diff --git a/gui/mainwindow.cpp b/gui/mainwindow.cpp
index 063c582..9cc8b1c 100644
--- a/gui/mainwindow.cpp
+++ b/gui/mainwindow.cpp
@@ -368,8 +368,8 @@ void MainWindow::toggleDbQueryWidget()
 void MainWindow::showAboutDlg()
 {
     if (!m_aboutDlg) {
-        m_aboutDlg = new AboutDialog(this, QStringLiteral(APP_URL),
-            tr("A tag editing utility supporting ID3, MP4 (iTunes style), Vorbis and Matroska tags."),
+        m_aboutDlg = new AboutDialog(this, QString(), QStringLiteral("<p>Developed by " APP_AUTHOR "<br>Fallback icons from KDE/Breeze project</p>"),
+            QString(), QString(), tr("A tag editing utility supporting ID3, MP4 (iTunes style), Vorbis and Matroska tags."),
             QImage(QStringLiteral(":/tageditor/icons/hicolor/128x128/apps/tageditor.png")));
     }
     if (m_aboutDlg->isHidden()) {
diff --git a/gui/settingsdialog.cpp b/gui/settingsdialog.cpp
index 4fdf15d..257e3f3 100644
--- a/gui/settingsdialog.cpp
+++ b/gui/settingsdialog.cpp
@@ -652,13 +652,13 @@ SettingsDialog::SettingsDialog(QWidget *parent)
     category->setDisplayName(tr("Tag processing"));
     category->assignPages(
         { new TagProcessingGeneralOptionPage, new Id3v1OptionPage, new Id3v2OptionPage, new TagProcessingTargetsOptionPage, new FileLayoutPage });
-    category->setIcon(QIcon::fromTheme(QStringLiteral("tag"), QIcon(QStringLiteral(":/tageditor/icons/hicolor/32x32/settingscategories/tag.png"))));
+    category->setIcon(QIcon::fromTheme(QStringLiteral("tag"), QIcon(QStringLiteral(":/tageditor/icons/hicolor/32x32/settingscategories/tag.svg"))));
     categories << category;
 
     category = new OptionCategory(this);
     category->setDisplayName(tr("Editor"));
-    category->setIcon(
-        QIcon::fromTheme(QStringLiteral("document-edit"), QIcon(QStringLiteral(":/tageditor/icons/hicolor/32x32/settingscategories/key-enter.png"))));
+    category->setIcon(QIcon::fromTheme(
+        QStringLiteral("document-edit"), QIcon(QStringLiteral(":/tageditor/icons/hicolor/32x32/settingscategories/document-edit.svg"))));
     category->assignPages({ new EditorGeneralOptionPage, new EditorTempOptionPage(this), new EditorFieldsOptionPage, new InfoOptionPage,
         new EditorAutoCorrectionOptionPage, new EditorDbQueryOptionsPage });
     categories << category;
@@ -666,7 +666,7 @@ SettingsDialog::SettingsDialog(QWidget *parent)
     category = new OptionCategory(this);
     category->setDisplayName(tr("File browser"));
     category->setIcon(QIcon::fromTheme(
-        QStringLiteral("view-list-tree"), QIcon(QStringLiteral(":/tageditor/icons/hicolor/32x32/settingscategories/system-file-manager.png"))));
+        QStringLiteral("view-list-tree"), QIcon(QStringLiteral(":/tageditor/icons/hicolor/32x32/settingscategories/view-list-tree.svg"))));
     category->assignPages({ new FileBrowserGeneralOptionPage });
     categories << category;
 
@@ -676,7 +676,7 @@ SettingsDialog::SettingsDialog(QWidget *parent)
 
     setMinimumSize(800, 450);
     setWindowIcon(QIcon::fromTheme(
-        QStringLiteral("preferences-other"), QIcon(QStringLiteral(":/tageditor/icons/hicolor/32x32/settingscategories/preferences-other.png"))));
+        QStringLiteral("preferences-other"), QIcon(QStringLiteral(":/tageditor/icons/hicolor/32x32/settingscategories/preferences-other.svg"))));
 
     // some settings could be applied without restarting the application, good idea?
