diff --git a/README.md b/README.md
index 335b901..b17feb5 100644
--- a/README.md
+++ b/README.md
@@ -1,47 +1,51 @@
 # KF File Manager
 
-Dvoupanelový souborový manažer podobný Total Commander, vytvořený v Java 11.
+A two-panel file manager similar to Total Commander, built with Java 11.
 
-## Funkce
+## Features
 
 - **Two panels** for browsing files and directories
 - **Copying** files and directories (F5)
 - **Moving** files and directories (F6)
+- **Rename** (Shift+F6)
 - **Create directory** (F7)
 - **Delete** files and directories (F8)
-- **Přejmenování** (Shift+F6)
-- **Vyhledávání** souborů (Ctrl+F)
-- **Přepínání** mezi panely (TAB)
+- **Search** for files (Ctrl+F)
+- **Sync Directories** - side-by-side folder comparison and synchronization
+- **Toggle** between panels (TAB)
 - **Navigation** - double-click or Enter to open a directory
-- **Zobrazení** velikosti souborů, data modifikace
+- **View** file sizes, modification dates, and attributes
 
-## Spuštění
+## Running
 
 ```bash
 mvn clean compile
 mvn exec:java -Dexec.mainClass="cz.kamma.kfmanager.MainApp"
 ```
 
-Nebo vytvoření JAR souboru:
+Or build a JAR file:
 
 ```bash
 mvn clean package
 java -jar target/kf-manager-1.0-SNAPSHOT.jar
 ```
 
-## Klávesové zkratky
+## Keyboard Shortcuts
 
-- **F5** - Kopírovat
-- **F6** - Přesunout
-- **Shift+F6** - Přejmenovat
-- **F7** - Nový adresář
-- **F8** - Smazat
-- **TAB** - Přepnout mezi panely
-- **Ctrl+F** - Vyhledat soubory
-- **Enter** - Otevřít adresář
-- **Backspace** - Nadřazený adresář
+- **F3** - View file (internal viewer)
+- **F4** - Edit file
+- **F5** - Copy
+- **F6** - Move
+- **Shift+F6** - Rename
+- **F7** - New directory
+- **F8** - Delete
+- **TAB** - Toggle between panels
+- **Ctrl+F** - Search files
+- **Ctrl+Y** - Sync directories
+- **Enter** - Open directory
+- **Backspace** - Parent directory
 
-## Požadavky
+## Requirements
 
-- Java 11 nebo vyšší
+- Java 11 or higher
 - Maven 3.6+
diff --git a/kf-manager.desktop b/kf-manager.desktop
index 31c6115..41ef9ff 100755
--- a/kf-manager.desktop
+++ b/kf-manager.desktop
@@ -7,5 +7,5 @@ Exec=java -jar /home/kamma/projects/kf-manager/target/kf-manager-1.0-SNAPSHOT-ja
 Name=KF File Manager
 Icon=/home/kamma/projects/kf-manager/src/main/resources/icon.png
 StartupWMClass=cz-kamma-kfmanager-MainApp
-Comment=Dvoupanelový souborový manažer pro Linux
+Comment=Two-panel file manager for Linux
 Categories=Utility;System;
diff --git a/src/main/java/cz/kamma/kfmanager/ui/DriveSelector.java b/src/main/java/cz/kamma/kfmanager/ui/DriveSelector.java
index 1bd4c62..23cb347 100644
--- a/src/main/java/cz/kamma/kfmanager/ui/DriveSelector.java
+++ b/src/main/java/cz/kamma/kfmanager/ui/DriveSelector.java
@@ -24,7 +24,7 @@ public class DriveSelector extends JDialog {
         setLayout(new BorderLayout(10, 10));
         ((JComponent) getContentPane()).setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
         
-        // Získat seznam dostupných disků
+        // Get list of available drives
         File[] roots = File.listRoots();
         List<DriveInfo> drives = new ArrayList<>();
         
@@ -32,7 +32,7 @@ public class DriveSelector extends JDialog {
             drives.add(new DriveInfo(root));
         }
         
-        // Seznam disků
+        // List of drives
         JList<DriveInfo> driveList = new JList<>(drives.toArray(new DriveInfo[0]));
         driveList.setFont(new Font("Monospaced", Font.PLAIN, 14));
         driveList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
@@ -53,7 +53,7 @@ public class DriveSelector extends JDialog {
             }
         });
         
-        // Double-click pro výběr
+        // Double-click to select
         driveList.addMouseListener(new java.awt.event.MouseAdapter() {
             @Override
             public void mouseClicked(java.awt.event.MouseEvent e) {
@@ -67,7 +67,7 @@ public class DriveSelector extends JDialog {
             }
         });
         
-        // Enter pro výběr
+        // Enter to select
         driveList.addKeyListener(new java.awt.event.KeyAdapter() {
             @Override
             public void keyPressed(java.awt.event.KeyEvent e) {
@@ -84,7 +84,7 @@ public class DriveSelector extends JDialog {
         JScrollPane scrollPane = new JScrollPane(driveList);
         add(scrollPane, BorderLayout.CENTER);
         
-        // Panel s tlačítky
+        // Panel with buttons
         JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
         
         JButton okButton = new JButton("OK");
@@ -109,7 +109,7 @@ public class DriveSelector extends JDialog {
         
         add(buttonPanel, BorderLayout.SOUTH);
         
-        // Automaticky vybrat první disk
+        // Automatically select the first drive
         if (drives.size() > 0) {
             driveList.setSelectedIndex(0);
         }
@@ -122,7 +122,7 @@ public class DriveSelector extends JDialog {
     }
     
     /**
-     * Pomocná třída pro informace o disku
+     * Helper class for drive information
      */
     private static class DriveInfo {
         private final File root;
diff --git a/src/main/java/cz/kamma/kfmanager/ui/FileEditor.java b/src/main/java/cz/kamma/kfmanager/ui/FileEditor.java
index 3369235..a256469 100644
--- a/src/main/java/cz/kamma/kfmanager/ui/FileEditor.java
+++ b/src/main/java/cz/kamma/kfmanager/ui/FileEditor.java
@@ -61,7 +61,7 @@ public class FileEditor extends JDialog {
     }
 
     public FileEditor(Window parent, File file, String virtualPath, AppConfig config, boolean readOnly) {
-        super(parent, (readOnly ? "Prohlížeč - " : "Editor - ") + (virtualPath != null ? virtualPath.substring(virtualPath.lastIndexOf(File.separator) + 1) : file.getName()), ModalityType.MODELESS);
+        super(parent, (readOnly ? "Viewer - " : "Editor - ") + (virtualPath != null ? virtualPath.substring(virtualPath.lastIndexOf(File.separator) + 1) : file.getName()), ModalityType.MODELESS);
         this.file = file;
         this.virtualPath = virtualPath;
         this.config = config;
@@ -101,10 +101,10 @@ public class FileEditor extends JDialog {
         searchField = new JTextField(20);
         searchField.addActionListener(e -> findNext());
 
