diff --git a/demo-edit/src/main/java/org/sudu/experiments/diff/FileDiffScene.java b/demo-edit/src/main/java/org/sudu/experiments/diff/FileDiffScene.java
new file mode 100644
index 000000000..07ced34af
--- /dev/null
+++ b/demo-edit/src/main/java/org/sudu/experiments/diff/FileDiffScene.java
@@ -0,0 +1,40 @@
+package org.sudu.experiments.diff;
+
+import org.sudu.experiments.SceneApi;
+import org.sudu.experiments.editor.ThemeControl;
+import org.sudu.experiments.editor.WindowScene;
+import org.sudu.experiments.editor.ui.colors.EditorColorScheme;
+import org.sudu.experiments.fonts.Fonts;
+import org.sudu.experiments.math.V2i;
+
+public class FileDiffScene extends WindowScene implements ThemeControl {
+   EditorColorScheme theme = EditorColorScheme.darkIdeaColorScheme();
+
+   FileDiffWindow w;
+
+  public FileDiffScene(SceneApi api) {
+    super(api, false);
+  }
+
+  public String[] menuFonts() {
+    return Fonts.editorFonts(true);
+  }
+
+  @Override
+  public void applyTheme(EditorColorScheme t) {
+      theme = t;
+      if (w != null) w.applyTheme(t);
+  }
+
+  @Override
+  public void onResize(V2i newSize, float newDpr) {
+    boolean init = windowManager.uiContext.dpr == 0;
+    super.onResize(newSize, newDpr);
+    if (init) {
+      w = new FileDiffWindow(windowManager, theme, this::menuFonts);
+      w.window.fullscreen();
+    }
+  }
+
+  public void setReadonly(boolean flag) {}
+}
diff --git a/demo-test-scenes/src/main/java/org/sudu/experiments/editor/TestSceneSelector.java b/demo-test-scenes/src/main/java/org/sudu/experiments/editor/TestSceneSelector.java
index 72d3db2f3..e629049ff 100644
--- a/demo-test-scenes/src/main/java/org/sudu/experiments/editor/TestSceneSelector.java
+++ b/demo-test-scenes/src/main/java/org/sudu/experiments/editor/TestSceneSelector.java
@@ -57,6 +57,7 @@ public static Function<SceneApi, Scene> selectScene(String name) {
       case "FolderTransferDemo" -> FolderTransferDemo::new;
       case "FolderDiff" -> FolderDiff::new;
       case "FolderDiffScene" -> FolderDiffScene::new;
+      case "FileDiffScene" -> FileDiffScene::new;
 
 //      case "#wasm" -> new WasmDemo(api);
     };