diff --git a/src/lib/adblock/adblockicon.cpp b/src/lib/adblock/adblockicon.cpp
index 965ed3e41..26be32687 100644
--- a/src/lib/adblock/adblockicon.cpp
+++ b/src/lib/adblock/adblockicon.cpp
@@ -25,6 +25,7 @@
 #include "tabbedwebview.h"
 #include "tabwidget.h"
 #include "desktopnotificationsfactory.h"
+#include "qztools.h"
 
 #include <QMenu>
 #include <QTimer>
@@ -39,7 +40,7 @@ AdBlockIcon::AdBlockIcon(BrowserWindow* window, QWidget* parent)
 {
     setCursor(Qt::PointingHandCursor);
     setToolTip(tr("AdBlock lets you block unwanted content on web pages"));
-    setMinimumSize(16, 16);
+    setFixedSize(16, 16);
 
     connect(this, SIGNAL(clicked(QPoint)), this, SLOT(showMenu(QPoint)));
     connect(AdBlockManager::instance(), SIGNAL(enabledChanged(bool)), this, SLOT(setEnabled(bool)));
@@ -187,7 +188,7 @@ void AdBlockIcon::animateIcon()
     }
 
     if (pixmap()->isNull()) {
-        setPixmap(QPixmap(":icons/other/adblock.png"));
+        setPixmap(QIcon(QSL(":icons/other/adblock.png")).pixmap(16));
     }
     else {
         setPixmap(QPixmap());
@@ -206,10 +207,10 @@ void AdBlockIcon::stopAnimation()
 void AdBlockIcon::setEnabled(bool enabled)
 {
     if (enabled) {
-        setPixmap(QPixmap(":icons/other/adblock.png"));
+        setPixmap(QIcon(QSL(":icons/other/adblock.png")).pixmap(16));
     }
     else {
-        setPixmap(QPixmap(":icons/other/adblock-disabled.png"));
+        setPixmap(QIcon(QSL(":icons/other/adblock-disabled.png")).pixmap(16));
     }
 
     m_enabled = enabled;
diff --git a/src/lib/data/icons.qrc b/src/lib/data/icons.qrc
index 7720e9a3f..8e8bbcda0 100644
--- a/src/lib/data/icons.qrc
+++ b/src/lib/data/icons.qrc
@@ -25,7 +25,7 @@
         <file>icons/preferences/applications-graphics.png</file>
         <file>icons/preferences/document-properties.png</file>
         <file>icons/other/adblock.png</file>
-        <file>icons/notifications/download.png</file>
+        <file>icons/notifications/download.svg</file>
         <file>icons/other/bighistory.png</file>
         <file>icons/preferences/style-default.png</file>
         <file>icons/other/adblock-disabled.png</file>
diff --git a/src/lib/data/icons/notifications/download.png b/src/lib/data/icons/notifications/download.png
deleted file mode 100644
index e81619b1b..000000000
Binary files a/src/lib/data/icons/notifications/download.png and /dev/null differ
diff --git a/src/lib/data/icons/notifications/download.svg b/src/lib/data/icons/notifications/download.svg
new file mode 100644
index 000000000..e332fc160
--- /dev/null
+++ b/src/lib/data/icons/notifications/download.svg
@@ -0,0 +1,15 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+  <defs id="defs3051">
+    <style type="text/css" id="current-color-scheme">
+      .ColorScheme-Text {
+        color:#4d4d4d;
+      }
+      </style>
+  </defs>
+ <path 
+     transform="translate(1,1)"
+    style="fill:currentColor;fill-opacity:1;stroke:none" 
+    d="M 8 3 L 8 9 L 9 9 L 9 4 L 13 4 L 13 9 L 14 9 L 14 3 L 13 3 L 9 3 L 8 3 z M 5.7929688 10 L 5 10.816406 L 11 17 L 17 10.816406 L 16.207031 10 L 11 15.367188 L 5.7929688 10 z M 4 17 L 4 19 L 5 19 L 17 19 L 18 19 L 18 17 L 17 17 L 17 18 L 5 18 L 5 17 L 4 17 z "
+    class="ColorScheme-Text"
+    />  
+</svg>
diff --git a/src/lib/data/icons/other/adblock-disabled.png b/src/lib/data/icons/other/adblock-disabled.png
index 422557e52..83503b38e 100644
Binary files a/src/lib/data/icons/other/adblock-disabled.png and b/src/lib/data/icons/other/adblock-disabled.png differ
diff --git a/src/lib/data/icons/other/adblock.png b/src/lib/data/icons/other/adblock.png
index a672e7d78..70066f90a 100644
Binary files a/src/lib/data/icons/other/adblock.png and b/src/lib/data/icons/other/adblock.png differ
diff --git a/src/lib/downloads/downloadmanager.cpp b/src/lib/downloads/downloadmanager.cpp
index 8f53e9fb0..27aabb688 100644
--- a/src/lib/downloads/downloadmanager.cpp
+++ b/src/lib/downloads/downloadmanager.cpp
@@ -330,7 +330,7 @@ void DownloadManager::downloadFinished(bool success)
 