-        JButton nextBtn = new JButton("Dále");
+        JButton nextBtn = new JButton("Next");
         nextBtn.addActionListener(e -> findNext());
 
-        JButton prevBtn = new JButton("Zpět");
+        JButton prevBtn = new JButton("Back");
         prevBtn.addActionListener(e -> findPrevious());
 
         JButton closeBtn = new JButton("X");
@@ -113,7 +113,7 @@ public class FileEditor extends JDialog {
 
         searchStatusLabel = new JLabel("");
 
-        searchPanel.add(new JLabel("Hledat:"));
+        searchPanel.add(new JLabel("Search:"));
         searchPanel.add(searchField);
         searchPanel.add(nextBtn);
         searchPanel.add(prevBtn);
@@ -199,7 +199,7 @@ public class FileEditor extends JDialog {
             } catch (Exception ignore) {}
             searchStatusLabel.setText("");
         } else {
-            searchStatusLabel.setText("Nenalezeno");
+            searchStatusLabel.setText("Not found");
         }
     }
 
@@ -232,7 +232,7 @@ public class FileEditor extends JDialog {
             } catch (Exception ignore) {}
             searchStatusLabel.setText("");
         } else {
-            searchStatusLabel.setText("Nenalezeno");
+            searchStatusLabel.setText("Not found");
         }
     }
 
@@ -259,7 +259,7 @@ public class FileEditor extends JDialog {
         // Menu bar
         createMenuBar();
         
-        // Textová oblast (editable nebo read-only)
+        // Text area (editable or read-only)
         textArea = new JTextArea();
         textArea.setFont(config.getEditorFont());
         textArea.setTabSize(4);
@@ -271,7 +271,7 @@ public class FileEditor extends JDialog {
             undoManager.addEdit(e.getEdit());
         });
         
-        // Sledování změn (pouze pro editovatelný režim)
+        // Track changes (editable mode only)
         if (!readOnly) {
             textArea.getDocument().addDocumentListener(new javax.swing.event.DocumentListener() {
                 public void insertUpdate(javax.swing.event.DocumentEvent e) { setModified(true); }
@@ -295,10 +295,10 @@ public class FileEditor extends JDialog {
         // Apply appearance settings (colors, contrast caret etc)
         applyAppearance();
 
-        // Kontextové menu pro clipboard
+        // Context menu for clipboard
         setupContextMenu();
 
-        // Klávesové zkratky
+        // Keyboard shortcuts
         setupKeyBindings();
 
         // Caret listener to update position and selection info
@@ -314,11 +314,11 @@ public class FileEditor extends JDialog {
     private void setupContextMenu() {
         JPopupMenu popup = new JPopupMenu();
         
-        JMenuItem undoItem = new JMenuItem("Zpět");
+        JMenuItem undoItem = new JMenuItem("Undo");
         undoItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Z, InputEvent.CTRL_DOWN_MASK));
         undoItem.addActionListener(e -> { if (undoManager.canUndo()) undoManager.undo(); });
         
-        JMenuItem redoItem = new JMenuItem("Znovu");
+        JMenuItem redoItem = new JMenuItem("Redo");
         redoItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Y, InputEvent.CTRL_DOWN_MASK));
         redoItem.addActionListener(e -> { if (undoManager.canRedo()) undoManager.redo(); });
         
@@ -327,15 +327,15 @@ public class FileEditor extends JDialog {
         popup.addSeparator();
 
         JMenuItem cutItem = new JMenuItem(new javax.swing.text.DefaultEditorKit.CutAction());
-        cutItem.setText("Vyjmout");
+        cutItem.setText("Cut");
         cutItem.setMnemonic(KeyEvent.VK_X);
         
         JMenuItem copyItem = new JMenuItem(new javax.swing.text.DefaultEditorKit.CopyAction());
-        copyItem.setText("Kopírovat");
+        copyItem.setText("Copy");
         copyItem.setMnemonic(KeyEvent.VK_C);
         
         JMenuItem pasteItem = new JMenuItem(new javax.swing.text.DefaultEditorKit.PasteAction());
-        pasteItem.setText("Vložit");
+        pasteItem.setText("Paste");
         pasteItem.setMnemonic(KeyEvent.VK_V);
 
         popup.add(cutItem);
@@ -343,7 +343,7 @@ public class FileEditor extends JDialog {
         popup.add(pasteItem);
         popup.addSeparator();
         
-        JMenuItem selectAllItem = new JMenuItem("Vybrat vše");
+        JMenuItem selectAllItem = new JMenuItem("Select All");
         selectAllItem.setMnemonic(KeyEvent.VK_A);
         selectAllItem.addActionListener(e -> textArea.selectAll());
         popup.add(selectAllItem);
@@ -428,9 +428,9 @@ public class FileEditor extends JDialog {
     JMenu fileMenu = new JMenu("File");
         fileMenu.setMnemonic(java.awt.event.KeyEvent.VK_S);
         
-        // Uložit - pouze v editovacím režimu
+        // Save - editable mode only
         if (!readOnly) {
-            JMenuItem saveItem = new JMenuItem("Uložit");
+            JMenuItem saveItem = new JMenuItem("Save");
             saveItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F2, 0));
             saveItem.addActionListener(e -> saveFile());
             fileMenu.add(saveItem);
@@ -438,23 +438,23 @@ public class FileEditor extends JDialog {
             fileMenu.addSeparator();
         }
         
-        JMenuItem closeItem = new JMenuItem("Zavřít");
+        JMenuItem closeItem = new JMenuItem("Close");
         closeItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0));
         closeItem.addActionListener(e -> closeEditor());
         fileMenu.add(closeItem);
         
         menuBar.add(fileMenu);
         
-        // Menu Edit
+        // Edit Menu
         JMenu editMenu = new JMenu("Edit");
         editMenu.setMnemonic(java.awt.event.KeyEvent.VK_E);
 
