diff --git a/qmlUiKirigami/ImageViewer.qml b/qmlUiKirigami/ImageViewer.qml
--- a/qmlUiKirigami/ImageViewer.qml
+++ b/qmlUiKirigami/ImageViewer.qml
@@ -24,6 +24,7 @@
 import QtQuick 2.7
 import QtQuick.Window 2.2
 import QtQuick.Controls 2.0 as Controls
+import QtGraphicalEffects 1.0 as Effects
 import org.kde.kirigami 2.0 as Kirigami
 import org.kde.koko 0.1 as Koko
 import org.kde.kquickcontrolsaddons 2.0 as KQA
@@ -50,6 +51,24 @@
         title: i18n("Edit image")
         handleVisible: true
     }
+    
+    Controls.Slider {
+        id: brightnessSlider
+        orientation: Qt.Vertical
+        anchors.right: listView.right
+        height: root.height - (Kirigami.Units.gridUnit * 6)
+        visible: applicationWindow().controlsVisible
+        from: 0
+        to: 1.0
+        value: 0.5
+        z: listView.z + 1
+        hoverEnabled: true
+        Controls.ToolTip {
+            parent: brightnessSlider
+            visible: brightnessSlider.hovered
+            text: i18n("Brightness Controller")
+        }
+    }
 
     actions {
         left: Kirigami.Action {
@@ -146,14 +165,15 @@
         onCurrentIndexChanged: {
             currentImage.index = model.sourceIndex( currentIndex)
             listView.positionViewAtIndex(currentIndex, ListView.Beginning)
-
+            root.slider.value = 0.5
             shareDialog.close();
         }
 
         delegate: Flickable {
             id: flick
             property alias currentImageSource: image.source
             property alias image: image
+            property alias brightnessContrast: brightnessContrast
             width: imageWidth
             height: imageHeight
             contentWidth: imageWidth
@@ -304,6 +324,13 @@
                         }
                     }
                 }
+                
+                Effects.BrightnessContrast {
+                    id: brightnessContrast
+                    source: image
+                    anchors.fill: image
+                    brightness: brightnessSlider.value - 0.5
+                }
             }
         }
     }