diff --git a/src/modules/cmdpal/Microsoft.CmdPal.UI/Helpers/WindowPositionHelper.cs b/src/modules/cmdpal/Microsoft.CmdPal.UI/Helpers/WindowPositionHelper.cs
new file mode 100644
index 0000000000..bf8af589a6
--- /dev/null
+++ b/src/modules/cmdpal/Microsoft.CmdPal.UI/Helpers/WindowPositionHelper.cs
@@ -0,0 +1,152 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.UI;
+using Microsoft.UI.Windowing;
+using Windows.Graphics;
+using Windows.Win32;
+using Windows.Win32.Graphics.Gdi;
+using Windows.Win32.UI.HiDpi;
+
+namespace Microsoft.CmdPal.UI.Helpers;
+
+internal static class WindowPositionHelper
+{
+    private const int DefaultWidth = 800;
+    private const int DefaultHeight = 480;
+    private const int MinimumVisibleSize = 100;
+    private const int DefaultDpi = 96;
+
+    public static PointInt32? CalculateCenteredPosition(DisplayArea? displayArea, SizeInt32 windowSize, int windowDpi)
+    {
+        if (displayArea is null)
+        {
+            return null;
+        }
+
+        var workArea = displayArea.WorkArea;
+        if (workArea.Width <= 0 || workArea.Height <= 0)
+        {
+            return null;
+        }
+
+        var targetDpi = GetDpiForDisplay(displayArea);
+        var predictedSize = ScaleSize(windowSize, windowDpi, targetDpi);
+
+        // Clamp to work area
+        var width = Math.Min(predictedSize.Width, workArea.Width);
+        var height = Math.Min(predictedSize.Height, workArea.Height);
+
+        return new PointInt32(
+            workArea.X + ((workArea.Width - width) / 2),
+            workArea.Y + ((workArea.Height - height) / 2));
+    }
+
+    /// <summary>
+    /// Adjusts a saved window rect to ensure it's visible on the nearest display,
+    /// accounting for DPI changes and work area differences.
+    /// </summary>
+    ///
+    public static RectInt32 AdjustRectForVisibility(RectInt32 savedRect, SizeInt32 savedScreenSize, int savedDpi)
+    {
+        var displayArea = DisplayArea.GetFromRect(savedRect, DisplayAreaFallback.Nearest);
+        if (displayArea is null)
+        {
+            return savedRect;
+        }
+
+        var workArea = displayArea.WorkArea;
+        if (workArea.Width <= 0 || workArea.Height <= 0)
+        {
+            return savedRect;
+        }
+
+        var targetDpi = GetDpiForDisplay(displayArea);
+        if (savedDpi <= 0)
+        {
+            savedDpi = targetDpi;
+        }
+
+        var hasInvalidSize = savedRect.Width <= 0 || savedRect.Height <= 0;
+        if (hasInvalidSize)
+        {
+            savedRect = savedRect with { Width = DefaultWidth, Height = DefaultHeight };
+        }
+
+        if (targetDpi != savedDpi)
+        {
+            savedRect = ScaleRect(savedRect, savedDpi, targetDpi);
+        }
+
+        var clampedSize = ClampSize(savedRect.Width, savedRect.Height, workArea);
+
+        var shouldRecenter = hasInvalidSize ||
+                             IsOffscreen(savedRect, workArea) ||
+                             savedScreenSize.Width != workArea.Width ||
+                             savedScreenSize.Height != workArea.Height;
+
+        if (shouldRecenter)
+        {
+            return CenterRectInWorkArea(clampedSize, workArea);
+        }
+
+        return new RectInt32(savedRect.X, savedRect.Y, clampedSize.Width, clampedSize.Height);
+    }
+
+    private static int GetDpiForDisplay(DisplayArea displayArea)
+    {
+        var hMonitor = Win32Interop.GetMonitorFromDisplayId(displayArea.DisplayId);
+        if (hMonitor == IntPtr.Zero)
+        {
+            return DefaultDpi;
+        }
+
+        var hr = PInvoke.GetDpiForMonitor(
+            new HMONITOR(hMonitor),
+            MONITOR_DPI_TYPE.MDT_EFFECTIVE_DPI,
+            out var dpiX,
+            out _);
+
+        return hr.Succeeded && dpiX > 0 ? (int)dpiX : DefaultDpi;
+    }
+
