diff --git a/toonz/sources/toonz/mainwindow.cpp b/toonz/sources/toonz/mainwindow.cpp
index c1a379f..aa23093 100644
--- a/toonz/sources/toonz/mainwindow.cpp
+++ b/toonz/sources/toonz/mainwindow.cpp
@@ -433,6 +433,8 @@ centralWidget->setLayout(centralWidgetLayout);*/
   setCommandHandler(MI_PickStyleLines, this, &MainWindow::togglePickStyleLines);
 
   setCommandHandler(MI_About, this, &MainWindow::onAbout);
+  setCommandHandler(MI_MaximizePanel, this, &MainWindow::maximizePanel);
+  setCommandHandler(MI_FullScreenWindow, this, &MainWindow::fullScreenWindow);
 }
 
 //-----------------------------------------------------------------------------
@@ -1094,6 +1096,21 @@ void MainWindow::resetRoomsLayout() {
       QObject::tr("The rooms will be reset the next time you run Toonz."));
 }
 
+void MainWindow::maximizePanel() {
+  DockLayout *currDockLayout = getCurrentRoom()->dockLayout();
+  QPoint p                   = mapFromGlobal(QCursor::pos());
+  QWidget *currWidget        = currDockLayout->containerOf(p);
+  DockWidget *currW          = dynamic_cast<DockWidget *>(currWidget);
+  if (currW) currW->maximizeDock();
+}
+
+void MainWindow::fullScreenWindow() {
+  if (isFullScreen())
+    setWindowState(Qt::WindowMaximized);
+  else
+    setWindowState(Qt::WindowFullScreen);
+}
+
 //-----------------------------------------------------------------------------
 
 void MainWindow::onCurrentRoomChanged(int newRoomIndex) {
@@ -1881,12 +1898,15 @@ void MainWindow::defineActions() {
 
   createMenuWindowsAction(MI_ResetRoomLayout, tr("&Reset to Default Rooms"),
                           "");
-
+  createMenuWindowsAction(MI_MaximizePanel, tr("Toggle Maximize Panel"), "`");
+  createMenuWindowsAction(MI_FullScreenWindow,
+                          tr("Toggle Main Window's Full Screen Mode"),
+                          "Ctrl+`");
   createMenuWindowsAction(MI_About, tr("&About OpenToonz..."), "");
 
   createRightClickMenuAction(MI_BlendColors, tr("&Blend colors"), "");
 
-  createToggle(MI_OnionSkin, tr("Onion Skin"), "", false,
+  createToggle(MI_OnionSkin, tr("Onion Skin Toggle"), "//", false,
                RightClickMenuCommandType);
   createToggle(MI_ZeroThick, tr("Zero Thick Lines"), "Shift+/", false, 
                RightClickMenuCommandType);
diff --git a/toonz/sources/toonz/mainwindow.h b/toonz/sources/toonz/mainwindow.h
index 2b3d8c0..8efc118 100644
--- a/toonz/sources/toonz/mainwindow.h
+++ b/toonz/sources/toonz/mainwindow.h
@@ -69,7 +69,6 @@ class MainWindow final : public QMainWindow {
   bool m_saveSettingsOnQuit;
   int m_oldRoomIndex;
   QString m_currentRoomsChoice;
-
   UpdateChecker *m_updateChecker;
 
   TopBar *m_topBar;
@@ -100,6 +99,8 @@ public:
   void onLoadScene();
   void onLoadSubScene();
   void resetRoomsLayout();
+  void maximizePanel();
+  void fullScreenWindow();
   void autofillToggle();
   void onUpgradeTabPro();
   void onAbout();
diff --git a/toonz/sources/toonz/menubarcommandids.h b/toonz/sources/toonz/menubarcommandids.h
index 7df35db..ac9a5bf 100644
--- a/toonz/sources/toonz/menubarcommandids.h
+++ b/toonz/sources/toonz/menubarcommandids.h
@@ -220,7 +220,8 @@
 #define MI_OpenXshView "MI_OpenXshView"
 #define MI_OpenCleanupSettings "MI_OpenCleanupSettings"
 #define MI_ResetRoomLayout "MI_ResetRoomLayout"
-
+#define MI_MaximizePanel "MI_MaximizePanel"
+#define MI_FullScreenWindow "MI_FullScreenWindow"
 #define MI_OnionSkin "MI_OnionSkin"
 #define MI_ZeroThick "MI_ZeroThick"
 
diff --git a/toonz/sources/toonzqt/docklayout.h b/toonz/sources/toonzqt/docklayout.h
index 9867b5a..b19472a 100644
--- a/toonz/sources/toonzqt/docklayout.h
+++ b/toonz/sources/toonzqt/docklayout.h
@@ -168,6 +168,8 @@ class DVAPI DockWidget : public QWidget {
                             // privates
   friend class DockPlaceholder;  // As above.
   // friend Region;          //Regions need access to m_saveIndex field.
+public:
+  void maximizeDock();
 
 protected:
   // Private attributes for dragging purposes
diff --git a/toonz/sources/toonzqt/dockwidget.cpp b/toonz/sources/toonzqt/dockwidget.cpp
index 3f28c25..44b58cf 100644
--- a/toonz/sources/toonzqt/dockwidget.cpp
+++ b/toonz/sources/toonzqt/dockwidget.cpp
@@ -385,6 +385,13 @@ void DockWidget::mouseDoubleClickEvent(QMouseEvent *me) {
 
 //-------------------------------------
 
+void DockWidget::maximizeDock() {
+  if (!m_floating) {
+    parentLayout()->setMaximized(this, !m_maximized);
+  }
+}
+
+//-------------------------------------
 //! Switch in selected dock placeholder's hierarchy.
 void DockWidget::wheelEvent(QWheelEvent *we) {
   if (m_dragging) {