-        JMenuItem undoItem = new JMenuItem("Zpět");
+        JMenuItem undoItem = new JMenuItem("Undo");
         undoItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Z, InputEvent.CTRL_DOWN_MASK));
         undoItem.addActionListener(e -> { if (undoManager.canUndo()) undoManager.undo(); });
         editMenu.add(undoItem);
 
-        JMenuItem redoItem = new JMenuItem("Znovu");
+        JMenuItem redoItem = new JMenuItem("Redo");
         redoItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Y, InputEvent.CTRL_DOWN_MASK));
         redoItem.addActionListener(e -> { if (undoManager.canRedo()) undoManager.redo(); });
         editMenu.add(redoItem);
@@ -462,35 +462,35 @@ public class FileEditor extends JDialog {
         editMenu.addSeparator();
 
         JMenuItem cutItem = new JMenuItem(new javax.swing.text.DefaultEditorKit.CutAction());
-        cutItem.setText("Vyjmout");
+        cutItem.setText("Cut");
         cutItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X, InputEvent.CTRL_DOWN_MASK));
         editMenu.add(cutItem);
 
         JMenuItem copyItem = new JMenuItem(new javax.swing.text.DefaultEditorKit.CopyAction());
-        copyItem.setText("Kopírovat");
+        copyItem.setText("Copy");
         copyItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C, InputEvent.CTRL_DOWN_MASK));
         editMenu.add(copyItem);
 
         JMenuItem pasteItem = new JMenuItem(new javax.swing.text.DefaultEditorKit.PasteAction());
-        pasteItem.setText("Vložit");
+        pasteItem.setText("Paste");
         pasteItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_V, InputEvent.CTRL_DOWN_MASK));
         editMenu.add(pasteItem);
 
         editMenu.addSeparator();
 
-        JMenuItem selectAllItem = new JMenuItem("Vybrat vše");
+        JMenuItem selectAllItem = new JMenuItem("Select All");
         selectAllItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A, InputEvent.CTRL_DOWN_MASK));
         selectAllItem.addActionListener(e -> textArea.selectAll());
         editMenu.add(selectAllItem);
 
         editMenu.addSeparator();
 
-        JMenuItem findItem = new JMenuItem("Hledat...");
+        JMenuItem findItem = new JMenuItem("Search...");
         findItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F, InputEvent.CTRL_DOWN_MASK));
         findItem.addActionListener(e -> showSearchPanel(true));
         editMenu.add(findItem);
 
-        JMenuItem findNextItem = new JMenuItem("Hledat další");
+        JMenuItem findNextItem = new JMenuItem("Find Next");
         findNextItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F3, 0));
         findNextItem.addActionListener(e -> findNext());
         editMenu.add(findNextItem);
@@ -511,8 +511,8 @@ public class FileEditor extends JDialog {
 
         menuBar.add(editMenu);
         
-        // Menu Nastavení
-        JMenu settingsMenu = new JMenu("Nastavení");
+        // Settings Menu
+        JMenu settingsMenu = new JMenu("Settings");
         settingsMenu.setMnemonic(java.awt.event.KeyEvent.VK_N);
         
         JMenuItem fontItem = new JMenuItem("Font...");
@@ -556,14 +556,14 @@ public class FileEditor extends JDialog {
     private void setupKeyBindings() {
         JRootPane rootPane = getRootPane();
         
-        // F2 - Uložit (pouze v editovacím režimu)
+        // F2 - Save (editable mode only)
         if (!readOnly) {
             rootPane.registerKeyboardAction(e -> saveFile(),
                     KeyStroke.getKeyStroke(KeyEvent.VK_F2, 0),
                     JComponent.WHEN_IN_FOCUSED_WINDOW);
         }
         
-        // ESC - Zavřít view
+        // ESC - Close view
         rootPane.registerKeyboardAction(e -> closeEditor(),
                 KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0),
                 JComponent.WHEN_IN_FOCUSED_WINDOW);
@@ -626,7 +626,7 @@ public class FileEditor extends JDialog {
             if (undoManager.canRedo()) undoManager.redo();
         }, KeyStroke.getKeyStroke(KeyEvent.VK_Y, InputEvent.CTRL_DOWN_MASK), JComponent.WHEN_IN_FOCUSED_WINDOW);
 
-        // Doprava/Doleva a Mezerník pro listování obrázků
+        // Right/Left arrow and Space for image cycling
         rootPane.registerKeyboardAction(e -> {
             if (isImageFile(file)) nextImage();
         }, KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, 0), JComponent.WHEN_IN_FOCUSED_WINDOW);
@@ -644,7 +644,7 @@ public class FileEditor extends JDialog {
             if (undoManager.canRedo()) undoManager.redo();
         }, KeyStroke.getKeyStroke(KeyEvent.VK_Z, InputEvent.CTRL_DOWN_MASK | InputEvent.SHIFT_DOWN_MASK), JComponent.WHEN_IN_FOCUSED_WINDOW);
 
-        // Hledání
+        // Search
         rootPane.registerKeyboardAction(e -> {
             if (!isImageFile(file)) showSearchPanel(true);
         },
@@ -821,11 +821,11 @@ public class FileEditor extends JDialog {
         if (readOnly) return;
         if (!modified) {
             // No changes - inform the user briefly
-            JOptionPane.showMessageDialog(this, "Žádné změny k uložení.", "Info", JOptionPane.INFORMATION_MESSAGE);
+            JOptionPane.showMessageDialog(this, "No changes to save.", "Info", JOptionPane.INFORMATION_MESSAGE);
             return;
         }
 
-        int result = showSaveConfirmDialog("Soubor byl změněn. Uložit změny?", "Uložit změny");
+        int result = showSaveConfirmDialog("File was modified. Save changes?", "Save changes");
 
         if (result == JOptionPane.YES_OPTION) {
             saveFile();
@@ -863,7 +863,7 @@ public class FileEditor extends JDialog {
                 updateStatus();
                 return;
             } catch (IOException e) {
-                JOptionPane.showMessageDialog(this, "Chyba při čtení z archivu: " + e.getMessage(), "Chyba", JOptionPane.ERROR_MESSAGE);
+                JOptionPane.showMessageDialog(this, "Error reading from archive: " + e.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
                 dispose();
                 return;
             }
@@ -1078,7 +1078,7 @@ public class FileEditor extends JDialog {
     }
 
     private void updateTitle() {
-        setTitle((readOnly ? "Prohlížeč - " : "Editor - ") + file.getName() + (modified ? " *" : ""));
+        setTitle((readOnly ? "Viewer - " : "Editor - ") + file.getName() + (modified ? " *" : ""));
     }
     
