diff --git a/interface/resources/qml/hifi/simplifiedUI/settingsApp/SettingsApp.qml b/interface/resources/qml/hifi/simplifiedUI/settingsApp/SettingsApp.qml
index ec4f1b3bd5..da3a6ab57c 100644
--- a/interface/resources/qml/hifi/simplifiedUI/settingsApp/SettingsApp.qml
+++ b/interface/resources/qml/hifi/simplifiedUI/settingsApp/SettingsApp.qml
@@ -14,16 +14,41 @@ import stylesUit 1.0 as HifiStylesUit
 import "./audio" as AudioSettings
 import "./general" as GeneralSettings
 import "./vr" as VrSettings
+import "./dev" as DevSettings
 
 Rectangle {
     property string activeTabView: "generalTabView"
     id: root
     color: simplifiedUI.colors.darkBackground
     anchors.fill: parent
+    property bool developerModeEnabled: Settings.getValue("simplifiedUI/developerModeEnabled", false)
 
     SimplifiedConstants.SimplifiedConstants {
         id: simplifiedUI
     }
+            
+    focus: true        
+    Keys.onPressed: {
+        if ((event.key == Qt.Key_D) && (event.modifiers & Qt.ControlModifier && event.modifiers & Qt.AltModifier && event.modifiers & Qt.ShiftModifier)) {
+            var currentSetting = Settings.getValue("simplifiedUI/developerModeEnabled", false);
+            var newSetting = !currentSetting;
+            Settings.setValue("simplifiedUI/developerModeEnabled", newSetting);
+            root.developerModeEnabled = newSetting;
+            if (newSetting) {
+                console.log("Developer mode ON. You are now a developer!");
+            } else {
+                console.log("Developer mode OFF.");
+                if (root.activeTabView === "devTabView") {
+                    tabListView.currentIndex = 2;
+                    root.activeTabView = "vrTabView";
+                }
+            }
+        }
+    }
+
+    Component.onCompleted: {
+        root.forceActiveFocus();
+    }
 
 
     Rectangle {
@@ -49,6 +74,10 @@ Rectangle {
                 tabTitle: "VR"
                 tabViewName: "vrTabView"
             }
+            ListElement {
+                tabTitle: "Dev"
+                tabViewName: "devTabView"
+            }
         }
 
 
@@ -70,6 +99,8 @@ Rectangle {
             highlight: highlightBar
             interactive: contentItem.width > width
             delegate: Item {
+                visible: model.tabTitle !== "Dev" || (model.tabTitle === "Dev" && root.developerModeEnabled)
+
                 width: tabTitleText.paintedWidth + 64
                 height: parent.height
 
@@ -125,6 +156,12 @@ Rectangle {
             visible: activeTabView === "vrTabView"
             anchors.fill: parent
         }
+
+        DevSettings.Dev {
+            id: devTabViewContainer
+            visible: activeTabView === "devTabView"
+            anchors.fill: parent
+        }
     }
 
     Image {
diff --git a/interface/resources/qml/hifi/simplifiedUI/settingsApp/dev/Dev.qml b/interface/resources/qml/hifi/simplifiedUI/settingsApp/dev/Dev.qml
new file mode 100644
index 0000000000..996abc3bb6
--- /dev/null
+++ b/interface/resources/qml/hifi/simplifiedUI/settingsApp/dev/Dev.qml
@@ -0,0 +1,97 @@
+//
+//  Dev.qml
+//
+//  Created by Zach Fox on 2019-06-11
+//  Copyright 2019 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import "../../simplifiedConstants" as SimplifiedConstants
+import "../../simplifiedControls" as SimplifiedControls
+import stylesUit 1.0 as HifiStylesUit
+import QtQuick.Layouts 1.3
+
+Flickable {
+    id: root
+    contentWidth: parent.width
+    contentHeight: devColumnLayout.height
+    topMargin: 24
+    bottomMargin: 24
+    clip: true
+
+    onVisibleChanged: {
+        if (visible) {
+            root.contentX = 0;
+            root.contentY = -root.topMargin;
+        }
+    }
+
+
+    SimplifiedConstants.SimplifiedConstants {
+        id: simplifiedUI
+    }
+
+    ColumnLayout {
+        id: devColumnLayout
+        anchors.left: parent.left
+        anchors.right: parent.right
+        anchors.top: parent.top
+        spacing: simplifiedUI.margins.settings.spacingBetweenSettings
+        
+        ColumnLayout {
+            id: uiControlsContainer
+            Layout.preferredWidth: parent.width
+            spacing: 0
+
+            HifiStylesUit.GraphikRegular {
+                id: uiControlsTitle
+                text: "User Interface"
+                Layout.maximumWidth: parent.width
+                height: paintedHeight
+                size: 22
+                color: simplifiedUI.colors.text.white
+            }
+
+            HifiStylesUit.GraphikRegular {
+                id: uiControlsSubtitle
+                text: "You'll have to restart Interface after changing either of these settings. If you don't get any Toolbar apps back after restarting, run defaultScripts.js manually."
+                Layout.maximumWidth: parent.width
+                height: paintedHeight
+                size: 16
+                color: simplifiedUI.colors.text.white
+                wrapMode: Text.Wrap
+            }
+
+            ColumnLayout {
+                id: uiControlsSwitchGroup
+                Layout.topMargin: simplifiedUI.margins.settings.settingsGroupTopMargin
+
+                SimplifiedControls.Switch {
+                    id: keepMenusSwitch
+                    width: parent.width
+                    height: 18
+                    labelTextOn: "Keep Old Menus (File, Edit, etc)"
+                    checked: Settings.getValue("simplifiedUI/keepMenus", false);
+                    onClicked: {
+                        Settings.setValue("simplifiedUI/keepMenus", !Settings.getValue("simplifiedUI/keepMenus", false));
+                    }
+                }
+
+                SimplifiedControls.Switch {
+                    id: keepOldUIAndScriptsSwitch
+                    width: parent.width
+                    height: 18
+                    labelTextOn: "Keep Old UI and Scripts"
+                    checked: Settings.getValue("simplifiedUI/keepExistingUIAndScripts", false);
+                    onClicked: {
+                        Settings.setValue("simplifiedUI/keepExistingUIAndScripts", !Settings.getValue("simplifiedUI/keepExistingUIAndScripts", false));
+                    }
+                }
+            }
+        }
+    }
+}