+    private static SizeInt32 ScaleSize(SizeInt32 size, int fromDpi, int toDpi)
+    {
+        if (fromDpi <= 0 || toDpi <= 0 || fromDpi == toDpi)
+        {
+            return size;
+        }
+
+        var scale = (double)toDpi / fromDpi;
+        return new SizeInt32(
+            (int)Math.Round(size.Width * scale),
+            (int)Math.Round(size.Height * scale));
+    }
+
+    private static RectInt32 ScaleRect(RectInt32 rect, int fromDpi, int toDpi)
+    {
+        var scale = (double)toDpi / fromDpi;
+        return new RectInt32(
+            (int)Math.Round(rect.X * scale),
+            (int)Math.Round(rect.Y * scale),
+            (int)Math.Round(rect.Width * scale),
+            (int)Math.Round(rect.Height * scale));
+    }
+
+    private static SizeInt32 ClampSize(int width, int height, RectInt32 workArea) =>
+        new(Math.Min(width, workArea.Width), Math.Min(height, workArea.Height));
+
+    private static RectInt32 CenterRectInWorkArea(SizeInt32 size, RectInt32 workArea) =>
+        new(
+            workArea.X + ((workArea.Width - size.Width) / 2),
+            workArea.Y + ((workArea.Height - size.Height) / 2),
+            size.Width,
+            size.Height);
+
+    private static bool IsOffscreen(RectInt32 rect, RectInt32 workArea) =>
+        rect.X + MinimumVisibleSize > workArea.X + workArea.Width ||
+        rect.X + rect.Width - MinimumVisibleSize < workArea.X ||
+        rect.Y + MinimumVisibleSize > workArea.Y + workArea.Height ||
+        rect.Y + rect.Height - MinimumVisibleSize < workArea.Y;
+}
diff --git a/src/modules/cmdpal/Microsoft.CmdPal.UI/MainWindow.xaml.cs b/src/modules/cmdpal/Microsoft.CmdPal.UI/MainWindow.xaml.cs
index abaf102a9e..bc083cd1bd 100644
--- a/src/modules/cmdpal/Microsoft.CmdPal.UI/MainWindow.xaml.cs
+++ b/src/modules/cmdpal/Microsoft.CmdPal.UI/MainWindow.xaml.cs
@@ -21,7 +21,6 @@ using Microsoft.CmdPal.UI.ViewModels.Messages;
 using Microsoft.CmdPal.UI.ViewModels.Services;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.PowerToys.Telemetry;
-using Microsoft.UI;
 using Microsoft.UI.Composition;
 using Microsoft.UI.Composition.SystemBackdrops;
 using Microsoft.UI.Input;
@@ -32,13 +31,9 @@ using Windows.ApplicationModel.Activation;
 using Windows.Foundation;
 using Windows.Graphics;
 using Windows.System;
-using Windows.UI;
-using Windows.UI.WindowManagement;
 using Windows.Win32;
 using Windows.Win32.Foundation;
 using Windows.Win32.Graphics.Dwm;
-using Windows.Win32.Graphics.Gdi;
-using Windows.Win32.UI.HiDpi;
 using Windows.Win32.UI.Input.KeyboardAndMouse;
 using Windows.Win32.UI.WindowsAndMessaging;
 using WinRT;
@@ -60,9 +55,6 @@ public sealed partial class MainWindow : WindowEx,
     IRecipient<DragCompletedMessage>,
     IDisposable
 {
-    private const int DefaultWidth = 800;
-    private const int DefaultHeight = 480;
-
     [System.Diagnostics.CodeAnalysis.SuppressMessage("StyleCop.CSharp.NamingRules", "SA1310:Field names should not contain underscore", Justification = "Stylistically, window messages are WM_")]
     [System.Diagnostics.CodeAnalysis.SuppressMessage("StyleCop.CSharp.NamingRules", "SA1306:Field names should begin with lower-case letter", Justification = "Stylistically, window messages are WM_")]
     private readonly uint WM_TASKBAR_RESTART;
@@ -226,39 +218,40 @@ public sealed partial class MainWindow : WindowEx,
         PositionCentered(displayArea);
     }
 
+    private void PositionCentered(DisplayArea displayArea)
+    {
+        var position = WindowPositionHelper.CalculateCenteredPosition(
+            displayArea,
+            AppWindow.Size,
+            (int)this.GetDpiForWindow());
+
+        if (position is not null)
+        {
+            // Use Move(), not MoveAndResize(). Windows auto-resizes on DPI change via WM_DPICHANGED;
+            // the helper already accounts for this when calculating the centered position.
