diff --git a/CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/MainToolBar.java b/CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/MainToolBar.java
index 3993c617c0e08aec82f750255bf86c18e9c6dc1b..ff6808b3bcf712544dc17831b0618cce424dd8e7 100644
--- a/CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/MainToolBar.java
+++ b/CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/MainToolBar.java
@@ -85,6 +85,12 @@ public class MainToolBar {
     @FXML
     private ImageView lod4View;
 
+    @FXML
+    private Button zipBtn;
+
+    @FXML
+    private ImageView zipView;
+
     @FXML
     private Button aboutBtn;
 
@@ -147,6 +153,7 @@ public class MainToolBar {
         setupReportButton();
         setupResetCameraButton();
         setupHideRoofButton();
+        setupZipButton();
         loadImages();
 
         gridButton.setOnAction(ae -> renderer.showWireFrame(gridButton.isSelected()));
@@ -225,6 +232,10 @@ public class MainToolBar {
                 Image img = new Image(inStream);
                 hideRoofView.setImage(img);
             }
+            try (InputStream inStream = MainWindow.class.getResourceAsStream("icons/zip.png")) {
+                Image img = new Image(inStream);
+                zipView.setImage(img);
+            }
         } catch (IOException e) {
             // ignore close exception
         }
@@ -336,6 +347,14 @@ public class MainToolBar {
 
     }
 
+    private void setupZipButton() {
+        zipBtn.setDisable(true);
+        zipBtn.setTooltip(new Tooltip(Localization.getText("MainToolBar.zip")));
+        zipBtn.setOnAction(ae -> {
+            //TODO: Implement Zipfile viewer
+        });
+    }
+
     public Button getCheckButton() {
         return checkBtn;
     }
diff --git a/CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/OpenFileDialog.java b/CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/OpenFileDialog.java
index ccd3d586809ad7c7b71539836a351b747421627c..8d745589dd4450191d51e05033826d24b69f12d6 100644
--- a/CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/OpenFileDialog.java
+++ b/CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/OpenFileDialog.java
@@ -121,6 +121,7 @@ public class OpenFileDialog {
 				fc = new FileChooser();
 				fc.setTitle(Localization.getText("OpenFileDialog.select"));
 				fc.getExtensionFilters().add(new ExtensionFilter("GML/XML", "*.gml", "*.xml"));
+				fc.getExtensionFilters().add(new ExtensionFilter("ZIP", "*.zip"));
 				fc.getExtensionFilters().add(new ExtensionFilter(Localization.getText("MainWindow.all"), "*.*"));
 			}
 			File dir = new File(Settings.get(Settings.LAST_OPEN_FOLDER, ""));
diff --git a/CityDoctorParent/Extensions/CityDoctorGUI/src/main/resources/de/hft/stuttgart/citydoctor2/gui/MainToolBar.fxml b/CityDoctorParent/Extensions/CityDoctorGUI/src/main/resources/de/hft/stuttgart/citydoctor2/gui/MainToolBar.fxml
index ece119e4a02d62c0516e3c6546df696b9b842ae6..ef0fde8aee0e88120a4e91f73b3b2836e26e4ea5 100644
--- a/CityDoctorParent/Extensions/CityDoctorGUI/src/main/resources/de/hft/stuttgart/citydoctor2/gui/MainToolBar.fxml
+++ b/CityDoctorParent/Extensions/CityDoctorGUI/src/main/resources/de/hft/stuttgart/citydoctor2/gui/MainToolBar.fxml
@@ -1,9 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <?import javafx.geometry.Insets?>
-<?import javafx.scene.control.*?>
-<?import javafx.scene.image.*?>
-<?import javafx.scene.layout.*?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Separator?>
+<?import javafx.scene.control.ToggleButton?>
+<?import javafx.scene.image.ImageView?>
+<?import javafx.scene.layout.HBox?>
+
 <HBox maxHeight="1.7976931348623157E308" maxWidth="1.7976931348623157E308" spacing="5.0" xmlns="http://javafx.com/javafx/22" xmlns:fx="http://javafx.com/fxml/1">
    <children>
       <HBox spacing="5.0" HBox.hgrow="NEVER">
@@ -75,6 +78,12 @@
       </HBox>
       <HBox fx:id="spacer" alignment="TOP_RIGHT" maxHeight="1.7976931348623157E308" maxWidth="1.7976931348623157E308" spacing="5.0" HBox.hgrow="ALWAYS">
          <children>
+            <Button id="loadBtn" fx:id="zipBtn" disable="true" mnemonicParsing="false">
+               <graphic>
+                  <ImageView fx:id="zipView" fitHeight="32.0" fitWidth="32.0" pickOnBounds="true" preserveRatio="true"/>
+               </graphic>
+            </Button>
+            <Separator orientation="VERTICAL"/>
             <Button id="loadBtn" fx:id="saveBtn" disable="true" mnemonicParsing="false">
                <graphic>
                   <ImageView fx:id="saveView" fitHeight="32.0" fitWidth="32.0" pickOnBounds="true" preserveRatio="true" />
diff --git a/CityDoctorParent/Extensions/CityDoctorGUI/src/main/resources/de/hft/stuttgart/citydoctor2/gui/icons/zip.png b/CityDoctorParent/Extensions/CityDoctorGUI/src/main/resources/de/hft/stuttgart/citydoctor2/gui/icons/zip.png
new file mode 100644
index 0000000000000000000000000000000000000000..ee329048de4085947bcc42a2ace95d8e002cd351
Binary files /dev/null and b/CityDoctorParent/Extensions/CityDoctorGUI/src/main/resources/de/hft/stuttgart/citydoctor2/gui/icons/zip.png differ