diff --git a/src/main/java/cz/kamma/kfmanager/ui/MainWindow.java b/src/main/java/cz/kamma/kfmanager/ui/MainWindow.java
index 14e6a92..c6b17be 100644
--- a/src/main/java/cz/kamma/kfmanager/ui/MainWindow.java
+++ b/src/main/java/cz/kamma/kfmanager/ui/MainWindow.java
@@ -501,7 +501,8 @@ public class MainWindow extends JFrame {
         toolBar.removeAll();
         
         // Refresh button
-        JButton btnRefresh = new JButton("↻");
+        JButton btnRefresh = new JButton();
+        btnRefresh.setIcon(createToolbarRefreshIcon());
         setupMainToolbarButton(btnRefresh, "Refresh active panel", new Color(140, 190, 140));
         btnRefresh.addActionListener(e -> {
             if (activePanel != null && activePanel.getCurrentDirectory() != null) {
@@ -512,7 +513,8 @@ public class MainWindow extends JFrame {
         toolBar.addSeparator();
         
         // Button for BRIEF mode
-        JButton btnBrief = new JButton("☰");
+        JButton btnBrief = new JButton();
+        btnBrief.setIcon(createToolbarBriefIcon());
         setupMainToolbarButton(btnBrief, "Brief mode - multiple columns (Ctrl+F1)", new Color(230, 180, 130));
         btnBrief.addActionListener(e -> {
             if (activePanel != null) {
@@ -521,7 +523,8 @@ public class MainWindow extends JFrame {
         });
         
         // Button for FULL mode
-        JButton btnFull = new JButton("▤");
+        JButton btnFull = new JButton();
+        btnFull.setIcon(createToolbarFullIcon());
         setupMainToolbarButton(btnFull, "Full mode - full information (Ctrl+F2)", new Color(140, 170, 220));
         btnFull.addActionListener(e -> {
             if (activePanel != null) {
@@ -535,13 +538,15 @@ public class MainWindow extends JFrame {
         toolBar.addSeparator();
 
         // Search button
-        JButton btnSearch = new JButton("🔍");
+        JButton btnSearch = new JButton();
+        btnSearch.setIcon(createToolbarSearchIcon());
         setupMainToolbarButton(btnSearch, "Search files (Alt+F7)", new Color(200, 160, 200));
         btnSearch.addActionListener(e -> showSearchDialog());
         toolBar.add(btnSearch);
 
         // Sync button
-        JButton btnSync = new JButton("⚖");
+        JButton btnSync = new JButton();
+        btnSync.setIcon(createToolbarCompareIcon());
         setupMainToolbarButton(btnSync, "Compare directories", new Color(150, 200, 200));
         btnSync.addActionListener(e -> showSyncDialog());
         toolBar.add(btnSync);
@@ -713,6 +718,191 @@ public class MainWindow extends JFrame {
         return new ImageIcon(img.getScaledInstance(width, height, Image.SCALE_SMOOTH));
     }
 