+            AppWindow.Move((PointInt32)position);
+        }
+    }
+
     private void RestoreWindowPosition()
     {
         var settings = App.Current.Services.GetService<SettingsModel>();
-        if (settings?.LastWindowPosition is not WindowPosition savedPosition)
+        if (settings?.LastWindowPosition is not { Width: > 0, Height: > 0 } savedPosition)
         {
             PositionCentered();
             return;
         }
 
-        if (savedPosition.Width <= 0 || savedPosition.Height <= 0)
-        {
-            PositionCentered();
-            return;
-        }
+        // MoveAndResize is safe here—we're restoring a saved state at startup,
+        // not moving a live window between displays.
+        var newRect = WindowPositionHelper.AdjustRectForVisibility(
+            savedPosition.ToPhysicalWindowRectangle(),
+            new SizeInt32(savedPosition.ScreenWidth, savedPosition.ScreenHeight),
+            savedPosition.Dpi);
 
-        var newRect = EnsureWindowIsVisible(savedPosition.ToPhysicalWindowRectangle(), new SizeInt32(savedPosition.ScreenWidth, savedPosition.ScreenHeight), savedPosition.Dpi);
         AppWindow.MoveAndResize(newRect);
     }
 
-    private void PositionCentered(DisplayArea displayArea)
-    {
-        if (displayArea is not null)
-        {
-            var centeredPosition = AppWindow.Position;
-            centeredPosition.X = (displayArea.WorkArea.Width - AppWindow.Size.Width) / 2;
-            centeredPosition.Y = (displayArea.WorkArea.Height - AppWindow.Size.Height) / 2;
-
-            centeredPosition.X += displayArea.WorkArea.X;
-            centeredPosition.Y += displayArea.WorkArea.Y;
-            AppWindow.Move(centeredPosition);
-        }
-    }
-
     private void UpdateWindowPositionInMemory()
     {
         var displayArea = DisplayArea.GetFromWindowId(AppWindow.Id, DisplayAreaFallback.Nearest) ?? DisplayArea.Primary;
@@ -352,7 +345,8 @@ public sealed partial class MainWindow : WindowEx,
 
         if (target == MonitorBehavior.ToLast)
         {
-            var newRect = EnsureWindowIsVisible(_currentWindowPosition.ToPhysicalWindowRectangle(), new SizeInt32(_currentWindowPosition.ScreenWidth, _currentWindowPosition.ScreenHeight), _currentWindowPosition.Dpi);
+            var originalScreen = new SizeInt32(_currentWindowPosition.ScreenWidth, _currentWindowPosition.ScreenHeight);
+            var newRect = WindowPositionHelper.AdjustRectForVisibility(_currentWindowPosition.ToPhysicalWindowRectangle(), originalScreen, _currentWindowPosition.Dpi);
             AppWindow.MoveAndResize(newRect);
         }
         else
@@ -382,115 +376,7 @@ public sealed partial class MainWindow : WindowEx,
         PInvoke.SetWindowPos(hwnd, HWND.HWND_TOPMOST, 0, 0, 0, 0, SET_WINDOW_POS_FLAGS.SWP_NOMOVE | SET_WINDOW_POS_FLAGS.SWP_NOSIZE);
     }
 
-    /// <summary>
-    /// Ensures that the window rectangle is visible on-screen.
-    /// </summary>
-    /// <param name="windowRect">The window rectangle in physical pixels.</param>
-    /// <param name="originalScreen">The desktop area the window was positioned on.</param>
-    /// <param name="originalDpi">The window's original DPI.</param>
-    /// <returns>
-    /// A window rectangle in physical pixels, moved to the nearest display and resized
-    /// if the DPI has changed.