     private void saveFile() {
@@ -1088,14 +1088,14 @@ public class FileEditor extends JDialog {
             modified = false;
             updateTitle();
             JOptionPane.showMessageDialog(this, 
-                    "Soubor uložen", 
-                    "Úspěch", 
+                    "File saved", 
+                    "Success", 
                     JOptionPane.INFORMATION_MESSAGE);
             updateStatus();
         } catch (IOException e) {
             JOptionPane.showMessageDialog(this, 
-                    "Chyba při ukládání:\n" + e.getMessage(), 
-                    "Chyba", 
+                    "Error during saving:\n" + e.getMessage(), 
+                    "Error", 
                     JOptionPane.ERROR_MESSAGE);
         }
     }
@@ -1113,7 +1113,7 @@ public class FileEditor extends JDialog {
     private void closeEditor() {
         saveWindowState();
         if (!readOnly && modified) {
-            int result = showSaveConfirmDialog("Soubor byl změněn. Uložit změny?", "Neuložené změny");
+            int result = showSaveConfirmDialog("File was modified. Save changes?", "Unsaved changes");
 
             if (result == JOptionPane.YES_OPTION) {
                 saveFile();
@@ -1121,7 +1121,7 @@ public class FileEditor extends JDialog {
             } else if (result == JOptionPane.NO_OPTION) {
                 dispose();
             }
-            // CANCEL_OPTION - nedělat nic
+            // CANCEL_OPTION - do nothing
         } else {
             dispose();
         }
@@ -1154,9 +1154,9 @@ public class FileEditor extends JDialog {
         dlg.add(new JLabel(message), BorderLayout.CENTER);
 
         JPanel btnPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
-        JButton yesBtn = new JButton("Ano");
-        JButton noBtn = new JButton("Ne");
-        JButton cancelBtn = new JButton("Zrušit");
+        JButton yesBtn = new JButton("Yes");
+        JButton noBtn = new JButton("No");
+        JButton cancelBtn = new JButton("Cancel");
 
         final int[] result = {JOptionPane.CANCEL_OPTION};
 
diff --git a/src/main/java/cz/kamma/kfmanager/ui/FontChooserDialog.java b/src/main/java/cz/kamma/kfmanager/ui/FontChooserDialog.java
index adc37d6..a2f124f 100644
--- a/src/main/java/cz/kamma/kfmanager/ui/FontChooserDialog.java
+++ b/src/main/java/cz/kamma/kfmanager/ui/FontChooserDialog.java
@@ -5,7 +5,7 @@ import javax.swing.*;
 import java.awt.*;
 
 /**
- * Dialog pro výběr fontu
+ * Font selection dialog
  */
 public class FontChooserDialog extends JDialog {
     private Font selectedFont;
@@ -17,7 +17,7 @@ public class FontChooserDialog extends JDialog {
     private JTextArea previewArea;
     
     public FontChooserDialog(Window parent, Font initialFont) {
-        super(parent, "Výběr fontu", ModalityType.APPLICATION_MODAL);
+        super(parent, "Select Font", ModalityType.APPLICATION_MODAL);
         this.selectedFont = initialFont;
         
         initComponents();
@@ -31,10 +31,10 @@ public class FontChooserDialog extends JDialog {
     private void initComponents() {
         setLayout(new BorderLayout(10, 10));
         
-    // Panel pro výběr (font, velikost, styl)
+    // Selection panel (font, size, style)
     JPanel selectionPanel = new JPanel(new GridLayout(1, 3, 10, 0));
         
-        // Seznam fontů
+        // Font list
         JPanel fontPanel = new JPanel(new BorderLayout());
         fontPanel.add(new JLabel("Font:"), BorderLayout.NORTH);
         
@@ -51,9 +51,9 @@ public class FontChooserDialog extends JDialog {
         JScrollPane fontScroll = new JScrollPane(fontList);
         fontPanel.add(fontScroll, BorderLayout.CENTER);
         
-        // Seznam velikostí
+        // Size list
         JPanel sizePanel = new JPanel(new BorderLayout());
-        sizePanel.add(new JLabel("Velikost:"), BorderLayout.NORTH);
+        sizePanel.add(new JLabel("Size:"), BorderLayout.NORTH);
         
         Integer[] sizes = {8, 9, 10, 11, 12, 13, 14, 16, 18, 20, 22, 24, 26, 28, 32, 36, 40, 48, 56, 64, 72};
         sizeList = new JList<>(sizes);
@@ -67,9 +67,9 @@ public class FontChooserDialog extends JDialog {
         JScrollPane sizeScroll = new JScrollPane(sizeList);
         sizePanel.add(sizeScroll, BorderLayout.CENTER);
 
-        // Seznam stylů (Plain, Bold, Italic, Bold Italic)
+        // Style list (Plain, Bold, Italic, Bold Italic)
         JPanel stylePanel = new JPanel(new BorderLayout());
-        stylePanel.add(new JLabel("Styl:"), BorderLayout.NORTH);
+        stylePanel.add(new JLabel("Style:"), BorderLayout.NORTH);
 
         String[] styles = {"Plain", "Bold", "Italic", "Bold Italic"};
         styleList = new JList<>(styles);
@@ -100,7 +100,7 @@ public class FontChooserDialog extends JDialog {
         previewScroll.setPreferredSize(new Dimension(0, 120));
         previewPanel.add(previewScroll, BorderLayout.CENTER);
         
-        // Tlačítka
+        // Buttons
         JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
         
         JButton okButton = new JButton("OK");
@@ -109,7 +109,7 @@ public class FontChooserDialog extends JDialog {
             dispose();
         });
         
-        JButton cancelButton = new JButton("Zrušit");
+        JButton cancelButton = new JButton("Cancel");
         cancelButton.addActionListener(e -> {
             approved = false;
             dispose();
@@ -129,13 +129,13 @@ public class FontChooserDialog extends JDialog {
     }
     
     private void selectFont(Font font) {
-        // Najít a vybrat font
+        // Find and select font
         fontList.setSelectedValue(font.getName(), true);
         
-        // Najít a vybrat velikost
+        // Find and select size
         sizeList.setSelectedValue(font.getSize(), true);
 