+    private Icon createToolbarSearchIcon() {
+        return new Icon() {
+            private final int w = 16;
+            private final int h = 16;
+
+            @Override
+            public int getIconWidth() {
+                return w;
+            }
+
+            @Override
+            public int getIconHeight() {
+                return h;
+            }
+
+            @Override
+            public void paintIcon(Component c, Graphics g, int x, int y) {
+                Graphics2D g2 = (Graphics2D) g.create();
+                try {
+                    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+                    g2.setColor(c != null ? c.getForeground() : Color.DARK_GRAY);
+                    g2.setStroke(new BasicStroke(2f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
+
+                    int cx = x + 6;
+                    int cy = y + 6;
+                    int r = 4;
+
+                    g2.drawOval(cx - r, cy - r, r * 2, r * 2);
+                    g2.drawLine(cx + r - 1, cy + r - 1, x + 14, y + 14);
+                } finally {
+                    g2.dispose();
+                }
+            }
+        };
+    }
+
+    private Icon createToolbarRefreshIcon() {
+        return new Icon() {
+            private final int w = 16;
+            private final int h = 16;
+
+            @Override
+            public int getIconWidth() {
+                return w;
+            }
+
+            @Override
+            public int getIconHeight() {
+                return h;
+            }
+
+            @Override
+            public void paintIcon(Component c, Graphics g, int x, int y) {
+                Graphics2D g2 = (Graphics2D) g.create();
+                try {
+                    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+                    g2.setColor(c != null ? c.getForeground() : Color.DARK_GRAY);
+                    g2.setStroke(new BasicStroke(2f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
+
+                    g2.drawArc(x + 2, y + 2, 10, 10, 35, 255);
+                    g2.drawLine(x + 11, y + 2, x + 14, y + 3);
+                    g2.drawLine(x + 11, y + 2, x + 12, y + 5);
+                } finally {
+                    g2.dispose();
+                }
+            }
+        };
+    }
+
+    private Icon createToolbarBriefIcon() {
+        return new Icon() {
+            private final int w = 16;
+            private final int h = 16;
+
+            @Override
+            public int getIconWidth() {
+                return w;
+            }
+
+            @Override
+            public int getIconHeight() {
+                return h;
+            }
+
+            @Override
+            public void paintIcon(Component c, Graphics g, int x, int y) {
+                Graphics2D g2 = (Graphics2D) g.create();
+                try {
+                    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+                    g2.setColor(c != null ? c.getForeground() : Color.DARK_GRAY);
+                    g2.setStroke(new BasicStroke(2f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
+
+                    // Three vertical columns to represent compact brief layout.
+                    int colW = 3;
+                    int gap = 2;
+                    int startX = x + 1;
+                    int top = y + 2;
+                    int height = 12;
+                    for (int i = 0; i < 3; i++) {
+                        int cx = startX + i * (colW + gap);
+                        g2.drawRoundRect(cx, top, colW, height, 2, 2);
+                    }
+                } finally {
+                    g2.dispose();
+                }
+            }
+        };
+    }
+
+    private Icon createToolbarFullIcon() {
+        return new Icon() {
+            private final int w = 16;
+            private final int h = 16;
+
+            @Override
+            public int getIconWidth() {
+                return w;
+            }
+
+            @Override
+            public int getIconHeight() {
+                return h;
+            }
+
+            @Override
+            public void paintIcon(Component c, Graphics g, int x, int y) {
+                Graphics2D g2 = (Graphics2D) g.create();
+                try {
+                    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+                    g2.setColor(c != null ? c.getForeground() : Color.DARK_GRAY);
+                    g2.setStroke(new BasicStroke(2f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
+
+                    // List rows with a side column to represent full-detail table layout.
+                    g2.drawRoundRect(x + 1, y + 2, 4, 12, 2, 2);
+                    g2.drawLine(x + 7, y + 4, x + 14, y + 4);
+                    g2.drawLine(x + 7, y + 8, x + 14, y + 8);
+                    g2.drawLine(x + 7, y + 12, x + 14, y + 12);
+                } finally {
+                    g2.dispose();
+                }
+            }
+        };
+    }
+
+    private Icon createToolbarCompareIcon() {
+        return new Icon() {
+            private final int w = 16;
+            private final int h = 16;
+
+            @Override
+            public int getIconWidth() {
+                return w;
+            }
+
+            @Override
+            public int getIconHeight() {
+                return h;
+            }
+
+            @Override
+            public void paintIcon(Component c, Graphics g, int x, int y) {
+                Graphics2D g2 = (Graphics2D) g.create();
+                try {
+                    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+                    g2.setColor(c != null ? c.getForeground() : Color.DARK_GRAY);
+                    g2.setStroke(new BasicStroke(2f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
+
+                    // Two panes side by side with opposing arrows: directory compare.
+                    g2.drawRoundRect(x + 1, y + 2, 5, 11, 2, 2);
+                    g2.drawRoundRect(x + 10, y + 2, 5, 11, 2, 2);
+
+                    g2.drawLine(x + 7, y + 6, x + 9, y + 6);
+                    g2.drawLine(x + 8, y + 5, x + 9, y + 6);
+                    g2.drawLine(x + 8, y + 7, x + 9, y + 6);
+
+                    g2.drawLine(x + 9, y + 10, x + 7, y + 10);
+                    g2.drawLine(x + 8, y + 9, x + 7, y + 10);
+                    g2.drawLine(x + 8, y + 11, x + 7, y + 10);
+                } finally {
+                    g2.dispose();
+                }
+            }
+        };
+    }
+
     private void setupMainToolbarButton(JButton btn, String tooltip, Color color) {
         int btnSize = config != null ? config.getToolbarButtonSize() : 35;
         if (btnSize < 35) btnSize = 35;