diff --git a/data/en.mse-locale/locale b/data/en.mse-locale/locale
index cf3f8a41..a6f895f3 100644
--- a/data/en.mse-locale/locale
+++ b/data/en.mse-locale/locale
@@ -485,14 +485,20 @@ label:
 	# Preferences
 	language : Language
 	windows : Open sets
-	app language : Language of the user interface :
-	card display : Card Display
-	zoom : &Zoom :
-	export : &Export :
+	app language : Language of the user interface :
+	card display : Card Display
+	storage : Storage
+	zoom : &Zoom:
+	export : &Export:
+	scale : &Internal Scale:
 	percent of normal:	% of normal size
 	external programs:	External programs
 	apprentice:			&Apprentice:
-	apprentice exe:		Apprentice Executable
+	apprentice exe:		Apprentice Executable
+	internal scale desc:
+		Scale to internally store card images at.
+		Changing this may impact how Sharpening looks.
+		Does not retroactively apply to existing images.
 	check at startup:	Check for new versions at startup
 	checking requires internet:
 		Checking for updates requires an internet connection.
@@ -521,8 +527,8 @@ label:
 	html export options:Export options
 	
 	# Image slicer
-	original:			Original:
-	result:				Result:
+	original:			Original (%s x %s):
+	result:				Result (%s x %s):
 	size:				Size
 	original size:			&Original Size
 	size to fit:			Size to &Fit
@@ -613,7 +619,8 @@ button:
 	check now:			Check &Now
 	always:							Always
 	if internet connection exists:	If internet connection exists
-	never:							Never
+	never:							Never
+	internal image extension: Store images internally with extension
 	
 	# Column select
 	move up:			Move &Up
@@ -675,7 +682,8 @@ title:
 	preferences:		Preferences
 	global:					Global
 	display:				Display
-	directories:			Directories
+	directories:			Directories
+	internal:               Internal
 	updates:				Updates
 	update check:			Update Check
 	locate apprentice:		Locate Apprentice
diff --git a/src/data/settings.cpp b/src/data/settings.cpp
index 4089c0df..12aeebae 100644
--- a/src/data/settings.cpp
+++ b/src/data/settings.cpp
@@ -171,7 +171,9 @@ Settings::Settings()
   , symbol_grid_size     (30)
   , symbol_grid          (true)
   , symbol_grid_snap     (false)
-  , print_layout         (LAYOUT_NO_SPACE)
+  , print_layout         (LAYOUT_NO_SPACE)
+  , internal_scale       (1.0)
+  , internal_image_extension(true)
   #if USE_OLD_STYLE_UPDATE_CHECKER
   , updates_url          (_("http://magicseteditor.sourceforge.net/updates"))
   #endif
@@ -257,7 +259,9 @@ IMPLEMENT_REFLECTION_NO_SCRIPT(Settings) {
   REFLECT(symbol_grid_snap);
   REFLECT(default_game);
   REFLECT(print_layout);
-  REFLECT(apprentice_location);
+  REFLECT(apprentice_location);
+  REFLECT(internal_scale);
+  REFLECT(internal_image_extension);
   #if USE_OLD_STYLE_UPDATE_CHECKER
     REFLECT(updates_url);
   #else
diff --git a/src/data/settings.hpp b/src/data/settings.hpp
index fcb3d340..7d022df0 100644
--- a/src/data/settings.hpp
+++ b/src/data/settings.hpp
@@ -192,7 +192,11 @@ public:
   
   // --------------------------------------------------- : Special game stuff
   String apprentice_location;
-  
+  
+  // --------------------------------------------------- : Internal settings
+  double internal_scale;
+  bool internal_image_extension;
+
   // --------------------------------------------------- : Update checking
   #if USE_OLD_STYLE_UPDATE_CHECKER
     String updates_url;
diff --git a/src/gui/image_slice_window.cpp b/src/gui/image_slice_window.cpp
index 9509bf8d..8e4e4636 100644
--- a/src/gui/image_slice_window.cpp
+++ b/src/gui/image_slice_window.cpp
@@ -13,7 +13,7 @@
 #include <util/rotation.hpp>
 #include <gfx/gfx.hpp>
 #include <wx/spinctrl.h>
-#include <wx/dcbuffer.h>
+#include <wx/dcbuffer.h>
 