-        // Najít a vybrat styl
+        // Find and select style
         int style = font.getStyle();
         switch (style) {
             case Font.BOLD:
diff --git a/src/main/java/cz/kamma/kfmanager/ui/MainWindow.java b/src/main/java/cz/kamma/kfmanager/ui/MainWindow.java
index f1c3145..d041ab9 100644
--- a/src/main/java/cz/kamma/kfmanager/ui/MainWindow.java
+++ b/src/main/java/cz/kamma/kfmanager/ui/MainWindow.java
@@ -452,11 +452,18 @@ public class MainWindow extends JFrame {
 
         // Search button
         JButton btnSearch = new JButton("🔍");
-        btnSearch.setToolTipText("Hledat soubory (Alt+F7)");
+        btnSearch.setToolTipText("Search files (Alt+F7)");
         btnSearch.setFocusable(false);
         btnSearch.addActionListener(e -> showSearchDialog());
         toolBar.add(btnSearch);
 
+        // Sync button
+        JButton btnSync = new JButton("⚖");
+        btnSync.setToolTipText("Compare directories");
+        btnSync.setFocusable(false);
+        btnSync.addActionListener(e -> showSyncDialog());
+        toolBar.add(btnSync);
+
         toolBar.addSeparator();
 
         // Load custom shortcuts from config
@@ -1725,6 +1732,16 @@ public class MainWindow extends JFrame {
         dialog.setVisible(true);
     }
 
+    /**
+     * Show Sync Directories dialog
+     */
+    private void showSyncDialog() {
+        File leftDir = leftPanel.getCurrentDirectory();
+        File rightDir = rightPanel.getCurrentDirectory();
+        SyncDirectoriesDialog dialog = new SyncDirectoriesDialog(this, leftDir, rightDir, config);
+        dialog.setVisible(true);
+    }
+
     /**
      * Show wildcard select dialog
      */
diff --git a/src/main/java/cz/kamma/kfmanager/ui/SearchDialog.java b/src/main/java/cz/kamma/kfmanager/ui/SearchDialog.java
index 62aff13..55edd0c 100644
--- a/src/main/java/cz/kamma/kfmanager/ui/SearchDialog.java
+++ b/src/main/java/cz/kamma/kfmanager/ui/SearchDialog.java
@@ -124,7 +124,7 @@ public class SearchDialog extends JDialog {
         
         gbc.gridx = 0;
         gbc.gridy = 0;
-        searchPanel.add(new JLabel("Hledat:"), gbc);
+        searchPanel.add(new JLabel("Search for:"), gbc);
         
         gbc.gridx = 1;
         gbc.weightx = 1.0;
@@ -231,7 +231,7 @@ public class SearchDialog extends JDialog {
         });
         
     JScrollPane scrollPane = new JScrollPane(resultsTable);
-    scrollPane.setBorder(BorderFactory.createTitledBorder("Výsledky"));
+    scrollPane.setBorder(BorderFactory.createTitledBorder("Results"));
     add(scrollPane, BorderLayout.CENTER);
         
     // Status bar with progress and message
@@ -244,24 +244,24 @@ public class SearchDialog extends JDialog {
     statusPanel.add(statusLabel, BorderLayout.CENTER);
     statusPanel.add(statusProgressBar, BorderLayout.EAST);
 
-    // Panel s tlačítky
+    // Panel with buttons
     JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
         
-    searchButton = new JButton("Hledat");
+    searchButton = new JButton("Search");
     searchButton.addActionListener(e -> performSearch());
 
-    viewButton = new JButton("Zobrazit");
+    viewButton = new JButton("View");
     viewButton.setEnabled(false);
     viewButton.addActionListener(e -> viewSelectedFile());
 
-    editButton = new JButton("Upravit");
+    editButton = new JButton("Edit");
     editButton.setEnabled(false);
     editButton.addActionListener(e -> editSelectedFile());
 
-    cancelButton = new JButton("Zavřít");
+    cancelButton = new JButton("Close");
     cancelButton.addActionListener(e -> dispose());
 
-    JButton openButton = new JButton("Otevřít umístění");
+    JButton openButton = new JButton("Open location");
     openButton.addActionListener(e -> openSelectedFile());
 
     buttonPanel.add(searchButton);
@@ -571,15 +571,15 @@ public class SearchDialog extends JDialog {
                     statusLabel.setText("Done — found " + foundCount + " files");
                     if (tableModel.getRowCount() == 0) {
                         JOptionPane.showMessageDialog(SearchDialog.this, 
-                                "Nebyly nalezeny žádné soubory", 
-                                "Výsledek", 
+                                "No files found", 
+                                "Result", 
                                 JOptionPane.INFORMATION_MESSAGE);
                     }
                 } catch (Exception e) {
                     statusLabel.setText("Error");
                     JOptionPane.showMessageDialog(SearchDialog.this, 
-                            "Chyba při hledání: " + e.getMessage(), 
-                            "Chyba", 
+                            "Error during search: " + e.getMessage(), 
+                            "Error", 
                             JOptionPane.ERROR_MESSAGE);
                 }
             }
@@ -589,7 +589,7 @@ public class SearchDialog extends JDialog {
     }
     
     /**
-     * Otevře umístění vybraného souboru v exploreru
+     * Open selected file location
      */
     private void openSelectedFile() {
         int selectedRow = resultsTable.getSelectedRow();
@@ -622,8 +622,8 @@ public class SearchDialog extends JDialog {
                 Desktop.getDesktop().open(item.getFile().getParentFile());
             } catch (Exception e) {
                 JOptionPane.showMessageDialog(this, 
-                        "Nepodařilo se otevřít umístění: " + e.getMessage(), 
-                        "Chyba", 
+                        "Could not open location: " + e.getMessage(), 
+                        "Error", 
                         JOptionPane.ERROR_MESSAGE);
             }
         }
@@ -666,7 +666,7 @@ public class SearchDialog extends JDialog {
                     });
                     viewer.setVisible(true);
                 } catch (Exception e) {
-                    JOptionPane.showMessageDialog(this, "Chyba při otevírání souboru: " + e.getMessage(), "Chyba", JOptionPane.ERROR_MESSAGE);
+                    JOptionPane.showMessageDialog(this, "Error opening file: " + e.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
                 }
             }
         }
@@ -682,7 +682,7 @@ public class SearchDialog extends JDialog {
             if (item != null && !item.isDirectory() && !"..".equals(item.getName())) {
                 boolean inArchive = item.getPath() != null && !item.getPath().equals(item.getFile().getAbsolutePath());
                 if (inArchive) {
-                    JOptionPane.showMessageDialog(this, "Editace souborů přímo v archivu není podporována. Použijte 'Otevřít umístění' pro přístup k archivu.", "Informace", JOptionPane.INFORMATION_MESSAGE);
+                    JOptionPane.showMessageDialog(this, "Editing web files directly in an archive is not supported. Use 'Go to File' to access the archive.", "Information", JOptionPane.INFORMATION_MESSAGE);
                     return;
                 }
                 try {
@@ -710,18 +710,18 @@ public class SearchDialog extends JDialog {
                     });
                     editor.setVisible(true);
                 } catch (Exception e) {
-                    JOptionPane.showMessageDialog(this, "Chyba při otevírání souboru: " + e.getMessage(), "Chyba", JOptionPane.ERROR_MESSAGE);
+                    JOptionPane.showMessageDialog(this, "Error opening file: " + e.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
                 }
             }
         }
     }
     
