diff --git a/src/OptimaLab35/ui/main_window.py b/src/OptimaLab35/ui/main_window.py
index bca1e18..d19d062 100644
--- a/src/OptimaLab35/ui/main_window.py
+++ b/src/OptimaLab35/ui/main_window.py
@@ -538,6 +538,9 @@ class Ui_MainWindow(object):
         self.dateEdit.setObjectName(u"dateEdit")
         self.dateEdit.setEnabled(False)
         self.dateEdit.setDateTime(QDateTime(QDate(2025, 1, 1), QTime(0, 0, 0)))
+        self.dateEdit.setMaximumDate(QDate(2038, 12, 31))
+        self.dateEdit.setMinimumDate(QDate(1970, 1, 1))
+        self.dateEdit.setCalendarPopup(True)
 
         self.horizontalLayout_2.addWidget(self.dateEdit)
 
@@ -603,27 +606,60 @@ class Ui_MainWindow(object):
         self.actionPreview.setText(QCoreApplication.translate("MainWindow", u"Preview image", None))
         self.actionAbout.setText(QCoreApplication.translate("MainWindow", u"About", None))
         self.actionUpdate.setText(QCoreApplication.translate("MainWindow", u"Update", None))
+#if QT_CONFIG(tooltip)
+        self.input_folder_button.setToolTip(QCoreApplication.translate("MainWindow", u"Open a file browser to select a folder for loading images.", None))
+#endif // QT_CONFIG(tooltip)
         self.input_folder_button.setText(QCoreApplication.translate("MainWindow", u"Input", None))
         self.output_path.setText("")
         self.output_path.setPlaceholderText(QCoreApplication.translate("MainWindow", u"Output folder", None))
+#if QT_CONFIG(tooltip)
+        self.input_path.setToolTip("")
+#endif // QT_CONFIG(tooltip)
         self.input_path.setText("")
         self.input_path.setPlaceholderText(QCoreApplication.translate("MainWindow", u"Input folder", None))
+#if QT_CONFIG(tooltip)
+        self.output_folder_button.setToolTip(QCoreApplication.translate("MainWindow", u"Open a file browser to select a folder for saving images.", None))
+#endif // QT_CONFIG(tooltip)
         self.output_folder_button.setText(QCoreApplication.translate("MainWindow", u"Output", None))
-        self.groupBox.setTitle(QCoreApplication.translate("MainWindow", u"Essential group", None))
+        self.groupBox.setTitle(QCoreApplication.translate("MainWindow", u"Export Settings", None))
         self.quality_label_2.setText(QCoreApplication.translate("MainWindow", u"Quality", None))
         self.label_11.setText(QCoreApplication.translate("MainWindow", u"Format     ", None))
-        self.optimize_checkBox.setText(QCoreApplication.translate("MainWindow", u"optimize", None))
+#if QT_CONFIG(tooltip)
+        self.optimize_checkBox.setToolTip(QCoreApplication.translate("MainWindow", u"Recommended for web use. Enables PIL optimization to slightly reduce file size without visible quality loss. ", None))
+#endif // QT_CONFIG(tooltip)
+        self.optimize_checkBox.setText(QCoreApplication.translate("MainWindow", u"Optimize", None))
+#if QT_CONFIG(tooltip)
+        self.png_quality_Slider.setToolTip("")
+#endif // QT_CONFIG(tooltip)
         self.quality_label_1.setText(QCoreApplication.translate("MainWindow", u"Quality", None))
 