 // ----------------------------------------------------------------------------- : ImageSlice
 
@@ -133,11 +133,11 @@ ImageSliceWindow::ImageSliceWindow(Window* parent, const Image& source, const wx
     // top row: image editors
     wxSizer* s2 = new wxBoxSizer(wxHORIZONTAL);
       wxSizer* s3 = new wxBoxSizer(wxVERTICAL);
-        s3->Add(new wxStaticText(this, wxID_ANY, _LABEL_("original")));
+        s3->Add(new wxStaticText(this, wxID_ANY, _LABEL_2_("original", to_string(slice.source.GetWidth()), to_string(slice.source.GetHeight()))));
         s3->Add(selector, 1, wxEXPAND | wxTOP, 4);
       s2->Add(s3, 1, wxEXPAND | wxALL, 4);
       wxSizer* s4 = new wxBoxSizer(wxVERTICAL);
-        s4->Add(new wxStaticText(this, wxID_ANY, _LABEL_("result")));
+        s4->Add(new wxStaticText(this, wxID_ANY, _LABEL_2_("result", to_string(slice.target_size.GetWidth()), to_string(slice.target_size.GetHeight()))));
         s4->Add(preview, 0, wxTOP, 4);
       s2->Add(s4, 0, wxALL, 4);
     s->Add(s2, 1, wxEXPAND);
@@ -388,8 +388,14 @@ void ImageSlicePreview::update() {
 
 wxSize ImageSlicePreview::DoGetBestSize() const {
   // We know the client size we want, calculate the size that goes with that
-  wxSize ws = GetSize(), cs = GetClientSize();
-  return slice.target_size + ws - cs;
+  wxSize ws = GetSize(), cs = GetClientSize();
+
+  float target_ratio = ((float)slice.target_size.GetWidth()) / ((float)slice.target_size.GetHeight());
+  if (target_ratio > 1.0) {
+    return wxSize(500, 500 / target_ratio);
+  } else {
+    return wxSize(500 * target_ratio, 500);
+  }
 }
 
 void ImageSlicePreview::onPaint(wxPaintEvent&) {
@@ -413,7 +419,11 @@ void ImageSlicePreview::draw(DC& dc) {
       mdc.SelectObject(wxNullBitmap);
     } else {
       bitmap = Bitmap(image);
-    }
+    }
+
+    // Rescale the bitmap based on the available size.
+    auto available_size = DoGetBestSize();
+    bitmap = wxBitmap(bitmap.ConvertToImage().Scale(available_size.GetWidth(), available_size.GetHeight()));
   }
   if (bitmap.Ok()) {
     dc.DrawBitmap(bitmap, 0, 0);
@@ -467,8 +477,14 @@ ImageSliceSelector::ImageSliceSelector(Window* parent, int id, ImageSlice& slice
   : wxControl(parent, id, wxDefaultPosition, wxDefaultSize, wxBORDER_THEME)
   , slice(slice)
   , mouse_down(false)
-{
-  SetMinSize(wxSize(400, 300));
+{
+  
+  float target_ratio = ((float) slice.source.GetWidth()) / ((float) slice.source.GetHeight());
+  if (target_ratio > 1.0) {
+    SetMinSize(wxSize(500, 500 / target_ratio));
+  } else {
+    SetMinSize(wxSize(500 * target_ratio, 500));
+  }
   SetBackgroundStyle(wxBG_STYLE_PAINT);
 }
 
diff --git a/src/gui/preferences_window.cpp b/src/gui/preferences_window.cpp
index 96d255c5..6065e69d 100644
--- a/src/gui/preferences_window.cpp
+++ b/src/gui/preferences_window.cpp
@@ -65,6 +65,23 @@ private:
   void updateZoom();
   void onExportZoomChange(wxCommandEvent&);
   void updateExportZoom();
+};
+
+class InternalPreferencesPage : public PreferencesPage {
+public:
+  InternalPreferencesPage(Window* parent);
+  void store() override;
+
+private:
+  DECLARE_EVENT_TABLE();
+
+  wxCheckBox* internal_image_extension;
+
+  wxComboBox* internal_scale;
+  int internal_scale_int;
+
+  void onInternalScaleChange(wxCommandEvent&);
+  void updateInternalScale();
 };
 
