diff --git a/PhotoLocator/BitmapOperations/IIRSmoothOperation.cs b/PhotoLocator/BitmapOperations/IIRSmoothOperation.cs
index 180c696..55b76ed 100644
--- a/PhotoLocator/BitmapOperations/IIRSmoothOperation.cs
+++ b/PhotoLocator/BitmapOperations/IIRSmoothOperation.cs
@@ -1,8 +1,7 @@
 using System.Diagnostics;
-using System.Threading.Tasks;
-using System.Runtime.Intrinsics;
-using System.Runtime.Intrinsics.X86;
 using System.Numerics;
+using System.Runtime.Intrinsics;
+using System.Threading.Tasks;
 
 namespace PhotoLocator.BitmapOperations
 {
diff --git a/PhotoLocator/JpegTransformCommands.cs b/PhotoLocator/ImageTransformCommands.cs
similarity index 80%
rename from PhotoLocator/JpegTransformCommands.cs
rename to PhotoLocator/ImageTransformCommands.cs
index ab494d7..1705c1f 100644
--- a/PhotoLocator/JpegTransformCommands.cs
+++ b/PhotoLocator/ImageTransformCommands.cs
@@ -12,7 +12,7 @@
 
 namespace PhotoLocator
 {
-    public sealed class JpegTransformCommands
+    public sealed class ImageTransformCommands
     {
         public const string AstroCommandParameter = "Astro";
 
@@ -20,7 +20,7 @@ public sealed class JpegTransformCommands
 
         private bool HasFileSelected(object? o) => _mainViewModel.SelectedItem is not null && _mainViewModel.SelectedItem.IsFile;
 
-        public JpegTransformCommands(IMainViewModel mainViewModel)
+        public ImageTransformCommands(IMainViewModel mainViewModel)
         {
             _mainViewModel = mainViewModel;
         }
@@ -200,5 +200,46 @@ await _mainViewModel.RunProcessWithProgressBarAsync((progressCallback, ct) => Ta
                 }
             }, ct), "Batch process");
         }
+
+        public ICommand ConvertFileFormatCommand => new RelayCommand(async o =>
+        {
+            var allSelected = _mainViewModel.GetSelectedItems(true).ToArray();
+            if (allSelected.Length == 0)
+                return;
+            var targetType = o as string ?? throw new ArgumentException("Invalid target type");
+
+            var browser = new System.Windows.Forms.FolderBrowserDialog();
+            browser.InitialDirectory = Path.GetDirectoryName(allSelected[0].FullPath)!;
+            browser.Description = $"Select target folder for converted {targetType} files";
+            browser.UseDescriptionForTitle = true;
+            if (browser.ShowDialog() != System.Windows.Forms.DialogResult.OK)
+                return;
+            var targetDir = browser.SelectedPath;
+            var targetIsSourceDir = string.Equals(targetDir, browser.InitialDirectory, StringComparison.OrdinalIgnoreCase);
+
+            await _mainViewModel.RunProcessWithProgressBarAsync(async (progressCallback, ct) =>
+            {
+                var overwriteAll = false;
+                int i = 0;
+                foreach (var item in allSelected)
+                {
+                    var targetFileName = targetIsSourceDir ? Path.ChangeExtension(item.GetProcessedFileName(), targetType)
+                        : Path.Combine(targetDir, Path.GetFileNameWithoutExtension(item.Name) + "." + targetType);
+                    if (!overwriteAll && File.Exists(targetFileName))
+                    {
+                        if (MessageBox.Show(App.Current.MainWindow, $"File {targetFileName} already exists. Overwrite all conflicting files?",
+                            "Confirm Overwrite All", MessageBoxButton.OKCancel, MessageBoxImage.Question) != MessageBoxResult.OK)
+                            break;
+                        overwriteAll = true;
+                    }
+
+                    var (image, itemMetadata) = await LoadImageWithMetadataAsync(item);
+                    await Task.Run(() => GeneralFileFormatHandler.SaveToFile(image, targetFileName,
+                        ExifHandler.ResetOrientation(itemMetadata), _mainViewModel.Settings.JpegQuality), ct);
+
+                    progressCallback((double)(++i) / allSelected.Length);
+                }
+            }, "Convert to " + targetType);
+        });
     }
 }
diff --git a/PhotoLocator/MainViewModel.cs b/PhotoLocator/MainViewModel.cs
index 1674416..280d35d 100644
--- a/PhotoLocator/MainViewModel.cs
+++ b/PhotoLocator/MainViewModel.cs
@@ -1073,7 +1073,7 @@ await ExifTool.SetTimestampAsync(item.FullPath, item.GetProcessedFileName(), tim
                 if (SelectedItem is not null && SelectedItem.IsVideo)
                     VideoTransformCommandsShared.CropSelected(cropRectangle);
                 else
-                    await JpegTransformCommands.CropSelectedItemAsync(PreviewPictureSource, cropRectangle);
+                    await ImageTransformCommands.CropSelectedItemAsync(PreviewPictureSource, cropRectangle);
             }
             else
             {
@@ -1087,7 +1087,7 @@ await ExifTool.SetTimestampAsync(item.FullPath, item.GetProcessedFileName(), tim
 