+#if QT_CONFIG(tooltip)
+        self.image_type.setToolTip(QCoreApplication.translate("MainWindow", u"Select export file type.", None))
+#endif // QT_CONFIG(tooltip)
+#if QT_CONFIG(tooltip)
+        self.label_13.setToolTip(QCoreApplication.translate("MainWindow", u"Choose image scaling options. \u26a0 Upscaling large images may freeze the system depending on hardware.", None))
+#endif // QT_CONFIG(tooltip)
         self.label_13.setText(QCoreApplication.translate("MainWindow", u"Resize", None))
-        self.groupBox_2.setTitle(QCoreApplication.translate("MainWindow", u"Extra stuff", None))
+#if QT_CONFIG(tooltip)
+        self.resize_Slider.setToolTip("")
+#endif // QT_CONFIG(tooltip)
+#if QT_CONFIG(tooltip)
+        self.resize_spinBox.setToolTip("")
+#endif // QT_CONFIG(tooltip)
+        self.groupBox_2.setTitle(QCoreApplication.translate("MainWindow", u"Image Adjustments", None))
         self.label_9.setText(QCoreApplication.translate("MainWindow", u"Brightness", None))
         self.label_10.setText(QCoreApplication.translate("MainWindow", u"Contrast", None))
-        self.grayscale_checkBox.setText(QCoreApplication.translate("MainWindow", u"Turn image to Black and White", None))
+#if QT_CONFIG(tooltip)
+        self.grayscale_checkBox.setToolTip(QCoreApplication.translate("MainWindow", u"Converts image to Grayscale", None))
+#endif // QT_CONFIG(tooltip)
+        self.grayscale_checkBox.setText(QCoreApplication.translate("MainWindow", u"Black and White Mode", None))
+#if QT_CONFIG(tooltip)
+        self.preview_Button.setToolTip(QCoreApplication.translate("MainWindow", u"Open a preview window to see how brightness, contrast, and grayscale adjustments affect your image.", None))
+#endif // QT_CONFIG(tooltip)
         self.preview_Button.setText(QCoreApplication.translate("MainWindow", u"Preview", None))
-        self.groupBox_3.setTitle(QCoreApplication.translate("MainWindow", u"Watermark", None))
+        self.groupBox_3.setTitle(QCoreApplication.translate("MainWindow", u"Watermarking", None))
         self.watermark_lineEdit.setText("")
-        self.watermark_lineEdit.setPlaceholderText(QCoreApplication.translate("MainWindow", u"Enter Watermark", None))
+        self.watermark_lineEdit.setPlaceholderText(QCoreApplication.translate("MainWindow", u"Enter Watermark Text", None))
         self.label_12.setText(QCoreApplication.translate("MainWindow", u"Size", None))
         self.font_size_comboBox.setItemText(0, QCoreApplication.translate("MainWindow", u"Tiny", None))
         self.font_size_comboBox.setItemText(1, QCoreApplication.translate("MainWindow", u"Small", None))
@@ -631,20 +667,41 @@ class Ui_MainWindow(object):
         self.font_size_comboBox.setItemText(3, QCoreApplication.translate("MainWindow", u"Large", None))
         self.font_size_comboBox.setItemText(4, QCoreApplication.translate("MainWindow", u"Huge", None))
 
