diff --git a/PdfTool/App.xaml b/PdfTool/App.xaml
index f24f645..f1f53aa 100644
--- a/PdfTool/App.xaml
+++ b/PdfTool/App.xaml
@@ -78,7 +78,7 @@
                 <Setter Property="BorderThickness" Value="1"/>
                 <Setter Property="HorizontalContentAlignment" Value="Center" />
                 <Setter Property="VerticalContentAlignment" Value="Center" />
-                <Setter Property="Height" Value="25"/>
+                <Setter Property="Height" Value="20"/>
                 <Setter Property="Padding" Value="0" />
                 <Setter Property="Template">
                     <Setter.Value>
diff --git a/PdfTool/Controller/ImageToPdfConverter.cs b/PdfTool/Controller/ImageToPdfConverter.cs
index 36b27e9..3c53d69 100644
--- a/PdfTool/Controller/ImageToPdfConverter.cs
+++ b/PdfTool/Controller/ImageToPdfConverter.cs
@@ -29,16 +29,14 @@ public async Task<Result> ConvertImagesAsync(string[] filePaths) {
             PdfDocument documents = new PdfDocument();
             documents.Info.Title = Path.GetFileNameWithoutExtension(path);
 
-            var isVertical = true;
             PdfPage page = documents.AddPage();
             XImage image = XImage.FromFile(path);
             if (image.PixelWidth > image.PixelHeight) {
                 page.Orientation = PageOrientation.Landscape;
-                isVertical = false;
             }
             XGraphics gfx = XGraphics.FromPdfPage(page);
 
-            await DrawImage(gfx, image, isVertical, 0, 0, (int)page.Width, (int)page.Height);
+            await DrawImage(gfx, image, 0, 0, (int)page.Width, (int)page.Height);
 
             string resultPath = Path.ChangeExtension(path, ".pdf");
 
@@ -65,35 +63,32 @@ public async Task<Result> ConvertImagesAsync(string[] filePaths) {
     /// <param name="y"></param>
     /// <param name="width"></param>
     /// <param name="height"></param>
-    private Task DrawImage(XGraphics gfx, XImage image, bool isVertical, int x, int y, int width, int height) {
+    private Task DrawImage(XGraphics gfx, XImage image, int x, int y, int width, int height) {
         if (!_settings.MaintainAspectRatio) {
             gfx.DrawImage(image, x, y, width, height);
             return Task.CompletedTask;
         }
-        
-        if (image.PixelHeight <= height && image.PixelWidth <= width) { //A4 height and width
-            gfx.DrawImage(image, x, y); // don't scale
-            return Task.CompletedTask;
-        }
 
         var area = width * height;
 
         var inner = image.PixelWidth / (double)image.PixelHeight * area;
         var Width = Math.Sqrt(inner);
         var Height = Width * image.PixelHeight / image.PixelWidth;
-        var ScaledMargin = isVertical ? width : height;
-        if (Width > ScaledMargin) {
-            var ratio = Width / ScaledMargin;
+        
+        if (Width > width) {
+            var ratio = Width / width;
             Width /= ratio;
             Height /= ratio;
         }
-        if (isVertical) {
-            x += (int)((width - Width) / 2);
+        
+        if (Height < height) {
             y += (int)((height - Height) / 2);
-        } else {
-            x += (int)((height - Width) / 2);
-            y += (int)((width - Height) / 2);
         }
+        
+        if (Width < width) {
+            x += (int)((width - Width) / 2);
+        }
+        
         gfx.DrawImage(image, x, y, (int)Width, (int)Height);//scale to A4
         return Task.CompletedTask;
     }
diff --git a/PdfTool/Controller/PdfMerger.cs b/PdfTool/Controller/PdfMerger.cs
index 75b6ec7..6a7ffec 100644
--- a/PdfTool/Controller/PdfMerger.cs
+++ b/PdfTool/Controller/PdfMerger.cs
@@ -36,12 +36,6 @@ public async Task<Result> MergeDocumentsAsync(string[] filePaths, string request
         var filePath = Path.Combine(directory!, newFileName);
         var outputPath = Path.ChangeExtension(filePath, ".pdf");
 
-        if (File.Exists(outputPath)) {
-            fileName += "(1)";
-            filePath = Path.Combine(directory!, fileName);
-            outputPath = Path.ChangeExtension(filePath, ".pdf");
-        }
-
         PdfDocument document = new PdfDocument();
         document.Info.Title = fileName;
 
@@ -91,6 +85,6 @@ private static Task<string> NewFileName(string fileName, string directory) {
         }
 
         var timeStamp = DateTime.Now.ToString("yyyyMMddHHmmss");
-        return Task.FromResult($"{fileName}-({timeStamp})");
+        return Task.FromResult($"{fileName}-{timeStamp}");
     }
 }
diff --git a/PdfTool/MainWindow.xaml.cs b/PdfTool/MainWindow.xaml.cs
index 9ad31f2..63f4b59 100644
--- a/PdfTool/MainWindow.xaml.cs
+++ b/PdfTool/MainWindow.xaml.cs
@@ -82,8 +82,5 @@ private void OnDragLeave(object sender, DragEventArgs e) {
         border.Background = Brushes.Lavender;
     }
 
-    private void BtnMaintainAspectRatio_Click(object sender, RoutedEventArgs e) {
-        _settings.MaintainAspectRatio = BtnMaintainAspectRatio.IsChecked;
-        MessageBox.Show(_settings.MaintainAspectRatio.ToString());
-    }
+    private void BtnMaintainAspectRatio_Click(object sender, RoutedEventArgs e) => _settings.MaintainAspectRatio = BtnMaintainAspectRatio.IsChecked;
 }