.dart
+++ b/lib/src/widgets/solid_scaffold_appbar_ordered_actions.dart
@@ -58,6 +58,7 @@ class SolidAppBarOrderedActionsBuilder {
     required VoidCallback? themeToggleCallback,
     required SolidAboutConfig aboutConfig,
     required BuildContext context,
+    Widget? settingsWidget,
     void Function(BuildContext)? onLogout,
     void Function(BuildContext)? onLogin,
   }) {
@@ -76,6 +77,7 @@ class SolidAppBarOrderedActionsBuilder {
     _addCustomActions(orderedActions, config, screenWidth, isNarrowScreen);
     _addOverflowItems(orderedActions, config, isNarrowScreen);
     _addAuthButton(orderedActions, onLogout, onLogin, isNarrowScreen, context);
+    _addSettingsButton(orderedActions, settingsWidget, isNarrowScreen);
     _addAboutButton(
       orderedActions,
       aboutConfig,
@@ -220,6 +222,27 @@ class SolidAppBarOrderedActionsBuilder {
     }
   }
 
+  static void _addSettingsButton(
+    List<_OrderedAction> orderedActions,
+    Widget? settingsWidget,
+    bool isNarrowScreen,
+  ) {
+    if (settingsWidget == null) return;
+
+    final actionConfig = SolidAppBarActionsManager.getActionConfig(
+      SolidAppBarActionIds.preferences,
+    );
+    final isVisible = actionConfig?.isVisible ?? true;
+    final isInOverflow = actionConfig?.showInOverflow ?? false;
+    final order = actionConfig?.order ?? 850;
+
+    if (isVisible && (!isNarrowScreen || !isInOverflow)) {
+      orderedActions.add(
+        _OrderedAction(order: order, widget: settingsWidget),
+      );
+    }
+  }
+
   static void _addAboutButton(
     List<_OrderedAction> orderedActions,
     SolidAboutConfig aboutConfig,
diff --git a/lib/src/widgets/solid_scaffold_helpers.dart b/lib/src/widgets/solid_scaffold_helpers.dart
index d044786..7f6763b 100644
--- a/lib/src/widgets/solid_scaffold_helpers.dart
+++ b/lib/src/widgets/solid_scaffold_helpers.dart
@@ -253,6 +253,7 @@ class SolidScaffoldHelpers {
     double narrowScreenThreshold,
     bool Function() shouldShowVersion,
     String Function() getVersionToDisplay, {
+    Widget? settingsWidget,
     bool hideNavRail = false,
     void Function(BuildContext)? onLogout,
     void Function(BuildContext)? onLogin,
@@ -269,6 +270,7 @@ class SolidScaffoldHelpers {
       themeToggleCallback,
       aboutConfig,
       narrowScreenThreshold,
+      settingsWidget: settingsWidget,
       hideNavRail: hideNavRail,
       onLogout: onLogout,
       onLogin: onLogin,
diff --git a/lib/src/widgets/solid_scaffold_layout_builder.dart b/lib/src/widgets/solid_scaffold_layout_builder.dart
index 8b356c1..d29a611 100644
--- a/lib/src/widgets/solid_scaffold_layout_builder.dart
+++ b/lib/src/widgets/solid_scaffold_layout_builder.dart
@@ -51,8 +51,9 @@ class SolidScaffoldLayoutBuilder {
     int? selectedIndex,
     Widget? effectiveChild,
     Function(int) onTabSelected,
-    Function(BuildContext, String, String?)? onShowAlert,
-  ) {
+    Function(BuildContext, String, String?)? onShowAlert, {
+    Widget? settingsWidget,
+  }) {
     final theme = Theme.of(context);
 
     if (effectiveChild == null) {
@@ -73,6 +74,7 @@ class SolidScaffoldLayoutBuilder {
                   selectedIndex: selectedIndex,
                   onTabSelected: onTabSelected,
                   onShowAlert: onShowAlert,
+                  settingsWidget: settingsWidget,
                 ),
                 VerticalDivider(width: 1, color: theme.dividerColor),
                 Expanded(child: effectiveChild),
diff --git a/lib/src/widgets/solid_scaffold_state.dart b/lib/src/widgets/solid_scaffold_state.dart
index aba9363..f1962d4 100644
--- a/lib/src/widgets/solid_scaffold_state.dart
+++ b/lib/src/widgets/solid_scaffold_state.dart
@@ -206,6 +206,7 @@ class SolidScaffoldState extends State<SolidScaffold> {
             ),
             _onMenuSelected,
             widget.onShowAlert,
+            settingsWidget: widget.settingsWidget,
           );
 
     return NotificationListener<SecurityKeyStatusChangedNotification>(
diff --git a/lib/src/widgets/solid_scaffold_widget_builder.dart b/lib/src/widgets/solid_scaffold_widget_builder.dart
index a73c345..2cfe853 100644
--- a/lib/src/widgets/solid_scaffold_widget_builder.dart
+++ b/lib/src/widgets/solid_scaffold_widget_builder.dart
@@ -140,6 +140,7 @@ class SolidScaffoldWidgetBuilder {
           widget.narrowScreenThreshold,
           shouldShowVersion,
           getVersionToDisplay,
+          settingsWidget: widget.settingsWidget,
           hideNavRail: widget.hideNavRail,
           onLogout: effectiveLogout,
           onLogin: effectiveLogin,
@@ -158,6 +159,7 @@ class SolidScaffoldWidgetBuilder {
           onTabSelected: onMenuSelected,
           onLogout: effectiveLogout,
           showLogout: effectiveLogout != null,
+          settingsWidget: widget.settingsWidget,
         );
       },
       endDrawer: widget.endDrawer,