+#if QT_CONFIG(tooltip)
+        self.font_size_comboBox.setToolTip(QCoreApplication.translate("MainWindow", u"Adjust the font size for the watermark. Size scales proportionally to image dimensions.", None))
+#endif // QT_CONFIG(tooltip)
         self.font_size_comboBox.setCurrentText(QCoreApplication.translate("MainWindow", u"Normal", None))
-        self.rename_group.setTitle(QCoreApplication.translate("MainWindow", u"files", None))
+        self.rename_group.setTitle(QCoreApplication.translate("MainWindow", u"File Naming", None))
+#if QT_CONFIG(tooltip)
+        self.rename_checkbox.setToolTip(QCoreApplication.translate("MainWindow", u"Enable to rename all images with a new base name. '_xx' will be added at the end of each filename.", None))
+#endif // QT_CONFIG(tooltip)
         self.rename_checkbox.setText(QCoreApplication.translate("MainWindow", u"Rename", None))
+#if QT_CONFIG(tooltip)
+        self.revert_checkbox.setToolTip(QCoreApplication.translate("MainWindow", u"Reverses the order of images. Useful for scanned film rolls where the last image (e.g., 36) is scanned first.", None))
+#endif // QT_CONFIG(tooltip)
         self.revert_checkbox.setText(QCoreApplication.translate("MainWindow", u"Revert order", None))
         self.filename.setText("")
-        self.filename.setPlaceholderText(QCoreApplication.translate("MainWindow", u"Enter file name", None))
+        self.filename.setPlaceholderText(QCoreApplication.translate("MainWindow", u"Enter new File Names", None))
         self.start_button.setText(QCoreApplication.translate("MainWindow", u"Convert", None))
+#if QT_CONFIG(tooltip)
+        self.insert_exif_Button.setToolTip(QCoreApplication.translate("MainWindow", u"Insert EXIF without modifying images.", None))
+#endif // QT_CONFIG(tooltip)
         self.insert_exif_Button.setText(QCoreApplication.translate("MainWindow", u"Insert Exif", None))
         self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_1), QCoreApplication.translate("MainWindow", u"Main", None))
-        self.exif_group.setTitle(QCoreApplication.translate("MainWindow", u"EXIF EXPERIMENTAL", None))
-        self.exif_checkbox.setText(QCoreApplication.translate("MainWindow", u"own exif", None))
-        self.exif_copy_checkBox.setText(QCoreApplication.translate("MainWindow", u"copy exif", None))
-        self.edit_exif_button.setText(QCoreApplication.translate("MainWindow", u"Edit Exif", None))
-        self.exif_options_group.setTitle(QCoreApplication.translate("MainWindow", u"Must", None))
+        self.exif_group.setTitle(QCoreApplication.translate("MainWindow", u"EXIF Settings", None))
+#if QT_CONFIG(tooltip)
+        self.exif_checkbox.setToolTip(QCoreApplication.translate("MainWindow", u"Add your own EXIF data to the images with the selection from below.", None))
+#endif // QT_CONFIG(tooltip)
+        self.exif_checkbox.setText(QCoreApplication.translate("MainWindow", u"Custom EXIF", None))
+#if QT_CONFIG(tooltip)
+        self.exif_copy_checkBox.setToolTip(QCoreApplication.translate("MainWindow", u"Copy EXIF from the input data.", None))
+#endif // QT_CONFIG(tooltip)
+        self.exif_copy_checkBox.setText(QCoreApplication.translate("MainWindow", u"Copy EXIF", None))
+#if QT_CONFIG(tooltip)
+        self.edit_exif_button.setToolTip(QCoreApplication.translate("MainWindow", u"Open the EXIF Editor to add or remove metadata entries, making them available for selection.", None))
+#endif // QT_CONFIG(tooltip)
+        self.edit_exif_button.setText(QCoreApplication.translate("MainWindow", u"EXIF editor", None))
+        self.exif_options_group.setTitle(QCoreApplication.translate("MainWindow", u"Essential EXIF Info", None))
         self.label_7.setText(QCoreApplication.translate("MainWindow", u"Artist", None))
         self.label_4.setText(QCoreApplication.translate("MainWindow", u"ISO", None))
         self.label_6.setText(QCoreApplication.translate("MainWindow", u"Scanner", None))
@@ -655,14 +712,26 @@ class Ui_MainWindow(object):
         self.make_comboBox.setPlaceholderText("")
         self.label_3.setText(QCoreApplication.translate("MainWindow", u"Model", None))
         self.label_8.setText(QCoreApplication.translate("MainWindow", u"Copyright", None))
-        self.gps_groupBox.setTitle(QCoreApplication.translate("MainWindow", u"GPS", None))
-        self.gps_checkBox.setText(QCoreApplication.translate("MainWindow", u"add gps", None))
+        self.gps_groupBox.setTitle(QCoreApplication.translate("MainWindow", u"GPS Coordinates", None))
+#if QT_CONFIG(tooltip)
+        self.gps_checkBox.setToolTip(QCoreApplication.translate("MainWindow", u"From a Homepage like latlong.net", None))
+#endif // QT_CONFIG(tooltip)
+        self.gps_checkBox.setText(QCoreApplication.translate("MainWindow", u"Enable GPS Data", None))
+#if QT_CONFIG(tooltip)
+        self.lat_lineEdit.setToolTip(QCoreApplication.translate("MainWindow", u"Format: xx.xxxxxx (e.g., 57.618520)", None))
+#endif // QT_CONFIG(tooltip)
         self.lat_lineEdit.setText("")