 // Preferences page for directories of programs
@@ -107,7 +124,8 @@ PreferencesWindow::PreferencesWindow(Window* parent)
   // init notebook
   wxNotebook* nb = new wxNotebook(this, ID_NOTEBOOK);
   nb->AddPage(new GlobalPreferencesPage (nb), _TITLE_("global"));
-  nb->AddPage(new DisplayPreferencesPage(nb), _TITLE_("display"));
+  nb->AddPage(new DisplayPreferencesPage(nb), _TITLE_("display"));
+  nb->AddPage(new InternalPreferencesPage(nb), _TITLE_("internal"));
   nb->AddPage(new DirsPreferencesPage   (nb), _TITLE_("directories"));
   nb->AddPage(new UpdatePreferencesPage (nb), _TITLE_("updates"));
   
@@ -184,7 +202,7 @@ void GlobalPreferencesPage::store() {
   // set the_locale?
   // open_sets_in_new_window
   settings.open_sets_in_new_window = open_sets_in_new_window->GetValue();
-}
+}
 
 // ----------------------------------------------------------------------------- : Preferences page : display
 
@@ -293,7 +311,61 @@ BEGIN_EVENT_TABLE(DisplayPreferencesPage, wxPanel)
   EVT_COMBOBOX(ID_EXPORT_ZOOM, DisplayPreferencesPage::onExportZoomChange)
   EVT_TEXT_ENTER(ID_EXPORT_ZOOM, DisplayPreferencesPage::onExportZoomChange)
 END_EVENT_TABLE  ()
+
+// ----------------------------------------------------------------------------- : Preferences page : internal
+
+InternalPreferencesPage::InternalPreferencesPage(Window* parent) : PreferencesPage(parent) {
+  internal_image_extension = new wxCheckBox(this, wxID_ANY, _BUTTON_("internal image extension"));
+  internal_scale = new wxComboBox(this, ID_INTERNAL_SCALE);
+
+  internal_image_extension->SetValue(settings.internal_image_extension);
+
+  internal_scale_int = static_cast<int>(settings.internal_scale * 100);
+  internal_scale->SetValue(String::Format(_("%d%%"), internal_scale_int));
+
+  int choices[] = { 100,200 };
+  for (unsigned int i = 0; i < sizeof(choices) / sizeof(choices[0]); ++i) {
+    internal_scale->Append(String::Format(_("%d%%"), choices[i]));
+  }
+
+  wxSizer* s = new wxBoxSizer(wxVERTICAL);
+  wxSizer* s2 = new wxStaticBoxSizer(wxVERTICAL, this, _LABEL_("storage"));
+    wxSizer* s3 = new wxBoxSizer(wxHORIZONTAL);
+      s3->Add(new wxStaticText(this, wxID_ANY, _LABEL_("scale")), 0, wxALL & ~wxLEFT, 4);
+      s3->AddSpacer(2);
+      s3->Add(internal_scale);
+      s3->Add(new wxStaticText(this, wxID_ANY, _LABEL_("percent of normal")), 1, wxALL & ~wxRIGHT, 4);
+    s2->Add(s3);
+    s2->Add(new wxStaticText(this, wxID_ANY, _LABEL_("internal scale desc")), 0, wxALL & ~wxLEFT, 4);
+    s2->Add(internal_image_extension, 0, wxEXPAND | wxALL, 4);
+  s->Add(s2, 0, wxEXPAND | wxALL, 8);
+  s->SetSizeHints(this);
+  SetSizer(s);
+}
+
+void InternalPreferencesPage::store() {
+  settings.internal_image_extension = internal_image_extension->GetValue();
+
+  updateInternalScale();
+  settings.internal_scale = internal_scale_int / 100.0;
+}
+
+void InternalPreferencesPage::onInternalScaleChange(wxCommandEvent&) {
+  updateInternalScale();
+}
 