         public ICommand ToggleLogCommand => new RelayCommand(o => LogViewHeight = LogViewHeight > 4 ? 4 : 100);
 
-        public JpegTransformCommands JpegTransformCommands => field ??= new(this);
+        public ImageTransformCommands ImageTransformCommands => field ??= new(this);
 
         public VideoTransformCommands VideoTransformCommands => new(this);
 
diff --git a/PhotoLocator/MainWindow.xaml b/PhotoLocator/MainWindow.xaml
index c855d04..d5eef7c 100644
--- a/PhotoLocator/MainWindow.xaml
+++ b/PhotoLocator/MainWindow.xaml
@@ -31,11 +31,11 @@
         <KeyBinding Key="D4" Modifiers="Ctrl" Command="{Binding Zoom400Command}" />
         <KeyBinding Key="E" Modifiers="Ctrl" Command="{Binding ExploreCommand}" />
         <KeyBinding Key="F" Modifiers="Ctrl" Command="{Binding QuickSearchCommand}" />
-        <KeyBinding Key="L" Modifiers="Ctrl" Command="{Binding JpegTransformCommands.LocalContrastCommand}" />
+        <KeyBinding Key="L" Modifiers="Ctrl" Command="{Binding ImageTransformCommands.LocalContrastCommand}" />
         <KeyBinding Key="O" Modifiers="Ctrl" Command="{Binding BrowseForPhotosCommand}" />
         <KeyBinding Key="P" Modifiers="Ctrl" Command="{Binding VideoTransformCommandsShared.ProcessSelected}" />
         <KeyBinding Key="Q" Modifiers="Ctrl" Command="{Binding ViewModeCommand}" />
-        <KeyBinding Key="R" Modifiers="Ctrl" Command="{Binding JpegTransformCommands.LocalContrastCommand}" CommandParameter="{x:Static local:JpegTransformCommands.AstroCommandParameter}"/>
+        <KeyBinding Key="R" Modifiers="Ctrl" Command="{Binding ImageTransformCommands.LocalContrastCommand}" CommandParameter="{x:Static local:ImageTransformCommands.AstroCommandParameter}"/>
         <KeyBinding Key="S" Modifiers="Ctrl" Command="{Binding SaveGeotagsCommand}" />
         <KeyBinding Key="T" Modifiers="Ctrl" Command="{Binding AutoGeotagCommand}" />
         <KeyBinding Key="V" Modifiers="Ctrl" Command="{Binding PasteLocationCommand}" />
@@ -119,7 +119,7 @@
                     ToolTip="Rename (F2)" Width="32" />
             <Button Content="&#xECC5;" FontFamily="Segoe MDL2 Assets" FontSize="18" Command="{Binding AdjustTimestampsCommand}"
                     ToolTip="Adjust timestamps" Width="32" />
-            <Button Content="&#xE790;" FontFamily="Segoe MDL2 Assets" FontSize="18" Command="{Binding JpegTransformCommands.LocalContrastCommand}"
+            <Button Content="&#xE790;" FontFamily="Segoe MDL2 Assets" FontSize="18" Command="{Binding ImageTransformCommands.LocalContrastCommand}"
                     ToolTip="Local contrast, brightness and colors (Ctrl+L)" Width="32" />
             <Button Content="&#xE714;" FontFamily="Segoe MDL2 Assets" FontSize="18" Command="{Binding VideoTransformCommandsShared.ProcessSelected}"
                     ToolTip="Process video (Ctrl+P)" Width="32" />
@@ -201,7 +201,7 @@
                                 <TextBlock FontFamily="Segoe MDL2 Assets" Text="&#xE77F;" FontSize="14" />
                             </MenuItem.Icon>
                         </MenuItem>
-                        <MenuItem Header="Reset rotation tag" Command="{Binding JpegTransformCommands.Rotate0Command}" />
+                        <MenuItem Header="Reset rotation tag" Command="{Binding ImageTransformCommands.Rotate0Command}" />
                         <MenuItem Header="Show metadata" Command="{Binding ShowMetadataCommand}" />
                     </MenuItem>