-        self.lat_lineEdit.setPlaceholderText(QCoreApplication.translate("MainWindow", u"xx.xxxxxx latitude", None))
+        self.lat_lineEdit.setPlaceholderText(QCoreApplication.translate("MainWindow", u"Latitude", None))
+#if QT_CONFIG(tooltip)
+        self.long_lineEdit.setToolTip(QCoreApplication.translate("MainWindow", u"Format: xx.xxxxxx (e.g., -13.779602)", None))
+#endif // QT_CONFIG(tooltip)
         self.long_lineEdit.setText("")
-        self.long_lineEdit.setPlaceholderText(QCoreApplication.translate("MainWindow", u"xx.xxxxxx longitude", None))
-        self.date_groupBox.setTitle(QCoreApplication.translate("MainWindow", u"Optional", None))
-        self.add_date_checkBox.setText(QCoreApplication.translate("MainWindow", u"add date", None))
+        self.long_lineEdit.setPlaceholderText(QCoreApplication.translate("MainWindow", u"Longitude", None))
+        self.date_groupBox.setTitle(QCoreApplication.translate("MainWindow", u"Original Capture Data and Time", None))
+#if QT_CONFIG(tooltip)
+        self.add_date_checkBox.setToolTip(QCoreApplication.translate("MainWindow", u"Adds \"Date and Time (original)\" to the image, i.e. when the picture was taking.", None))
+#endif // QT_CONFIG(tooltip)
+        self.add_date_checkBox.setText(QCoreApplication.translate("MainWindow", u"Enable Timestamp", None))
         self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_2), QCoreApplication.translate("MainWindow", u"EXIF", None))
         self.menuHelp.setTitle(QCoreApplication.translate("MainWindow", u"Help", None))
         self.menuSettings.setTitle(QCoreApplication.translate("MainWindow", u"Settings", None))
diff --git a/src/OptimaLab35/ui/main_window.ui b/src/OptimaLab35/ui/main_window.ui
index 62acda5..57986b7 100644
--- a/src/OptimaLab35/ui/main_window.ui
+++ b/src/OptimaLab35/ui/main_window.ui
@@ -63,6 +63,9 @@
                <height>0</height>
               </size>
              </property>
+             <property name="toolTip">
+              <string>Open a file browser to select a folder for loading images.</string>
+             </property>
              <property name="text">
               <string extracomment="Comment?">Input</string>
              </property>
@@ -83,6 +86,9 @@
            </item>
            <item row="0" column="0">
             <widget class="QLineEdit" name="input_path">
+             <property name="toolTip">
+              <string/>
+             </property>
              <property name="text">
               <string/>
              </property>
@@ -99,6 +105,9 @@
                <height>0</height>
               </size>
              </property>
+             <property name="toolTip">
+              <string>Open a file browser to select a folder for saving images.</string>
+             </property>
              <property name="text">
               <string>Output</string>
              </property>
@@ -116,7 +125,7 @@
            </size>
           </property>
           <property name="title">
-           <string>Essential group</string>
+           <string>Export Settings</string>
           </property>
           <layout class="QGridLayout" name="gridLayout_4">
            <item row="4" column="0">
@@ -148,13 +157,19 @@
            </item>
            <item row="0" column="3">
             <widget class="QCheckBox" name="optimize_checkBox">
+             <property name="toolTip">
+              <string>Recommended for web use. Enables PIL optimization to slightly reduce file size without visible quality loss. </string>
+             </property>
              <property name="text">
-              <string>optimize</string>
+              <string>Optimize</string>
              </property>
             </widget>
            </item>
            <item row="4" column="2">
             <widget class="QSlider" name="png_quality_Slider">
+             <property name="toolTip">
+              <string/>
+             </property>
              <property name="minimum">
               <number>1</number>
              </property>
@@ -197,6 +212,9 @@
            </item>
            <item row="0" column="2">
             <widget class="QComboBox" name="image_type">
+             <property name="toolTip">
+              <string>Select export file type.</string>
+             </property>
              <item>
               <property name="text">
                <string notr="true">jpg</string>
@@ -232,6 +250,9 @@
            </item>
            <item row="5" column="0">
             <widget class="QLabel" name="label_13">
+             <property name="toolTip">
+              <string>Choose image scaling options. ⚠ Upscaling large images may freeze the system depending on hardware.</string>
+             </property>
              <property name="text">
               <string>Resize</string>
              </property>
@@ -239,6 +260,9 @@
            </item>
            <item row="5" column="2">
             <widget class="QSlider" name="resize_Slider">
+             <property name="toolTip">
+              <string/>
+             </property>