     //connect(this, &Dialogs::SettingsDialog::applied, bind(&Dialogs::QtSettings::apply, &Settings::qtSettings()));
diff --git a/resources/icons.qrc b/resources/icons.qrc
index cfe8526..8b413dc 100644
--- a/resources/icons.qrc
+++ b/resources/icons.qrc
@@ -1,10 +1,13 @@
 <RCC>
     <qresource prefix="/tageditor">
         <file>icons/hicolor/16x16/apps/tageditor.png</file>
-        <file>icons/hicolor/32x32/settingscategories/system-file-manager.png</file>
-        <file>icons/hicolor/32x32/settingscategories/key-enter.png</file>
-        <file>icons/hicolor/32x32/settingscategories/tag.png</file>
-        <file>icons/hicolor/32x32/settingscategories/preferences-other.png</file>
         <file>icons/hicolor/128x128/apps/tageditor.png</file>
+        <file>icons/hicolor/32x32/settingscategories/document-edit.svg</file>
+        <file>icons/hicolor/32x32/settingscategories/input-keyboard-symbolic.svg</file>
+        <file>icons/hicolor/32x32/settingscategories/plugins.svg</file>
+        <file>icons/hicolor/32x32/settingscategories/preferences-other.svg</file>
+        <file>icons/hicolor/32x32/settingscategories/system-file-manager.svg</file>
+        <file>icons/hicolor/32x32/settingscategories/tag.svg</file>
+        <file>icons/hicolor/32x32/settingscategories/view-list-tree.svg</file>
     </qresource>
 </RCC>
diff --git a/resources/icons/hicolor/32x32/settingscategories/document-edit.svg b/resources/icons/hicolor/32x32/settingscategories/document-edit.svg
new file mode 100644
index 0000000..99e3648
--- /dev/null
+++ b/resources/icons/hicolor/32x32/settingscategories/document-edit.svg
@@ -0,0 +1,14 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32">
+  <defs id="defs3051">
+    <style type="text/css" id="current-color-scheme">
+      .ColorScheme-Text {
+        color:#232629;
+      }
+      </style>
+  </defs>
+ <path 
+     style="fill:currentColor;fill-opacity:1;stroke:none" 
+     d="m22.27 4l-18.27 18.27v5.73h5.73c0 0 18.269-18.269 18.27-18.27zm-2.865 4.299l4.297 4.297-11.701 11.703v-2.299h-4v-2.299zm-12.404 12.402v2.299h4v2.299l-1.701 1.701h-2l-2.297-2.297v-2z"
+     class="ColorScheme-Text"
+     />
+</svg>
diff --git a/resources/icons/hicolor/32x32/settingscategories/folder-open.png b/resources/icons/hicolor/32x32/settingscategories/folder-open.png
deleted file mode 100644
index 018d784..0000000
Binary files a/resources/icons/hicolor/32x32/settingscategories/folder-open.png and /dev/null differ
diff --git a/resources/icons/hicolor/32x32/settingscategories/input-keyboard-symbolic.svg b/resources/icons/hicolor/32x32/settingscategories/input-keyboard-symbolic.svg
new file mode 100644
index 0000000..c9ee779
--- /dev/null
+++ b/resources/icons/hicolor/32x32/settingscategories/input-keyboard-symbolic.svg
@@ -0,0 +1,11 @@
+<svg height="16" width="16" xmlns="http://www.w3.org/2000/svg">
+    <style type="text/css" id="current-color-scheme">
+        .ColorScheme-Text {
+            color:#232629;
+        }
+    </style>
+    <g class="ColorScheme-Text" fill="currentColor">
+        <path d="M9 1a2 2 0 0 0-2 2H1v11h14V3H8a1 1 0 0 1 1-1h2a1 1 0 0 0 1-1zM2 4h12v1H2zm0 2h12v7H2z"/>
+        <path d="M3 7v1h1V7zm2 0v1h1V7zm2 0v1h1V7zm2 0v1h1V7zm2 0v1h2V7zM3 9v1h2V9zm3 0v1h1V9zm2 0v1h1V9zm2 0v1h3V9zm-7 2v1h1v-1zm2 0v1h6v-1zm7 0v1h1v-1z"/>
+    </g>
+</svg>
diff --git a/resources/icons/hicolor/32x32/settingscategories/key-enter.png b/resources/icons/hicolor/32x32/settingscategories/key-enter.png
deleted file mode 100644
index 3b1265b..0000000
Binary files a/resources/icons/hicolor/32x32/settingscategories/key-enter.png and /dev/null differ
