diff --git a/src/Image/IntelliImage.cpp b/src/Image/IntelliImage.cpp
index 5e5e62d..9c65bd5 100644
--- a/src/Image/IntelliImage.cpp
+++ b/src/Image/IntelliImage.cpp
@@ -41,7 +41,9 @@ void IntelliImage::resizeImage(QImage*image, const QSize &newSize){
 		QPainter painter(&newImage);
 		painter.drawImage(QPoint(0, 0), *image);
 		*image = newImage;
-        updateRendererSetting(fastRenderer);
+        if(fastRenderer){
+               this->imageData = this->imageData.convertToFormat(QImage::Format_Indexed8);
+        }
 }
 
 void IntelliImage::drawPixel(const QPoint &p1, const QColor& color){
@@ -56,7 +58,9 @@ void IntelliImage::drawPixel(const QPoint &p1, const QColor& color){
 
 		// Draw a line from the last registered point to the current
 		painter.drawPoint(p1);
-        updateRendererSetting(fastRenderer);
+        if(fastRenderer){
+               this->imageData = this->imageData.convertToFormat(QImage::Format_Indexed8);
+        }
 }
 
 void IntelliImage::drawPoint(const QPoint &p1, const QColor& color, const int& penWidth){
@@ -70,7 +74,9 @@ void IntelliImage::drawPoint(const QPoint &p1, const QColor& color, const int& p
 		painter.setPen(QPen(color, penWidth, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
 		// Draw a line from the last registered point to the current
 		painter.drawPoint(p1);
-        updateRendererSetting(fastRenderer);
+        if(fastRenderer){
+               this->imageData = this->imageData.convertToFormat(QImage::Format_Indexed8);
+        }
 }
 
 void IntelliImage::drawLine(const QPoint &p1, const QPoint& p2, const QColor& color, const int& penWidth){
@@ -85,7 +91,9 @@ void IntelliImage::drawLine(const QPoint &p1, const QPoint& p2, const QColor& co
 
 		// Draw a line from the last registered point to the current
 		painter.drawLine(p1, p2);
-        updateRendererSetting(fastRenderer);
+        if(fastRenderer){
+               this->imageData = this->imageData.convertToFormat(QImage::Format_Indexed8);
+        }
 }
 
 void IntelliImage::drawPlain(const QColor& color){
@@ -93,11 +101,17 @@ void IntelliImage::drawPlain(const QColor& color){
                this->imageData = this->imageData.convertToFormat(QImage::Format_ARGB32);
         }
         imageData.fill(color);
-        updateRendererSetting(fastRenderer);
+        if(fastRenderer){
+               this->imageData = this->imageData.convertToFormat(QImage::Format_Indexed8);
+        }
 }
 
 QColor IntelliImage::getPixelColor(QPoint& point){
-		return imageData.pixelColor(point);
+    if(fastRenderer){
+           QImage copy = this->imageData.convertToFormat(QImage::Format_ARGB32);
+           return copy.pixelColor(point);
+    }
+    return imageData.pixelColor(point);
 }
 
 void IntelliImage::updateRendererSetting(bool fastRendererOn){
diff --git a/src/IntelliHelper/IntelliRenderSettings.h b/src/IntelliHelper/IntelliRenderSettings.h
index b7ee8a0..5763bb0 100644
--- a/src/IntelliHelper/IntelliRenderSettings.h
+++ b/src/IntelliHelper/IntelliRenderSettings.h
@@ -14,7 +14,7 @@ public:
     bool getFastRenderer();
 
 private:
-    bool fastRenderer = false;
+    bool fastRenderer = true;
 };
 
 #endif // INTELLIRENDERSETTINGS_H
diff --git a/src/Layer/PaintingArea.cpp b/src/Layer/PaintingArea.cpp
index f859001..e5a8a19 100644
--- a/src/Layer/PaintingArea.cpp
+++ b/src/Layer/PaintingArea.cpp
@@ -147,21 +147,25 @@ void PaintingArea::floodFill(int r, int g, int b, int a){
 }
 
 void PaintingArea::movePositionActive(int x, int y){
-        if(Tool->getIsDrawing()){
-            IntelliTool* temp = copyActiveTool();
-            delete this->Tool;
-            this->Tool = temp;
+        if(Tool!=nullptr){
+            if(Tool->getIsDrawing()){
+                IntelliTool* temp = copyActiveTool();
+                delete this->Tool;
+                this->Tool = temp;
+            }
         }
         layerBundle[static_cast<size_t>(activeLayer)].widthOffset += x;
 		layerBundle[static_cast<size_t>(activeLayer)].heightOffset += y;
 }
 
 void PaintingArea::moveActiveLayer(int idx){
-        if(Tool->getIsDrawing()){
-            IntelliTool* temp = copyActiveTool();
-            delete this->Tool;
-            this->Tool = temp;
-        }
+          if(Tool!=nullptr){
+              if(Tool->getIsDrawing()){
+                  IntelliTool* temp = copyActiveTool();
+                  delete this->Tool;
+                  this->Tool = temp;
+              }
+          }
 		if(idx==1) {
 				this->selectLayerUp();
 		}else if(idx==-1) {
@@ -170,11 +174,13 @@ void PaintingArea::moveActiveLayer(int idx){
 }
 
 void PaintingArea::slotActivateLayer(int a){
+    if(Tool!=nullptr){
         if(Tool->getIsDrawing()){
             IntelliTool* temp = copyActiveTool();
             delete this->Tool;
             this->Tool = temp;
         }
+    }
 		if(a>=0 && a < static_cast<int>(layerBundle.size())) {
 				this->setLayerActive(a);
 		}
diff --git a/src/Tool/IntelliTool.cpp b/src/Tool/IntelliTool.cpp
index 43d0c31..88d2e07 100644
--- a/src/Tool/IntelliTool.cpp
+++ b/src/Tool/IntelliTool.cpp
@@ -57,7 +57,7 @@ void IntelliTool::mergeToolLayer(){
 		QColor clr_0;
 		QColor clr_1;
         if(Area->renderSettings.getFastRenderer()){
-            activeLayer->image->imageData.convertToFormat(QImage::Format_ARGB32);
+             activeLayer->image->imageData = activeLayer->image->imageData.convertToFormat(QImage::Format_ARGB32);
         }
 		for(int y=0; y<activeLayer->height; y++) {
 				for(int x=0; x<activeLayer->width; x++) {
@@ -77,7 +77,7 @@ void IntelliTool::mergeToolLayer(){
 				}
 		}
         if(Area->renderSettings.getFastRenderer()){
-            activeLayer->image->imageData.convertToFormat(QImage::Format_Indexed8);
+            activeLayer->image->imageData = activeLayer->image->imageData.convertToFormat(QImage::Format_Indexed8);
         }
 }