                     <Separator />
@@ -214,18 +214,18 @@
                     <MenuItem Header="Open Explorer (Ctrl+E)" Command="{Binding ExploreCommand}" />
                     <MenuItem Header="Shell context menu (Shift+right click)" Command="{Binding ShellContextMenuCommand}" />
                     <Separator />
-                    <MenuItem Header="Local contrast, brightness and colors (Ctrl+L)" Command="{Binding JpegTransformCommands.LocalContrastCommand}">
+                    <MenuItem Header="Local contrast, brightness and colors (Ctrl+L)" Command="{Binding ImageTransformCommands.LocalContrastCommand}">
                         <MenuItem.Icon>
                             <TextBlock FontFamily="Segoe MDL2 Assets" Text="&#xE790;" FontSize="14" />
                         </MenuItem.Icon>
                     </MenuItem>
-                    <MenuItem Header="Astrophoto stretch (Ctrl+R)" Command="{Binding JpegTransformCommands.LocalContrastCommand}" CommandParameter="{x:Static local:JpegTransformCommands.AstroCommandParameter}">
+                    <MenuItem Header="Astrophoto stretch (Ctrl+R)" Command="{Binding ImageTransformCommands.LocalContrastCommand}" CommandParameter="{x:Static local:ImageTransformCommands.AstroCommandParameter}">
                         <MenuItem.Icon>
                             <TextBlock FontFamily="Segoe MDL2 Assets" Text="&#xE734;" FontSize="14" />
                         </MenuItem.Icon>
                     </MenuItem>
                     <MenuItem Header="Transform jpeg" >
-                        <MenuItem Header="Rotate left" Command="{Binding JpegTransformCommands.RotateLeftCommand}">
+                        <MenuItem Header="Rotate left" Command="{Binding ImageTransformCommands.RotateLeftCommand}">
                             <MenuItem.Icon>
                                 <TextBlock FontFamily="Segoe MDL2 Assets" Text="&#xE7AD;" FontSize="14" >
                                     <TextBlock.RenderTransform>
@@ -234,12 +234,12 @@
                                 </TextBlock>
                             </MenuItem.Icon>
                         </MenuItem>
-                        <MenuItem Header="Rotate right" Command="{Binding JpegTransformCommands.RotateRightCommand}">
+                        <MenuItem Header="Rotate right" Command="{Binding ImageTransformCommands.RotateRightCommand}">
                             <MenuItem.Icon>
                                 <TextBlock FontFamily="Segoe MDL2 Assets" Text="&#xE7AD;" FontSize="14" />
                             </MenuItem.Icon>
                         </MenuItem>
-                        <MenuItem Header="Rotate 180°" Command="{Binding JpegTransformCommands.Rotate180Command}" />
+                        <MenuItem Header="Rotate 180°" Command="{Binding ImageTransformCommands.Rotate180Command}" />
                         <MenuItem Header="Crop (Alt-C)" Command="{Binding CropCommand}" IsChecked="{Binding IsCropControlVisible}">
                             <MenuItem.Icon>
                                 <TextBlock FontFamily="Segoe MDL2 Assets" Text="&#xE7A8;" FontSize="14" />
@@ -262,6 +262,13 @@
                         <MenuItem Header="Generate max frame" Command="{Binding VideoTransformCommands.GenerateMaxFrame}" />
                         <MenuItem Header="Generate time slice video" Command="{Binding VideoTransformCommands.GenerateTimeSliceVideo}" />
                     </MenuItem>
