diff --git a/NAPS2.Lib/Config/CommonConfig.cs b/NAPS2.Lib/Config/CommonConfig.cs
index 01ef5cbfb3..ee51bbd24a 100644
--- a/NAPS2.Lib/Config/CommonConfig.cs
+++ b/NAPS2.Lib/Config/CommonConfig.cs
@@ -203,4 +203,10 @@ public class CommonConfig
 
     [Common]
     public bool DisableScannerSharing { get; set; }
+
+    [User]
+    public bool SidebarVisible { get; set; }
+
+    [User]
+    public int SidebarWidth { get; set; }
 }
\ No newline at end of file
diff --git a/NAPS2.Lib/Config/InternalDefaults.cs b/NAPS2.Lib/Config/InternalDefaults.cs
index 3859b421b4..f68bb544fa 100644
--- a/NAPS2.Lib/Config/InternalDefaults.cs
+++ b/NAPS2.Lib/Config/InternalDefaults.cs
@@ -58,6 +58,7 @@ public static CommonConfig GetCommonConfig() =>
             DesktopToolStripDock = DockStyle.Top,
             EventLogging = EventType.None,
             ShowPageNumbers = false,
+            SidebarVisible = true,
             PdfSettings = new PdfSettings
             {
                 Metadata = new PdfMetadata
diff --git a/NAPS2.Lib/EtoForms/Desktop/Sidebar.cs b/NAPS2.Lib/EtoForms/Desktop/Sidebar.cs
index 4245d15008..3cb2fa7bfc 100644
--- a/NAPS2.Lib/EtoForms/Desktop/Sidebar.cs
+++ b/NAPS2.Lib/EtoForms/Desktop/Sidebar.cs
@@ -88,6 +88,7 @@ private void NewProfile()
 
     public LayoutElement CreateView(IFormBase parentWindow)
     {
+        _sidebarVis.IsVisible = _config.Get(c => c.SidebarVisible);
         _profile.SelectedItem = _profileManager.DefaultProfile;
 
         _deviceSelectorWidget = new DeviceSelectorWidget(_scanPerformer, _deviceCapsCache, _iconProvider, parentWindow)
@@ -217,5 +218,6 @@ private void UpdateUiForProfile()
     public void ToggleVisibility()
     {
         _sidebarVis.IsVisible = !_sidebarVis.IsVisible;
+        _config.User.Set(c => c.SidebarVisible, _sidebarVis.IsVisible);
     }
 }
\ No newline at end of file
diff --git a/NAPS2.Lib/EtoForms/Layout/L.cs b/NAPS2.Lib/EtoForms/Layout/L.cs
index 4dabcc312e..c492aa9efc 100644
--- a/NAPS2.Lib/EtoForms/Layout/L.cs
+++ b/NAPS2.Lib/EtoForms/Layout/L.cs
@@ -56,7 +56,7 @@ public static LayoutElement Buffer(LayoutElement element, int left, int top, int
         return new BufferLayoutElement(element, left, top, right, bottom);
     }
 
-    public static LayoutElement LeftPanel(LayoutElement left, LayoutElement right)
+    public static LayoutLeftPanel LeftPanel(LayoutElement left, LayoutElement right)
     {
         return new LayoutLeftPanel(left, right);
     }
diff --git a/NAPS2.Lib/EtoForms/Layout/LayoutLeftPanel.cs b/NAPS2.Lib/EtoForms/Layout/LayoutLeftPanel.cs
index ef455b9471..fa9a7afdc9 100644
--- a/NAPS2.Lib/EtoForms/Layout/LayoutLeftPanel.cs
+++ b/NAPS2.Lib/EtoForms/Layout/LayoutLeftPanel.cs
@@ -10,6 +10,8 @@ public class LayoutLeftPanel : LayoutElement
     private readonly LayoutOverlay _overlay;
     private readonly Splitter _splitter;
 
+    private Func<int> _widthGetter = () => 0;
+    private Action<int> _widthSetter = _ => { };
     private bool _isInitialized;
 
     public LayoutLeftPanel(LayoutElement left, LayoutElement right)
@@ -37,12 +39,13 @@ public override void DoLayout(LayoutContext context, RectangleF bounds)
 
         if (!_isInitialized)
         {
-            _left.Width = _splitter.Position = _splitter.Panel1MinimumSize;
+            _left.Width = _splitter.Position = Math.Max(_widthGetter(), _splitter.Panel1MinimumSize);
             _splitter.PositionChanged += (_, _) =>
             {
                 if (_left.Width != _splitter.Position)
                 {
                     _left.Width = _splitter.Position;
+                    _widthSetter(_splitter.Position);
                     context.Invalidate();
                 }
             };
@@ -74,4 +77,11 @@ protected override SizeF GetPreferredSizeCore(LayoutContext context, RectangleF
     {
         return _overlay.GetPreferredSize(context, parentBounds);
     }
+
+    public LayoutLeftPanel SizeConfig(Func<int> getter, Action<int> setter)
+    {
+        _widthGetter = getter;
+        _widthSetter = setter;
+        return this;
+    }
 }
\ No newline at end of file
diff --git a/NAPS2.Lib/EtoForms/Ui/DesktopForm.cs b/NAPS2.Lib/EtoForms/Ui/DesktopForm.cs
index 82b1a99f80..46d1a279af 100644
--- a/NAPS2.Lib/EtoForms/Ui/DesktopForm.cs
+++ b/NAPS2.Lib/EtoForms/Ui/DesktopForm.cs
@@ -135,7 +135,9 @@ protected override void BuildLayout()
                         _notificationArea.Content)
                 ).Padding(8)
             ).Scale()
-        );
+        ).SizeConfig(
+            () => Config.Get(c => c.SidebarWidth),
+            width => Config.User.Set(c => c.SidebarWidth, width));
     }
 
     private void OpeningContextMenu(object? sender, EventArgs e)