              <property name="minimum">
               <number>1</number>
              </property>
@@ -258,6 +282,9 @@
              <property name="enabled">
               <bool>true</bool>
              </property>
+             <property name="toolTip">
+              <string/>
+             </property>
              <property name="minimum">
               <number>1</number>
              </property>
@@ -287,7 +314,7 @@
            <bool>false</bool>
           </property>
           <property name="title">
-           <string>Extra stuff</string>
+           <string>Image Adjustments</string>
           </property>
           <layout class="QGridLayout" name="gridLayout_3">
            <item row="1" column="0">
@@ -364,13 +391,19 @@
            </item>
            <item row="5" column="0" colspan="2">
             <widget class="QCheckBox" name="grayscale_checkBox">
+             <property name="toolTip">
+              <string>Converts image to Grayscale</string>
+             </property>
              <property name="text">
-              <string>Turn image to Black and White</string>
+              <string>Black and White Mode</string>
              </property>
             </widget>
            </item>
            <item row="5" column="2">
             <widget class="QPushButton" name="preview_Button">
+             <property name="toolTip">
+              <string>Open a preview window to see how brightness, contrast, and grayscale adjustments affect your image.</string>
+             </property>
              <property name="text">
               <string>Preview</string>
              </property>
@@ -385,7 +418,7 @@
            <bool>true</bool>
           </property>
           <property name="title">
-           <string>Watermark</string>
+           <string>Watermarking</string>
           </property>
           <property name="flat">
            <bool>false</bool>
@@ -406,7 +439,7 @@
               <string/>
              </property>
              <property name="placeholderText">
-              <string>Enter Watermark</string>
+              <string>Enter Watermark Text</string>
              </property>
             </widget>
            </item>
@@ -419,6 +452,9 @@
            </item>
            <item>
             <widget class="QComboBox" name="font_size_comboBox">
+             <property name="toolTip">
+              <string>Adjust the font size for the watermark. Size scales proportionally to image dimensions.</string>
+             </property>
              <property name="currentText">
               <string>Normal</string>
              </property>
@@ -464,11 +500,14 @@
            </size>
           </property>
           <property name="title">
-           <string>files</string>
+           <string>File Naming</string>
           </property>
           <layout class="QGridLayout" name="gridLayout_6">
            <item row="0" column="0">
             <widget class="QCheckBox" name="rename_checkbox">
+             <property name="toolTip">
+              <string>Enable to rename all images with a new base name. '_xx' will be added at the end of each filename.</string>
+             </property>
              <property name="text">
               <string>Rename</string>
              </property>
@@ -479,6 +518,9 @@
              <property name="enabled">
               <bool>false</bool>
              </property>
+             <property name="toolTip">
+              <string>Reverses the order of images. Useful for scanned film rolls where the last image (e.g., 36) is scanned first.</string>
+             </property>
              <property name="text">
               <string>Revert order</string>
              </property>
@@ -493,7 +535,7 @@
               <string/>
              </property>
              <property name="placeholderText">
-              <string>Enter file name</string>
+              <string>Enter new File Names</string>
              </property>
             </widget>
            </item>
@@ -534,6 +576,9 @@
              <property name="enabled">
               <bool>false</bool>
              </property>
+             <property name="toolTip">
+              <string>Insert EXIF without modifying images.</string>
+             </property>
              <property name="text">
               <string>Insert Exif</string>
              </property>
@@ -552,7 +597,7 @@
         <item>
          <widget class="QGroupBox" name="exif_group">
           <property name="title">
-           <string>EXIF EXPERIMENTAL</string>
+           <string>EXIF Settings</string>
           </property>
           <layout class="QHBoxLayout" name="horizontalLayout">
            <item>
@@ -560,15 +605,21 @@
              <property name="enabled">
               <bool>true</bool>
              </property>
+             <property name="toolTip">
+              <string>Add your own EXIF data to the images with the selection from below.</string>
+             </property>
              <property name="text">