+                    <MenuItem Header="Convert to" >
+                        <MenuItem Header="JPEG (jpegli)" Command="{Binding ImageTransformCommands.ConvertFileFormatCommand}" CommandParameter="jpg"/>
+                        <MenuItem Header="TIFF (LZW)" Command="{Binding ImageTransformCommands.ConvertFileFormatCommand}" CommandParameter="tif"/>
+                        <MenuItem Header="PNG" Command="{Binding ImageTransformCommands.ConvertFileFormatCommand}" CommandParameter="png"/>
+                        <MenuItem Header="JPEG XR (lossless)" Command="{Binding ImageTransformCommands.ConvertFileFormatCommand}" CommandParameter="jxr"/>
+                        <MenuItem Header="BMP" Command="{Binding ImageTransformCommands.ConvertFileFormatCommand}" CommandParameter="bmp"/>
+                    </MenuItem>
                     <Separator />
                     <MenuItem Header="Rename (F2)" Command="{Binding RenameCommand}">
                         <MenuItem.Icon>
@@ -346,7 +353,7 @@
                         <MenuItem Header="400% (Ctrl+4)" IsCheckable="True" Name="Zoom400Item" Command="{Binding Zoom400Command}"  />
                         <Separator />
                         <MenuItem Header="Transform jpeg" >
-                            <MenuItem Header="Rotate left" Command="{Binding JpegTransformCommands.RotateLeftCommand}">
+                            <MenuItem Header="Rotate left" Command="{Binding ImageTransformCommands.RotateLeftCommand}">
                                 <MenuItem.Icon>
                                     <TextBlock FontFamily="Segoe MDL2 Assets" Text="&#xE7AD;" FontSize="14" >
                                         <TextBlock.RenderTransform>
@@ -355,12 +362,12 @@
                                     </TextBlock>
                                 </MenuItem.Icon>
                             </MenuItem>
-                            <MenuItem Header="Rotate right" Command="{Binding JpegTransformCommands.RotateRightCommand}">
+                            <MenuItem Header="Rotate right" Command="{Binding ImageTransformCommands.RotateRightCommand}">
                                 <MenuItem.Icon>
                                     <TextBlock FontFamily="Segoe MDL2 Assets" Text="&#xE7AD;" FontSize="14" />
                                 </MenuItem.Icon>
                             </MenuItem>
-                            <MenuItem Header="Rotate 180°" Command="{Binding JpegTransformCommands.Rotate180Command}" />
+                            <MenuItem Header="Rotate 180°" Command="{Binding ImageTransformCommands.Rotate180Command}" />
                             <MenuItem Header="Crop (Alt-C)" Command="{Binding CropCommand}" IsChecked="{Binding IsCropControlVisible}" >
                                 <MenuItem.Icon>
                                     <TextBlock FontFamily="Segoe MDL2 Assets" Text="&#xE7A8;" FontSize="14" />
diff --git a/PhotoLocator/Metadata/ExifHandler.cs b/PhotoLocator/Metadata/ExifHandler.cs
index 0ffad3a..7521b42 100644
--- a/PhotoLocator/Metadata/ExifHandler.cs
+++ b/PhotoLocator/Metadata/ExifHandler.cs
@@ -179,7 +179,7 @@ void TransferValue(string query1, string query2, string? query3 = null)
                     if (source.TryGetFormat() == "wmphoto")
                         return source;
                     result = new BitmapMetadata("wmphoto");
-                    setValue = 1;
+                    setValue = 2;
 