     /**
-     * Model tabulky pro výsledky hledání
+     * Table model for search results
      */
     private class ResultsTableModel extends AbstractTableModel {
         
-        private final String[] columnNames = {"Cesta", "Velikost", "Datum změny"};
+        private final String[] columnNames = {"Path", "Size", "Modified Date"};
         private List<FileItem> results = new ArrayList<>();
         
         public void addResult(FileItem item) {
diff --git a/src/main/java/cz/kamma/kfmanager/ui/SyncDirectoriesDialog.java b/src/main/java/cz/kamma/kfmanager/ui/SyncDirectoriesDialog.java
new file mode 100644
index 0000000..35f5f6e
--- /dev/null
+++ b/src/main/java/cz/kamma/kfmanager/ui/SyncDirectoriesDialog.java
@@ -0,0 +1,414 @@
+package cz.kamma.kfmanager.ui;
+
+import cz.kamma.kfmanager.config.AppConfig;
+import cz.kamma.kfmanager.model.FileItem;
+import cz.kamma.kfmanager.service.FileOperations;
+
+import javax.swing.*;
+import javax.swing.table.AbstractTableModel;
+import javax.swing.table.DefaultTableCellRenderer;
+import java.awt.*;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Collections;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.TreeMap;
+
+public class SyncDirectoriesDialog extends JDialog {
+    private JTextField leftPathField;
+    private JTextField rightPathField;
+    private JCheckBox subdirsCheckbox;
+    private JCheckBox byContentCheckbox;
+    private JCheckBox ignoreDateCheckbox;
+    private JToggleButton showLeftOnlyBtn;
+    private JToggleButton showEqualBtn;
+    private JToggleButton showDiffBtn;
+    private JToggleButton showRightOnlyBtn;
+    private List<SyncEntry> allEntries = new ArrayList<>();
+    private JTable resultsTable;
+    private SyncTableModel tableModel;
+    private AppConfig config;
+    private JLabel statusLabel;
+
+    public SyncDirectoriesDialog(Frame owner, File leftDir, File rightDir, AppConfig config) {
+        super(owner, "Synchronize Directories", true);
+        this.config = config;
+        
+        initComponents(leftDir, rightDir);
+        setSize(1000, 600);
+        setLocationRelativeTo(owner);
+    }
+
+    private void initComponents(File leftDir, File rightDir) {
+        setLayout(new BorderLayout());
+
+        JPanel topPanel = new JPanel();
+        topPanel.setLayout(new BoxLayout(topPanel, BoxLayout.Y_AXIS));
+        topPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
+
+        // Paths row
+        JPanel pathsPanel = new JPanel(new GridLayout(1, 2, 10, 0));
+        
+        JPanel leftP = new JPanel(new BorderLayout(5, 0));
+        leftPathField = new JTextField(leftDir != null ? leftDir.getAbsolutePath() : "");
+        JButton browseLeft = new JButton("...");
+        browseLeft.addActionListener(e -> browsePath(leftPathField));
+        leftP.add(leftPathField, BorderLayout.CENTER);
+        leftP.add(browseLeft, BorderLayout.EAST);
+        
+        JPanel rightP = new JPanel(new BorderLayout(5, 0));
+        rightPathField = new JTextField(rightDir != null ? rightDir.getAbsolutePath() : "");
+        JButton browseRight = new JButton("...");
+        browseRight.addActionListener(e -> browsePath(rightPathField));
+        rightP.add(rightPathField, BorderLayout.CENTER);
+        rightP.add(browseRight, BorderLayout.EAST);
+        
+        pathsPanel.add(leftP);
+        pathsPanel.add(rightP);
+        topPanel.add(pathsPanel);
+        topPanel.add(Box.createVerticalStrut(10));
+
+        // Options toolbar
+        JPanel optionsPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
+        JButton compareBtn = new JButton("Compare");
+        compareBtn.addActionListener(e -> performComparison());
+        optionsPanel.add(compareBtn);
+        
+        subdirsCheckbox = new JCheckBox("Include subdirectories");
+        byContentCheckbox = new JCheckBox("By content");
+        ignoreDateCheckbox = new JCheckBox("Ignore date");
+        
+        optionsPanel.add(subdirsCheckbox);
+        optionsPanel.add(byContentCheckbox);
+        optionsPanel.add(ignoreDateCheckbox);
+        
+        optionsPanel.add(Box.createHorizontalStrut(20));
+        optionsPanel.add(new JLabel("Show:"));
+        
+        showLeftOnlyBtn = new JToggleButton("➡");
+        showEqualBtn = new JToggleButton("=");
+        showDiffBtn = new JToggleButton("≠");
+        showRightOnlyBtn = new JToggleButton("⬅");
+        
+        showLeftOnlyBtn.setSelected(true);
+        showEqualBtn.setSelected(true);
+        showDiffBtn.setSelected(true);
+        showRightOnlyBtn.setSelected(true);
+        
+        java.awt.event.ActionListener filterAl = e -> applyFilters();
+        showLeftOnlyBtn.addActionListener(filterAl);
+        showEqualBtn.addActionListener(filterAl);
+        showDiffBtn.addActionListener(filterAl);
+        showRightOnlyBtn.addActionListener(filterAl);
+        
+        optionsPanel.add(showLeftOnlyBtn);
+        optionsPanel.add(showEqualBtn);
+        optionsPanel.add(showDiffBtn);
+        optionsPanel.add(showRightOnlyBtn);
+        
+        optionsPanel.add(Box.createHorizontalStrut(10));
+        JButton duplicatesBtn = new JButton("duplicates");
+        duplicatesBtn.addActionListener(e -> {
+            showEqualBtn.setSelected(true);
+            showDiffBtn.setSelected(true);
+            showLeftOnlyBtn.setSelected(false);
+            showRightOnlyBtn.setSelected(false);
+            applyFilters();
+        });
+        JButton singlesBtn = new JButton("singles");
+        singlesBtn.addActionListener(e -> {
+            showEqualBtn.setSelected(false);
+            showDiffBtn.setSelected(false);
+            showLeftOnlyBtn.setSelected(true);
+            showRightOnlyBtn.setSelected(true);
+            applyFilters();
+        });
+        optionsPanel.add(duplicatesBtn);
+        optionsPanel.add(singlesBtn);
+        
+        topPanel.add(optionsPanel);
+        add(topPanel, BorderLayout.NORTH);
+
+        // Table
+        tableModel = new SyncTableModel();
+        resultsTable = new JTable(tableModel);
+        resultsTable.setShowGrid(false);
+        resultsTable.setIntercellSpacing(new Dimension(0, 0));
+        resultsTable.setDefaultRenderer(Object.class, new SyncTableCellRenderer());
+        
+        // Adjust column widths