-              <string>own exif</string>
+              <string>Custom EXIF</string>
              </property>
             </widget>
            </item>
            <item>
             <widget class="QCheckBox" name="exif_copy_checkBox">
+             <property name="toolTip">
+              <string>Copy EXIF from the input data.</string>
+             </property>
              <property name="text">
-              <string>copy exif</string>
+              <string>Copy EXIF</string>
              </property>
             </widget>
            </item>
@@ -577,8 +628,11 @@
              <property name="enabled">
               <bool>true</bool>
              </property>
+             <property name="toolTip">
+              <string>Open the EXIF Editor to add or remove metadata entries, making them available for selection.</string>
+             </property>
              <property name="text">
-              <string>Edit Exif</string>
+              <string>EXIF editor</string>
              </property>
             </widget>
            </item>
@@ -591,7 +645,7 @@
            <bool>false</bool>
           </property>
           <property name="title">
-           <string>Must</string>
+           <string>Essential EXIF Info</string>
           </property>
           <layout class="QGridLayout" name="gridLayout_7">
            <item row="3" column="0">
@@ -738,13 +792,16 @@
            <bool>false</bool>
           </property>
           <property name="title">
-           <string>GPS</string>
+           <string>GPS Coordinates</string>
           </property>
           <layout class="QHBoxLayout" name="horizontalLayout_4">
            <item>
             <widget class="QCheckBox" name="gps_checkBox">
+             <property name="toolTip">
+              <string>From a Homepage like latlong.net</string>
+             </property>
              <property name="text">
-              <string>add gps</string>
+              <string>Enable GPS Data</string>
              </property>
             </widget>
            </item>
@@ -753,6 +810,9 @@
              <property name="enabled">
               <bool>false</bool>
              </property>
+             <property name="toolTip">
+              <string>Format: xx.xxxxxx (e.g., 57.618520)</string>
+             </property>
              <property name="text">
               <string/>
              </property>
@@ -760,7 +820,7 @@
               <number>8</number>
              </property>
              <property name="placeholderText">
-              <string>xx.xxxxxx latitude</string>
+              <string>Latitude</string>
              </property>
             </widget>
            </item>
@@ -769,6 +829,9 @@
              <property name="enabled">
               <bool>false</bool>
              </property>
+             <property name="toolTip">
+              <string>Format: xx.xxxxxx (e.g., -13.779602)</string>
+             </property>
              <property name="text">
               <string/>
              </property>
@@ -776,7 +839,7 @@
               <number>8</number>
              </property>
              <property name="placeholderText">
-              <string>xx.xxxxxx longitude</string>
+              <string>Longitude</string>
              </property>
             </widget>
            </item>
@@ -789,13 +852,16 @@
            <bool>false</bool>
           </property>
           <property name="title">
-           <string>Optional</string>
+           <string>Original Capture Data and Time</string>
           </property>
           <layout class="QHBoxLayout" name="horizontalLayout_2">
            <item>
             <widget class="QCheckBox" name="add_date_checkBox">
+             <property name="toolTip">
+              <string>Adds &quot;Date and Time (original)&quot; to the image, i.e. when the picture was taking.</string>
+             </property>
              <property name="text">
-              <string>add date</string>
+              <string>Enable Timestamp</string>
              </property>
             </widget>
            </item>
@@ -814,6 +880,23 @@
                <day>1</day>
               </datetime>
              </property>
+             <property name="maximumDate">
+              <date>
+               <year>2038</year>
+               <month>12</month>
+               <day>31</day>
+              </date>
+             </property>
+             <property name="minimumDate">
+              <date>
+               <year>1970</year>
+               <month>1</month>
+               <day>1</day>
+              </date>
+             </property>
+             <property name="calendarPopup">
+              <bool>true</bool>
+             </property>
             </widget>
            </item>
           </layout>
diff --git a/src/OptimaLab35/ui/preview_window.py b/src/OptimaLab35/ui/preview_window.py
index f9f6d3e..5d2a021 100644
--- a/src/OptimaLab35/ui/preview_window.py
+++ b/src/OptimaLab35/ui/preview_window.py
@@ -40,23 +40,24 @@ class Ui_Preview_Window(object):
 