diff --git a/resources/icons/hicolor/32x32/settingscategories/plugins.svg b/resources/icons/hicolor/32x32/settingscategories/plugins.svg
new file mode 100644
index 0000000..f8afc20
--- /dev/null
+++ b/resources/icons/hicolor/32x32/settingscategories/plugins.svg
@@ -0,0 +1,12 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24">
+  <defs id="defs3051">
+    <style type="text/css" id="current-color-scheme">
+      .ColorScheme-Text {
+        color:#232629;
+      }
+      </style>
+  </defs>
+  <g transform="translate(1,1)">
+    <path style="fill:currentColor;fill-opacity:1;stroke:none" d="m5 4v3h-2v12h16v-12h-2v-2h-4v2h-4v-2h-4" class="ColorScheme-Text"/>
+  </g>
+</svg>
diff --git a/resources/icons/hicolor/32x32/settingscategories/preferences-other.png b/resources/icons/hicolor/32x32/settingscategories/preferences-other.png
deleted file mode 100644
index 16348e2..0000000
Binary files a/resources/icons/hicolor/32x32/settingscategories/preferences-other.png and /dev/null differ
diff --git a/resources/icons/hicolor/32x32/settingscategories/preferences-other.svg b/resources/icons/hicolor/32x32/settingscategories/preferences-other.svg
new file mode 100644
index 0000000..8e41272
--- /dev/null
+++ b/resources/icons/hicolor/32x32/settingscategories/preferences-other.svg
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg width="32" version="1.1" xmlns="http://www.w3.org/2000/svg" height="32" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape">
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+   <stop style="stop-color:#292c2f" id="stop4229"/>
+   <stop offset="1" style="stop-opacity:0" id="stop4231"/>
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+ </defs>
+ <metadata id="metadata5458"/>
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diff --git a/resources/icons/hicolor/32x32/settingscategories/preferences-plugin-script.png b/resources/icons/hicolor/32x32/settingscategories/preferences-plugin-script.png
deleted file mode 100644
index e40988b..0000000
Binary files a/resources/icons/hicolor/32x32/settingscategories/preferences-plugin-script.png and /dev/null differ
diff --git a/resources/icons/hicolor/32x32/settingscategories/preferences-plugin.png b/resources/icons/hicolor/32x32/settingscategories/preferences-plugin.png
deleted file mode 100644
index 2650281..0000000
Binary files a/resources/icons/hicolor/32x32/settingscategories/preferences-plugin.png and /dev/null differ
diff --git a/resources/icons/hicolor/32x32/settingscategories/system-file-manager.png b/resources/icons/hicolor/32x32/settingscategories/system-file-manager.png
deleted file mode 100644
index 239df61..0000000
Binary files a/resources/icons/hicolor/32x32/settingscategories/system-file-manager.png and /dev/null differ
diff --git a/resources/icons/hicolor/32x32/settingscategories/system-file-manager.svg b/resources/icons/hicolor/32x32/settingscategories/system-file-manager.svg
new file mode 100644
index 0000000..1795c51
--- /dev/null
+++ b/resources/icons/hicolor/32x32/settingscategories/system-file-manager.svg
@@ -0,0 +1,235 @@
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+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
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+   height="32"
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+   id="svg6548"
+   version="1.1"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="system-file-manager.svg">
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new file mode 100644
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new file mode 100644
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