                 }
                 else if (encoder is TiffBitmapEncoder)
diff --git a/PhotoLocator/PictureFileFormats/GeneralFileFormatHandler.cs b/PhotoLocator/PictureFileFormats/GeneralFileFormatHandler.cs
index d561bd2..0a6831c 100644
--- a/PhotoLocator/PictureFileFormats/GeneralFileFormatHandler.cs
+++ b/PhotoLocator/PictureFileFormats/GeneralFileFormatHandler.cs
@@ -45,9 +45,9 @@ public static BitmapSource LoadFromStream(Stream source, Rotation rotation, int
 
         public static void SaveToFile(BitmapSource image, string targetPath, BitmapMetadata? metadata = null, int jpegQuality = 95)
         {
-            var ext = Path.GetExtension(targetPath).ToUpperInvariant();
+            var ext = Path.GetExtension(targetPath).ToLowerInvariant();
             BitmapEncoder encoder;
-            if (ext is ".JPG" or ".JPEG")
+            if (ext is ".jpg" or ".jpeg")
             {
                 if (!_jpegliChecked)
                 {
@@ -67,13 +67,13 @@ public static void SaveToFile(BitmapSource image, string targetPath, BitmapMetad
                 }
                 encoder = new JpegBitmapEncoder() { QualityLevel = jpegQuality };
             }
-            else if (ext is ".TIF" or ".TIFF")
+            else if (ext is ".tif" or ".tiff")
                 encoder = new TiffBitmapEncoder(); // Default is best compression
-            else if (ext is ".PNG")
+            else if (ext is ".png")
                 encoder = new PngBitmapEncoder();
-            else if (ext is ".BMP")
+            else if (ext is ".bmp")
                 encoder = new BmpBitmapEncoder();
-            else if (ext is ".JXR")
+            else if (ext is ".jxr")
                 encoder = new WmpBitmapEncoder() { Lossless = true };
             else
                 throw new UserMessageException("Unsupported file format " + ext);
diff --git a/PhotoLocator/PictureFileFormats/PhotoshopFileFormatHandler.cs b/PhotoLocator/PictureFileFormats/PhotoshopFileFormatHandler.cs
index 11868aa..a98df86 100644
--- a/PhotoLocator/PictureFileFormats/PhotoshopFileFormatHandler.cs
+++ b/PhotoLocator/PictureFileFormats/PhotoshopFileFormatHandler.cs
@@ -19,7 +19,7 @@ public static bool CanLoad(string extension)
             return extension == ".psd";
         }
 
-        public static BitmapSource LoadFromStream(Stream stream, Rotation rotation, int maxWidth, bool preservePixelFormat, CancellationToken ct)
+        public static BitmapSource LoadFromStream(Stream stream, CancellationToken ct)
         {
             var psd = new PsdFile(stream, new LoadContext());
             foreach (var psdLayer in (new[] { psd.BaseLayer }).Concat(psd.Layers))
diff --git a/PhotoLocator/PictureItemViewModel.cs b/PhotoLocator/PictureItemViewModel.cs
index 861160a..0a24e9b 100644
--- a/PhotoLocator/PictureItemViewModel.cs
+++ b/PhotoLocator/PictureItemViewModel.cs
@@ -310,7 +310,7 @@ private BitmapSource LoadPreviewInternal(int maxPixelWidth, bool preservePixelFo
                 if (CR3FileFormatHandler.CanLoad(ext))
                     return CR3FileFormatHandler.LoadFromStream(fileStream, Orientation, maxPixelWidth, preservePixelFormat, ct);
                 if (PhotoshopFileFormatHandler.CanLoad(ext))
-                    return PhotoshopFileFormatHandler.LoadFromStream(fileStream, Orientation, maxPixelWidth, preservePixelFormat, ct);
+                    return PhotoshopFileFormatHandler.LoadFromStream(fileStream, ct);
             }
             catch (OperationCanceledException)
             {
diff --git a/PhotoLocatorTest/Metadata/ExifHandlerTest.cs b/PhotoLocatorTest/Metadata/ExifHandlerTest.cs
index 2c30b87..a486f97 100644
--- a/PhotoLocatorTest/Metadata/ExifHandlerTest.cs
+++ b/PhotoLocatorTest/Metadata/ExifHandlerTest.cs
@@ -60,9 +60,9 @@ public void SetMetadata_ShouldSetJpegMetadataOnJpegXr()
         {
             const string TestFileName = "fromJpeg.jxr";
 