         self.widget = QWidget(self.centralwidget)
         self.widget.setObjectName(u"widget")
-        self.widget.setMinimumSize(QSize(140, 628))
-        self.widget.setMaximumSize(QSize(140, 16777215))
-        self.verticalLayout_3 = QVBoxLayout(self.widget)
-        self.verticalLayout_3.setObjectName(u"verticalLayout_3")
+        self.widget.setMinimumSize(QSize(150, 628))
+        self.widget.setMaximumSize(QSize(150, 16777215))
+        self.verticalLayout_4 = QVBoxLayout(self.widget)
+        self.verticalLayout_4.setObjectName(u"verticalLayout_4")
         self.image_path_lineEdit = QLineEdit(self.widget)
         self.image_path_lineEdit.setObjectName(u"image_path_lineEdit")
 
-        self.verticalLayout_3.addWidget(self.image_path_lineEdit)
+        self.verticalLayout_4.addWidget(self.image_path_lineEdit)
 
         self.load_Button = QPushButton(self.widget)
         self.load_Button.setObjectName(u"load_Button")
 
-        self.verticalLayout_3.addWidget(self.load_Button)
+        self.verticalLayout_4.addWidget(self.load_Button)
 
         self.widget_2 = QWidget(self.widget)
         self.widget_2.setObjectName(u"widget_2")
-        self.widget_2.setMaximumSize(QSize(16777215, 120))
+        self.widget_2.setMinimumSize(QSize(0, 250))
+        self.widget_2.setMaximumSize(QSize(16777215, 250))
         self.verticalLayout = QVBoxLayout(self.widget_2)
         self.verticalLayout.setObjectName(u"verticalLayout")
         self.label = QLabel(self.widget_2)
@@ -84,94 +85,75 @@ class Ui_Preview_Window(object):
 
         self.verticalLayout.addWidget(self.reset_brightness_Button)
 
-
-        self.verticalLayout_3.addWidget(self.widget_2)
-
-        self.widget_3 = QWidget(self.widget)
-        self.widget_3.setObjectName(u"widget_3")
-        self.widget_3.setMaximumSize(QSize(16777215, 120))
-        self.verticalLayout_2 = QVBoxLayout(self.widget_3)
-        self.verticalLayout_2.setObjectName(u"verticalLayout_2")
-        self.label_2 = QLabel(self.widget_3)
-        self.label_2.setObjectName(u"label_2")
-
-        self.verticalLayout_2.addWidget(self.label_2)
-
-        self.contrast_spinBox = QSpinBox(self.widget_3)
-        self.contrast_spinBox.setObjectName(u"contrast_spinBox")
-        self.contrast_spinBox.setMinimum(-100)
-        self.contrast_spinBox.setMaximum(100)
-
-        self.verticalLayout_2.addWidget(self.contrast_spinBox)
-
-        self.contrast_Slider = QSlider(self.widget_3)
+        self.contrast_Slider = QSlider(self.widget_2)
         self.contrast_Slider.setObjectName(u"contrast_Slider")
         self.contrast_Slider.setMinimum(-100)
         self.contrast_Slider.setMaximum(100)
         self.contrast_Slider.setOrientation(Qt.Horizontal)
 
-        self.verticalLayout_2.addWidget(self.contrast_Slider)
+        self.verticalLayout.addWidget(self.contrast_Slider)
 
-        self.reset_contrast_Button = QPushButton(self.widget_3)
+        self.contrast_spinBox = QSpinBox(self.widget_2)
+        self.contrast_spinBox.setObjectName(u"contrast_spinBox")
+        self.contrast_spinBox.setMinimum(-100)
+        self.contrast_spinBox.setMaximum(100)
+
+        self.verticalLayout.addWidget(self.contrast_spinBox)
+
+        self.label_2 = QLabel(self.widget_2)
+        self.label_2.setObjectName(u"label_2")
+
+        self.verticalLayout.addWidget(self.label_2)
+
+        self.reset_contrast_Button = QPushButton(self.widget_2)
         self.reset_contrast_Button.setObjectName(u"reset_contrast_Button")
 
-        self.verticalLayout_2.addWidget(self.reset_contrast_Button)
+        self.verticalLayout.addWidget(self.reset_contrast_Button)
 
-
-        self.verticalLayout_3.addWidget(self.widget_3)
-
-        self.grayscale_checkBox = QCheckBox(self.widget)
+        self.grayscale_checkBox = QCheckBox(self.widget_2)
         self.grayscale_checkBox.setObjectName(u"grayscale_checkBox")
 
-        self.verticalLayout_3.addWidget(self.grayscale_checkBox)
+        self.verticalLayout.addWidget(self.grayscale_checkBox)
 
-        self.update_Button = QPushButton(self.widget)
-        self.update_Button.setObjectName(u"update_Button")
 