     if (downloadingAllFilesFinished) {
         if (success && qApp->activeWindow() != this) {
-            mApp->desktopNotifications()->showNotification(QIcon::fromTheme(QSL("download"), QIcon(":icons/notifications/download.png")).pixmap(48), tr("Download Finished"), tr("All files have been successfully downloaded."));
+            mApp->desktopNotifications()->showNotification(QIcon::fromTheme(QSL("download"), QIcon(":icons/notifications/download.svg")).pixmap(48), tr("Download Finished"), tr("All files have been successfully downloaded."));
             if (!m_closeOnFinish) {
                 raise();
                 activateWindow();
diff --git a/src/lib/network/schemehandlers/qupzillaschemehandler.cpp b/src/lib/network/schemehandlers/qupzillaschemehandler.cpp
index 198d6b485..b9c011958 100644
--- a/src/lib/network/schemehandlers/qupzillaschemehandler.cpp
+++ b/src/lib/network/schemehandlers/qupzillaschemehandler.cpp
@@ -170,7 +170,7 @@ QString QupZillaSchemeReply::startPage()
     sPage.append(QzTools::readAllFileContents(":html/start.html"));
     sPage.replace(QLatin1String("%FAVICON%"), QLatin1String("qrc:icons/qupzilla.png"));
     sPage.replace(QLatin1String("%BOX-BORDER%"), QLatin1String("qrc:html/box-border.png"));
-    sPage.replace(QLatin1String("%ABOUT-IMG%"), QzTools::pixmapToDataUrl(QIcon(":icons/other/startpage.png").pixmap(200, 155)).toString());
+    sPage.replace(QLatin1String("%ABOUT-IMG%"), QzTools::pixmapToDataUrl(QzTools::dpiAwarePixmap(QSL(":icons/other/startpage.png"))).toString());
 
     sPage.replace(QLatin1String("%TITLE%"), tr("Start Page"));
     sPage.replace(QLatin1String("%BUTTON-LABEL%"), tr("Search on Web"));
@@ -191,7 +191,7 @@ QString QupZillaSchemeReply::aboutPage()
         aPage.append(QzTools::readAllFileContents(":html/about.html"));
         aPage.replace(QLatin1String("%FAVICON%"), QLatin1String("qrc:icons/qupzilla.png"));
         aPage.replace(QLatin1String("%BOX-BORDER%"), QLatin1String("qrc:html/box-border.png"));
-        aPage.replace(QLatin1String("%ABOUT-IMG%"), QzTools::pixmapToDataUrl(QIcon(QSL(":icons/other/about.png")).pixmap(300, 130)).toString());
+        aPage.replace(QLatin1String("%ABOUT-IMG%"), QzTools::pixmapToDataUrl(QzTools::dpiAwarePixmap(QSL(":icons/other/about.png"))).toString());
         aPage.replace(QLatin1String("%COPYRIGHT-INCLUDE%"), QzTools::readAllFileContents(":html/copyright").toHtmlEscaped());
 
         aPage.replace(QLatin1String("%TITLE%"), tr("About QupZilla"));
@@ -356,7 +356,7 @@ QString QupZillaSchemeReply::configPage()
         cPage.append(QzTools::readAllFileContents(":html/config.html"));
         cPage.replace(QLatin1String("%FAVICON%"), QLatin1String("qrc:icons/qupzilla.png"));
         cPage.replace(QLatin1String("%BOX-BORDER%"), QLatin1String("qrc:html/box-border.png"));
-        cPage.replace(QLatin1String("%ABOUT-IMG%"), QzTools::pixmapToDataUrl(QIcon(QSL(":icons/other/about.png")).pixmap(300, 130)).toString());
+        cPage.replace(QLatin1String("%ABOUT-IMG%"), QzTools::pixmapToDataUrl(QzTools::dpiAwarePixmap(QSL(":icons/other/about.png"))).toString());
 
         cPage.replace(QLatin1String("%TITLE%"), tr("Configuration Information"));
         cPage.replace(QLatin1String("%CONFIG%"), tr("Configuration Information"));
diff --git a/src/lib/tools/qztools.cpp b/src/lib/tools/qztools.cpp
index 4e2a7b380..5bf8e11e8 100644
--- a/src/lib/tools/qztools.cpp
+++ b/src/lib/tools/qztools.cpp
@@ -81,6 +81,15 @@ QUrl QzTools::pixmapToDataUrl(const QPixmap &pix)
     return data.isEmpty() ? QUrl() : QUrl(QSL("data:image/png;base64,") + data);
 }
 
+QPixmap QzTools::dpiAwarePixmap(const QString &path)
+{
+    const QIcon icon(path);
+    if (icon.availableSizes().isEmpty()) {
+        return QPixmap(path);
+    }
+    return icon.pixmap(icon.availableSizes().at(0));
+}
+
 QString QzTools::readAllFileContents(const QString &filename)
 {
     return QString::fromUtf8(readAllFileByteContents(filename));
diff --git a/src/lib/tools/qztools.h b/src/lib/tools/qztools.h
index 1aca74ab9..33d5b5080 100644
--- a/src/lib/tools/qztools.h
+++ b/src/lib/tools/qztools.h
@@ -35,6 +35,7 @@ public:
     static QByteArray pixmapToByteArray(const QPixmap &pix);
     static QPixmap pixmapFromByteArray(const QByteArray &data);
     static QUrl pixmapToDataUrl(const QPixmap &pix);
+    static QPixmap dpiAwarePixmap(const QString &path);
 
     static QString readAllFileContents(const QString &filename);
     static QByteArray readAllFileByteContents(const QString &filename);