-            using var stream = GetType().Assembly.GetManifestResourceStream(@"PhotoLocator.TestData.2022-06-17_19.03.02.jpg")
+            using var sourceStream = GetType().Assembly.GetManifestResourceStream(@"PhotoLocator.TestData.2022-06-17_19.03.02.jpg")
                 ?? throw new FileNotFoundException("Resource not found");
-            var source = ExifHandler.LoadMetadata(stream) ?? throw new Exception("Unable to load metadata");
+            var source = ExifHandler.LoadMetadata(sourceStream) ?? throw new Exception("Unable to load metadata");
             Assert.IsFalse(string.IsNullOrEmpty(source.CameraModel));
 
             var bitmap = BitmapSource.Create(2, 2, 96, 96, PixelFormats.Gray8, null, new byte[4], 2);
@@ -72,7 +72,7 @@ public void SetMetadata_ShouldSetJpegMetadataOnJpegXr()
             using var targetStream = File.OpenRead(TestFileName);
             var target = ExifHandler.LoadMetadata(targetStream)!;
             Assert.AreEqual(source.CameraModel, target.CameraModel);
-            Assert.AreEqual("FC7303, " + JpegTestDataTimestamp, ExifHandler.GetMetadataString(target, targetStream));
+            Assert.AreEqual(ExifHandler.GetMetadataString(source, sourceStream), ExifHandler.GetMetadataString(target, targetStream));
             //Assert.AreEqual(ExifHandler.GetGeotag(source), ExifHandler.GetGeotag(target));
         }
 
diff --git a/PhotoLocatorTest/PictureFileFormats/PhotoshopFileFormatHandlerTest.cs b/PhotoLocatorTest/PictureFileFormats/PhotoshopFileFormatHandlerTest.cs
index 2065689..de4f3fe 100644
--- a/PhotoLocatorTest/PictureFileFormats/PhotoshopFileFormatHandlerTest.cs
+++ b/PhotoLocatorTest/PictureFileFormats/PhotoshopFileFormatHandlerTest.cs
@@ -10,7 +10,7 @@ public class PhotoshopFileFormatHandlerTest
         public void LoadFromStream_ShouldLoadG8()
         {
             using var stream = File.OpenRead(@"TestData\G8.psd");
-            var image = PhotoshopFileFormatHandler.LoadFromStream(stream, Rotation.Rotate0, 100, false, default);
+            var image = PhotoshopFileFormatHandler.LoadFromStream(stream, default);
             _ = new FloatBitmap(image, 1);
         }
 
@@ -18,7 +18,7 @@ public void LoadFromStream_ShouldLoadG8()
         public void LoadFromStream_ShouldLoadG16()
         {
             using var stream = File.OpenRead(@"TestData\G16.psd");
-            var image = PhotoshopFileFormatHandler.LoadFromStream(stream, Rotation.Rotate0, 100, false, default);
+            var image = PhotoshopFileFormatHandler.LoadFromStream(stream, default);
             _ = new FloatBitmap(image, 1);
         }
 
@@ -26,7 +26,7 @@ public void LoadFromStream_ShouldLoadG16()
         public void LoadFromStream_ShouldLoadRGB8()
         {
             using var stream = File.OpenRead(@"TestData\RGB8.psd");
-            var image = PhotoshopFileFormatHandler.LoadFromStream(stream, Rotation.Rotate0, 100, false, default);
+            var image = PhotoshopFileFormatHandler.LoadFromStream(stream, default);
             _ = new FloatBitmap(image, 1);
         }
 
@@ -34,7 +34,7 @@ public void LoadFromStream_ShouldLoadRGB8()
         public void LoadFromStream_ShouldLoadRGB16()
         {
             using var stream = File.OpenRead(@"TestData\RGB16.psd");
-            var image = PhotoshopFileFormatHandler.LoadFromStream(stream, Rotation.Rotate0, 100, false, default);
+            var image = PhotoshopFileFormatHandler.LoadFromStream(stream, default);
             _ = new FloatBitmap(image, 1);
         }
     }