-    /// </returns>
-    private static RectInt32 EnsureWindowIsVisible(RectInt32 windowRect, SizeInt32 originalScreen, int originalDpi)
-    {
-        var displayArea = DisplayArea.GetFromRect(windowRect, DisplayAreaFallback.Nearest);
-        if (displayArea is null)
-        {
-            return windowRect;
-        }
-
-        var workArea = displayArea.WorkArea;
-        if (workArea.Width <= 0 || workArea.Height <= 0)
-        {
-            // Fallback, nothing reasonable to do
-            return windowRect;
-        }
-
-        var effectiveDpi = GetEffectiveDpiFromDisplayId(displayArea);
-        if (originalDpi <= 0)
-        {
-            originalDpi = effectiveDpi; // use current DPI as baseline (no scaling adjustment needed)
-        }
-
-        var hasInvalidSize = windowRect.Width <= 0 || windowRect.Height <= 0;
-        if (hasInvalidSize)
-        {
-            windowRect = new RectInt32(windowRect.X, windowRect.Y, DefaultWidth, DefaultHeight);
-        }
-
-        // If we have a DPI change, scale the window rectangle accordingly
-        if (effectiveDpi != originalDpi)
-        {
-            var scalingFactor = effectiveDpi / (double)originalDpi;
-            windowRect = new RectInt32(
-                (int)Math.Round(windowRect.X * scalingFactor),
-                (int)Math.Round(windowRect.Y * scalingFactor),
-                (int)Math.Round(windowRect.Width * scalingFactor),
-                (int)Math.Round(windowRect.Height * scalingFactor));
-        }
-
-        var targetWidth = Math.Min(windowRect.Width, workArea.Width);
-        var targetHeight = Math.Min(windowRect.Height, workArea.Height);
-
-        // Ensure at least some minimum visible area (e.g., 100 pixels)
-        // This helps prevent the window from being entirely offscreen, regardless of display scaling.
-        const int minimumVisibleSize = 100;
-        var isOffscreen =
-            windowRect.X + minimumVisibleSize > workArea.X + workArea.Width ||
-            windowRect.X + windowRect.Width - minimumVisibleSize < workArea.X ||
-            windowRect.Y + minimumVisibleSize > workArea.Y + workArea.Height ||
-            windowRect.Y + windowRect.Height - minimumVisibleSize < workArea.Y;
-
-        // if the work area size has changed, re-center the window
-        var workAreaSizeChanged =
-            originalScreen.Width != workArea.Width ||
-            originalScreen.Height != workArea.Height;
-
-        int targetX;
-        int targetY;
-        var recenter = isOffscreen || workAreaSizeChanged || hasInvalidSize;
-        if (recenter)
-        {
-            targetX = workArea.X + ((workArea.Width - targetWidth) / 2);
-            targetY = workArea.Y + ((workArea.Height - targetHeight) / 2);
-        }
-        else
-        {
-            targetX = windowRect.X;
-            targetY = windowRect.Y;
-        }
-
-        return new RectInt32(targetX, targetY, targetWidth, targetHeight);
-    }
-
-    private static int GetEffectiveDpiFromDisplayId(DisplayArea displayArea)
-    {
-        var effectiveDpi = 96;
-
-        var hMonitor = (HMONITOR)Win32Interop.GetMonitorFromDisplayId(displayArea.DisplayId);
-        if (!hMonitor.IsNull)
-        {
-            var hr = PInvoke.GetDpiForMonitor(hMonitor, MONITOR_DPI_TYPE.MDT_EFFECTIVE_DPI, out var dpiX, out _);
-            if (hr == 0)
-            {
-                effectiveDpi = (int)dpiX;
-            }
-            else
-            {
-                Logger.LogWarning($"GetDpiForMonitor failed with HRESULT: 0x{hr.Value:X8} on display {displayArea.DisplayId}");
-            }
-        }
-
-        if (effectiveDpi <= 0)
-        {
-            effectiveDpi = 96;
-        }
-
-        return effectiveDpi;
-    }
-
-    private DisplayArea GetScreen(HWND currentHwnd, MonitorBehavior target)
+    private static DisplayArea GetScreen(HWND currentHwnd, MonitorBehavior target)
     {
         // Leaving a note here, in case we ever need it:
         // https://github.com/microsoft/microsoft-ui-xaml/issues/6454