+void InternalPreferencesPage::updateInternalScale() {
+  String s = internal_scale->GetValue();
+  int i = internal_scale_int;
+  if (wxSscanf(s.c_str(), _("%u"), &i)) {
+    internal_scale_int = min(max(i, 1), 1000);
+  }
+  internal_scale->SetValue(String::Format(_("%d%%"), (int)internal_scale_int));
+}
+
+BEGIN_EVENT_TABLE(InternalPreferencesPage, wxPanel)
+  EVT_COMBOBOX(ID_INTERNAL_SCALE, InternalPreferencesPage::onInternalScaleChange)
+END_EVENT_TABLE()
 
 // ----------------------------------------------------------------------------- : Preferences page : directories
 
diff --git a/src/gui/value/image.cpp b/src/gui/value/image.cpp
index 9e32eaf2..2ba17163 100644
--- a/src/gui/value/image.cpp
+++ b/src/gui/value/image.cpp
@@ -40,12 +40,16 @@ void ImageValueEditor::sliceImage(const Image& image) {
   GeneratedImage::Options options((int)style().width, (int)style().height, &parent.getStylePackage(), &parent.getLocalPackage());
   AlphaMask mask;
   style().mask.getNoCache(options,mask);
-  // slice
-  ImageSliceWindow s(wxGetTopLevelParent(&editor()), image, style().getSize(), mask);
+  // slice
+  // Specify a desired size based on the stylesheet and a scale multiplier defined within the user's settings.
+  // Storing at a greater than 100% resolution allows for better exports >100%, but may change how images look when filters (sharpen) are applied.
+  // Additionally, this bloats the set file size as even under-resolution images are upscaled to the new minimum size.
+  RealSize desired_slice_size = RealSize(style().getSize().width * settings.internal_scale, style().getSize().height * settings.internal_scale);
+  ImageSliceWindow s(wxGetTopLevelParent(&editor()), image, desired_slice_size, mask);
   // clicked ok?
   if (s.ShowModal() == wxID_OK) {
     // store the image into the set
-    LocalFileName new_image_file = getLocalPackage().newFileName(field().name,_(".png")); // a new unique name in the package
+    LocalFileName new_image_file = getLocalPackage().newFileName(field().name, settings.internal_image_extension ? _(".png") : _("")); // a new unique name in the package
     Image img = s.getImage();
     img.SaveFile(getLocalPackage().nameOut(new_image_file), wxBITMAP_TYPE_PNG); // always use PNG images, see #69. Disk space is cheap anyway.
     addAction(value_action(valueP(), new_image_file));
diff --git a/src/util/locale.hpp b/src/util/locale.hpp
index b6eae98a..8009cda4 100644
--- a/src/util/locale.hpp
+++ b/src/util/locale.hpp
@@ -87,7 +87,11 @@ String tr(const Package&, const String& subcat, const String& key, DefaultLocale
 #define _TOOLTIP_1_(s,a)  format_string(_TOOLTIP_(s), a)
 
 /// A localized string for tooltip labels, with 1 argument (printf style)
-#define _LABEL_1_(s,a)    format_string(_LABEL_(s),   a)
+#define _LABEL_1_(s,a)     format_string(_LABEL_(s),   a)
+/// A localized string for tooltip labels, with 2 argument (printf style)
+#define _LABEL_2_(s,a,b)   format_string(_LABEL_(s),   a, b)
+/// A localized string for tooltip labels, with 3 argument (printf style)
+#define _LABEL_3_(s,a,b,c) format_string(_LABEL_(s),   a, b, c)
 
 /// A localized string for button text, with 1 argument (printf style)
 #define _BUTTON_1_(s,a)    format_string(_BUTTON_(s), a)
diff --git a/src/util/window_id.hpp b/src/util/window_id.hpp
index 2ec455f4..568046be 100644
--- a/src/util/window_id.hpp
+++ b/src/util/window_id.hpp
@@ -281,7 +281,9 @@ enum ControlID {
   ID_EXPORT_ZOOM_X,
   ID_EXPORT_ZOOM_Y,
   ID_SHARPEN,
-  ID_SHARPEN_AMOUNT,
+  ID_SHARPEN_AMOUNT,
+  // Internal window
+  ID_INTERNAL_SCALE,
   // Updates window
   ID_PACKAGE_LIST,
   ID_KEEP,