+        resultsTable.getColumnModel().getColumn(3).setMaxWidth(40); // Icon column
+        
+        add(new JScrollPane(resultsTable), BorderLayout.CENTER);
+
+        // Bottom panel
+        JPanel bottomPanel = new JPanel(new BorderLayout());
+        statusLabel = new JLabel("Waiting for comparison...");
+        statusLabel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
+        bottomPanel.add(statusLabel, BorderLayout.WEST);
+
+        JPanel btnPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
+        JButton syncBtn = new JButton("Synchronize...");
+        syncBtn.addActionListener(e -> performSync());
+        JButton closeBtn = new JButton("Close");
+        closeBtn.addActionListener(e -> dispose());
+        btnPanel.add(syncBtn);
+        btnPanel.add(closeBtn);
+        bottomPanel.add(btnPanel, BorderLayout.EAST);
+
+        add(bottomPanel, BorderLayout.SOUTH);
+    }
+
+    private void browsePath(JTextField field) {
+        JFileChooser chooser = new JFileChooser(field.getText());
+        chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
+        if (chooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
+            field.setText(chooser.getSelectedFile().getAbsolutePath());
+        }
+    }
+
+    private void performComparison() {
+        File leftDir = new File(leftPathField.getText());
+        File rightDir = new File(rightPathField.getText());
+        
+        if (!leftDir.isDirectory() || !rightDir.isDirectory()) {
+            JOptionPane.showMessageDialog(this, "Both paths must be directories.", "Error", JOptionPane.ERROR_MESSAGE);
+            return;
+        }
+
+        statusLabel.setText("Comparing...");
+        
+        new SwingWorker<List<SyncEntry>, Void>() {
+            @Override
+            protected List<SyncEntry> doInBackground() throws Exception {
+                return compareDirectories(leftDir, rightDir, "", subdirsCheckbox.isSelected());
+            }
+
+            @Override
+            protected void done() {
+                try {
+                    allEntries = get();
+                    applyFilters();
+                } catch (Exception e) {
+                    e.printStackTrace();
+                    JOptionPane.showMessageDialog(SyncDirectoriesDialog.this, "Error during comparison: " + e.getMessage());
+                    statusLabel.setText("Error.");
+                }
+            }
+        }.execute();
+    }
+
+    private List<SyncEntry> compareDirectories(File leftRoot, File rightRoot, String relativePath, boolean recursive) {
+        Map<String, SyncEntry> map = new TreeMap<>();
+        
+        File leftDir = relativePath.isEmpty() ? leftRoot : new File(leftRoot, relativePath);
+        File rightDir = relativePath.isEmpty() ? rightRoot : new File(rightRoot, relativePath);
+
+        File[] leftFiles = leftDir.listFiles();
+        File[] rightFiles = rightDir.listFiles();
+
+        if (leftFiles != null) {
+            for (File f : leftFiles) {
+                String name = relativePath.isEmpty() ? f.getName() : relativePath + File.separator + f.getName();
+                SyncEntry entry = new SyncEntry(name);
+                entry.leftFile = f;
+                entry.leftSize = f.isDirectory() ? -1 : f.length();
+                entry.leftModified = f.lastModified();
+                entry.isDirectory = f.isDirectory();
+                map.put(name, entry);
+            }
+        }
+
+        if (rightFiles != null) {
+            for (File f : rightFiles) {
+                String name = relativePath.isEmpty() ? f.getName() : relativePath + File.separator + f.getName();
+                SyncEntry entry = map.get(name);
+                if (entry == null) {
+                    entry = new SyncEntry(name);
+                    map.put(name, entry);
+                }
+                entry.rightFile = f;
+                entry.rightSize = f.isDirectory() ? -1 : f.length();
+                entry.rightModified = f.lastModified();
+                entry.isDirectory = entry.isDirectory || f.isDirectory();
+            }
+        }
+
+        List<SyncEntry> resultList = new ArrayList<>();
+        List<String> subdirsToProcess = new ArrayList<>();
+
+        for (SyncEntry entry : map.values()) {
+            if (entry.isDirectory) {
+                if (recursive) {
+                    subdirsToProcess.add(entry.relativePath);
+                }
+            } else {
+                updateRelation(entry);
+                resultList.add(entry);
+            }
+        }
+
+        if (recursive) {
+            for (String sub : subdirsToProcess) {
+                resultList.addAll(compareDirectories(leftRoot, rightRoot, sub, true));
+            }
+        }
+
+        return resultList;
+    }
+
+    private void applyFilters() {
+        List<SyncEntry> filtered = new ArrayList<>();
+        for (SyncEntry e : allEntries) {
+            if ("=".equals(e.relation) && showEqualBtn.isSelected()) filtered.add(e);
+            else if ("!=".equals(e.relation) && showDiffBtn.isSelected()) filtered.add(e);
+            else if ("->".equals(e.relation) && showLeftOnlyBtn.isSelected()) filtered.add(e);
+            else if ("<-".equals(e.relation) && showRightOnlyBtn.isSelected()) filtered.add(e);
+        }
+        tableModel.setResults(filtered);
+        statusLabel.setText(String.format("Showing %d of %d items.", filtered.size(), allEntries.size()));
+    }
+
+    private void updateRelation(SyncEntry entry) {
+        if (entry.leftFile != null && entry.rightFile == null) {
+            entry.relation = "->";
+        } else if (entry.leftFile == null && entry.rightFile != null) {
+            entry.relation = "<-";
+        } else {
+            boolean sizeMatch = entry.leftSize == entry.rightSize;
+            boolean dateMatch = ignoreDateCheckbox.isSelected() || (entry.leftModified / 1000 == entry.rightModified / 1000); 
+            
+            if (sizeMatch && dateMatch) {
+                if (byContentCheckbox.isSelected()) {
+                    if (compareByContent(entry.leftFile, entry.rightFile)) {
+                        entry.relation = "=";
+                    } else {
+                        entry.relation = "!=";
