diff --git a/scripts/CMakeLists.txt b/scripts/CMakeLists.txt
index 34dedb724a..8f9b5845b8 100644
--- a/scripts/CMakeLists.txt
+++ b/scripts/CMakeLists.txt
@@ -3,9 +3,11 @@ install( DIRECTORY videowall DESTINATION ${DATA_INSTALL_DIR}/${KWIN_NAME}/script
 install( DIRECTORY synchronizeskipswitcher DESTINATION ${DATA_INSTALL_DIR}/${KWIN_NAME}/scripts )
 install( DIRECTORY desktopchangeosd DESTINATION ${DATA_INSTALL_DIR}/${KWIN_NAME}/scripts )
 install( DIRECTORY enforcedeco DESTINATION ${DATA_INSTALL_DIR}/${KWIN_NAME}/scripts )
+install( DIRECTORY minimizeall DESTINATION ${DATA_INSTALL_DIR}/${KWIN_NAME}/scripts )
 
 # service files
 install( FILES videowall/metadata.desktop DESTINATION ${SERVICES_INSTALL_DIR} RENAME kwin-script-videowall.desktop )
 install( FILES synchronizeskipswitcher/metadata.desktop DESTINATION ${SERVICES_INSTALL_DIR} RENAME kwin-script-synchronizeskipswitcher.desktop )
 install( FILES desktopchangeosd/metadata.desktop DESTINATION ${SERVICES_INSTALL_DIR} RENAME kwin-script-desktopchangeosd.desktop )
 install( FILES enforcedeco/metadata.desktop DESTINATION ${SERVICES_INSTALL_DIR} RENAME kwin-script-enforcedeco.desktop )
+install( FILES minimizeall/metadata.desktop DESTINATION ${SERVICES_INSTALL_DIR} RENAME kwin-script-minimizeall.desktop )
diff --git a/scripts/minimizeall/contents/code/main.js b/scripts/minimizeall/contents/code/main.js
new file mode 100644
index 0000000000..30b26b2be8
--- /dev/null
+++ b/scripts/minimizeall/contents/code/main.js
@@ -0,0 +1,48 @@
+/********************************************************************
+ KWin - the KDE window manager
+ This file is part of the KDE project.
+
+ Copyright (C) 2014 Thomas Lübking <thomas.luebking@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*********************************************************************/
+
+function isRelevant(client) {
+    return client.minimizable &&
+           (client.onAllDesktops || client.desktop === workspace.currentDesktop);
+           (!client.activities.length || client.activities.indexOf(workspace.currentActivity.toString()) > -1);
+}
+
+var minimizeAllWindows = function() {
+    var allClients = workspace.clientList();
+    var clients = [];
+    var minimize = true;
+    for (var i = 0; i < allClients.length; ++i) {
+        if (isRelevant(allClients[i])) {
+            clients.push(allClients[i]);
+            if (allClients[i].minimizedForMinimizeAll === true) {
+                minimize = false;
+            }
+        }
+    }
+    for (var i = 0; i < clients.length; ++i) {
+        if (minimize && clients[i].minimized)
+            continue;
+        clients[i].minimized = minimize;
+        clients[i].minimizedForMinimizeAll = minimize;
+    }
+    clients = [];
+}
+
+registerShortcut("MinimizeAll", "MinimizeAll", "Meta+Shift+D", minimizeAllWindows);
diff --git a/scripts/minimizeall/metadata.desktop b/scripts/minimizeall/metadata.desktop
new file mode 100644
index 0000000000..6a0fe325a1
--- /dev/null
+++ b/scripts/minimizeall/metadata.desktop
@@ -0,0 +1,19 @@
+[Desktop Entry]
+Name=MinimizeAll
+Comment=Adds a shortcut to minimize all windows or unminize all such way minimized windows
+Icon=preferences-system-windows-script-test
+
+Type=Service
+
+X-Plasma-API=javascript
+X-Plasma-MainScript=code/main.js
+
+X-KDE-PluginInfo-Author=Thomas Lübking
+X-KDE-PluginInfo-Email=thomas.luebking@gmail.com
+X-KDE-PluginInfo-Name=minimizeall
+X-KDE-PluginInfo-Version=1.0
+
+X-KDE-PluginInfo-Depends=
+X-KDE-PluginInfo-License=GPL
+X-KDE-ServiceTypes=KWin/Script
+X-KDE-PluginKeyword=minimizeall