diff --git a/toonz/sources/tnztools/skeletontool.cpp b/toonz/sources/tnztools/skeletontool.cpp
index efb0a0bf..56866bd3 100644
--- a/toonz/sources/tnztools/skeletontool.cpp
+++ b/toonz/sources/tnztools/skeletontool.cpp
@@ -30,6 +30,7 @@
 // TnzQt includes
 #include "toonzqt/selection.h"
 #include "toonzqt/selectioncommandids.h"
+#include "toonzqt/gutil.h"
 
 // TnzTools includes
 #include "tools/tool.h"
@@ -1263,7 +1264,8 @@ void SkeletonTool::drawDrawingBrowser(const TXshCell &cell,
                      std::to_string(cell.m_frameId.getNumber());
 
   QString qText = QString::fromStdString(name);
-  QFont font("Arial", 10);  // ,QFont::Bold);
+  int devPixRatio = getDevicePixelRatio(getViewer()->viewerWidget());
+  QFont font("Arial", 10 * devPixRatio);  // ,QFont::Bold);
   QFontMetrics fm(font);
   QSize textSize   = fm.boundingRect(qText).size();
   int arrowHeight  = 10;
diff --git a/toonz/sources/tnztools/trackertool.cpp b/toonz/sources/tnztools/trackertool.cpp
index 8a379354..6cd0bdea 100644
--- a/toonz/sources/tnztools/trackertool.cpp
+++ b/toonz/sources/tnztools/trackertool.cpp
@@ -8,6 +8,7 @@
 #include "toonz/txshlevelhandle.h"
 #include "toonz/tscenehandle.h"
 #include "toonzqt/selectioncommandids.h"
+#include "toonzqt/gutil.h"
 
 #include "toonzqt/selection.h"
 #include "tproperty.h"
@@ -287,6 +288,7 @@ void TrackerTool::draw() {
     selectedObjectId = -1;
   int i              = 0;
   double pixelSize   = getPixelSize();
+  int devPixRatio    = getDevicePixelRatio(m_viewer->viewerWidget());
 
   std::vector<TRectD> balloons;  // this is used to avoid balloons overlapping
   // draw hooks
@@ -324,7 +326,7 @@ void TrackerTool::draw() {
       tglColor(textColor);
       glPushMatrix();
       glTranslated(hook->getPos(fid).x, hook->getPos(fid).y, 0);
-      glScaled(pixelSize, pixelSize, 1);
+      glScaled(pixelSize * devPixRatio, pixelSize * devPixRatio, 1);
       int objectId = hook->getTrackerObjectId();
       std::string text({static_cast<char>('A' + objectId)});
       tglDrawText(TPointD(-15, 10), text);
diff --git a/toonz/sources/toonz/sceneviewer.cpp b/toonz/sources/toonz/sceneviewer.cpp
index f2129a9c..2f424946 100644
--- a/toonz/sources/toonz/sceneviewer.cpp
+++ b/toonz/sources/toonz/sceneviewer.cpp
@@ -1891,13 +1891,15 @@ void SceneViewer::drawViewerIndicators() {
 
   if (!checkTexts.size()) return;
 
+  int devPixRatio = getDevPixRatio();
+
   int x0, x1, y0, y1;
   rect().getCoords(&x0, &y0, &x1, &y1);
-  x0 = (-(x1 / 2)) + 15;
-  y0 = ((y1 / 2)) - 25;
+  x0 = (-(x1 / (2 * devPixRatio))) + 15;
+  y0 = ((y1 / (2 * devPixRatio))) - 25;
 
   glPushMatrix();
-  glScaled(2, 2, 2);
+  glScaled(2 * devPixRatio, 2 * devPixRatio, 2 * devPixRatio);
   glColor3d(1.0, 0.0, 0.0);
   for (int i = 0; i < checkTexts.size(); i++) {
     int y = (y0 / 2) - (i * 10);