+                    }
+                } else {
+                    entry.relation = "=";
+                }
+            } else {
+                if (entry.leftModified > entry.rightModified) {
+                    entry.relation = "->";
+                } else if (entry.leftModified < entry.rightModified) {
+                    entry.relation = "<-";
+                } else {
+                    entry.relation = "!=";
+                }
+            }
+        }
+    }
+
+    private boolean compareByContent(File f1, File f2) {
+        if (f1.length() != f2.length()) return false;
+        try (java.io.InputStream i1 = new java.io.FileInputStream(f1);
+             java.io.InputStream i2 = new java.io.FileInputStream(f2)) {
+            byte[] b1 = new byte[8192];
+            byte[] b2 = new byte[8192];
+            int n;
+            while ((n = i1.read(b1)) != -1) {
+                if (i2.read(b2) != n) return false;
+                if (!java.util.Arrays.equals(b1, 0, n, b2, 0, n)) return false;
+            }
+            return true;
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
+    private void performSync() {
+        // Basic implementation of sync (copy missing/newer files)
+        // For now just show info, actual copy logic would use FileOperationQueue
+        JOptionPane.showMessageDialog(this, "Synchronization feature will be implemented soon. For now, only comparison is available.", "Information", JOptionPane.INFORMATION_MESSAGE);
+    }
+
+    private static class SyncEntry {
+        String relativePath;
+        File leftFile;
+        File rightFile;
+        long leftSize;
+        long rightSize;
+        long leftModified;
+        long rightModified;
+        String relation = ""; // "=", "!=", "->", "<-"
+        boolean isDirectory;
+
+        SyncEntry(String rel) { this.relativePath = rel; }
+    }
+
+    private static class SyncTableModel extends AbstractTableModel {
+        private String[] columns = {"Name (L)", "Size", "Date", "", "Date", "Size", "Name (R)"};
+        private List<SyncEntry> entries = new ArrayList<>();
+
+        public void setResults(List<SyncEntry> results) {
+            this.entries = results;
+            fireTableDataChanged();
+        }
+
+        @Override public int getRowCount() { return entries.size(); }
+        @Override public int getColumnCount() { return columns.length; }
+        @Override public String getColumnName(int col) { return columns[col]; }
+
+        @Override
+        public Object getValueAt(int row, int col) {
+            SyncEntry e = entries.get(row);
+            switch(col) {
+                case 0: return e.leftFile != null ? e.relativePath : "";
+                case 1: return e.leftFile != null ? formatSize(e.leftSize) : "";
+                case 2: return e.leftFile != null ? formatDate(e.leftModified) : "";
+                case 3: return e.relation;
+                case 4: return e.rightFile != null ? formatDate(e.rightModified) : "";
+                case 5: return e.rightFile != null ? formatSize(e.rightSize) : "";
+                case 6: return e.rightFile != null ? e.relativePath : "";
+            }
+            return "";
+        }
+
+        private String formatSize(long size) {
+            if (size < 0) return "<DIR>";
+            return String.format("%,d", size);
+        }
+
+        private String formatDate(long time) {
+            return new java.text.SimpleDateFormat("dd.MM.yy HH:mm:ss").format(new Date(time));
+        }
+    }
+
+    private static class SyncTableCellRenderer extends DefaultTableCellRenderer {
+        @Override
+        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSel, boolean hasFocus, int row, int col) {
+            Component c = super.getTableCellRendererComponent(table, value, isSel, hasFocus, row, col);
+            SyncTableModel model = (SyncTableModel) table.getModel();
+            SyncEntry entry = model.entries.get(row);
+
+            if (!isSel) {
+                if ("=".equals(entry.relation)) {
+                    c.setForeground(Color.BLACK);
+                } else if ("!=".equals(entry.relation)) {
+                    c.setForeground(Color.RED);
+                } else if ("->".equals(entry.relation)) {
+                    c.setForeground(new Color(0, 100, 0)); // Dark green
+                } else if ("<-".equals(entry.relation)) {
+                    c.setForeground(Color.BLUE);
+                }
+            }
+            
+            if (col == 3) {
+                setHorizontalAlignment(CENTER);
+                setFont(getFont().deriveFont(Font.BOLD));
+            } else if (col == 1 || col == 5) {
+                setHorizontalAlignment(RIGHT);
+            } else {
+                setHorizontalAlignment(LEFT);
+            }
+
+            return c;
+        }
+    }
+}
diff --git a/src/main/java/cz/kamma/kfmanager/ui/WildcardSelectDialog.java b/src/main/java/cz/kamma/kfmanager/ui/WildcardSelectDialog.java
index 850f873..7f909b2 100644
--- a/src/main/java/cz/kamma/kfmanager/ui/WildcardSelectDialog.java
+++ b/src/main/java/cz/kamma/kfmanager/ui/WildcardSelectDialog.java
@@ -14,7 +14,7 @@ public class WildcardSelectDialog extends JDialog {
     private boolean confirmed = false;
     
     public WildcardSelectDialog(Frame parent) {
-        super(parent, "Vybrat podle masky", true);
+        super(parent, "Select by pattern", true);
         initComponents();
         
         MainApp.applyReflectiveCaretColor(getContentPane());
@@ -31,7 +31,7 @@ public class WildcardSelectDialog extends JDialog {
         mainPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
         
         // Label
-        JLabel label = new JLabel("Zadejte masku (např. *.txt, test*.*, file?.dat):");
+        JLabel label = new JLabel("Enter pattern (e.g. *.txt, test*.*, file?.dat):");
         mainPanel.add(label, BorderLayout.NORTH);
         
         // Text field for pattern
@@ -50,7 +50,7 @@ public class WildcardSelectDialog extends JDialog {
             dispose();
         });
         
-        JButton cancelButton = new JButton("Zrušit");
+        JButton cancelButton = new JButton("Cancel");
         cancelButton.addActionListener(e -> {
             confirmed = false;
             dispose();