-        self.verticalLayout_3.addWidget(self.update_Button)
+        self.verticalLayout_4.addWidget(self.widget_2)
 
         self.widget_5 = QWidget(self.widget)
         self.widget_5.setObjectName(u"widget_5")
-        self.verticalLayout_5 = QVBoxLayout(self.widget_5)
-        self.verticalLayout_5.setObjectName(u"verticalLayout_5")
-        self.label_4 = QLabel(self.widget_5)
-        self.label_4.setObjectName(u"label_4")
-        self.label_4.setWordWrap(True)
+        self.verticalLayout_2 = QVBoxLayout(self.widget_5)
+        self.verticalLayout_2.setObjectName(u"verticalLayout_2")
 
-        self.verticalLayout_5.addWidget(self.label_4)
-
-        self.live_update = QCheckBox(self.widget_5)
-        self.live_update.setObjectName(u"live_update")
-
-        self.verticalLayout_5.addWidget(self.live_update)
-
-
-        self.verticalLayout_3.addWidget(self.widget_5)
+        self.verticalLayout_4.addWidget(self.widget_5)
 
         self.widget_4 = QWidget(self.widget)
         self.widget_4.setObjectName(u"widget_4")
-        self.verticalLayout_4 = QVBoxLayout(self.widget_4)
-        self.verticalLayout_4.setObjectName(u"verticalLayout_4")
-        self.label_3 = QLabel(self.widget_4)
-        self.label_3.setObjectName(u"label_3")
-        self.label_3.setScaledContents(False)
-        self.label_3.setWordWrap(True)
+        self.verticalLayout_3 = QVBoxLayout(self.widget_4)
+        self.verticalLayout_3.setObjectName(u"verticalLayout_3")
+        self.live_update = QCheckBox(self.widget_4)
+        self.live_update.setObjectName(u"live_update")
 
-        self.verticalLayout_4.addWidget(self.label_3)
+        self.verticalLayout_3.addWidget(self.live_update)
+
+        self.update_Button = QPushButton(self.widget_4)
+        self.update_Button.setObjectName(u"update_Button")
+        self.update_Button.setAutoFillBackground(False)
+
+        self.verticalLayout_3.addWidget(self.update_Button)
 
         self.checkBox = QCheckBox(self.widget_4)
         self.checkBox.setObjectName(u"checkBox")
+        self.checkBox.setLayoutDirection(Qt.LeftToRight)
         self.checkBox.setChecked(True)
 
-        self.verticalLayout_4.addWidget(self.checkBox)
+        self.verticalLayout_3.addWidget(self.checkBox)
 
         self.close_Button = QPushButton(self.widget_4)
         self.close_Button.setObjectName(u"close_Button")
 
-        self.verticalLayout_4.addWidget(self.close_Button)
+        self.verticalLayout_3.addWidget(self.close_Button)
 
 
-        self.verticalLayout_3.addWidget(self.widget_4)
+        self.verticalLayout_4.addWidget(self.widget_4)
 
 
         self.horizontalLayout.addWidget(self.widget)
@@ -194,18 +176,40 @@ class Ui_Preview_Window(object):
     def retranslateUi(self, Preview_Window):
         Preview_Window.setWindowTitle(QCoreApplication.translate("Preview_Window", u"OptimaLab35 - Preview", None))
         self.QLabel.setText("")
-        self.image_path_lineEdit.setPlaceholderText(QCoreApplication.translate("Preview_Window", u"Path to image", None))
+#if QT_CONFIG(tooltip)
+        self.image_path_lineEdit.setToolTip(QCoreApplication.translate("Preview_Window", u"Enter the path to the image file or use the 'Select Image' button to browse.", None))
+#endif // QT_CONFIG(tooltip)
+        self.image_path_lineEdit.setPlaceholderText(QCoreApplication.translate("Preview_Window", u"Image Path", None))
         self.load_Button.setText(QCoreApplication.translate("Preview_Window", u"Select image", None))
         self.label.setText(QCoreApplication.translate("Preview_Window", u"Brightness", None))
+#if QT_CONFIG(tooltip)
+        self.reset_brightness_Button.setToolTip(QCoreApplication.translate("Preview_Window", u"Click to reset the brightness to its default value (0).", None))
+#endif // QT_CONFIG(tooltip)
         self.reset_brightness_Button.setText(QCoreApplication.translate("Preview_Window", u"Reset", None))
         self.label_2.setText(QCoreApplication.translate("Preview_Window", u"Contrast", None))
+#if QT_CONFIG(tooltip)
+        self.reset_contrast_Button.setToolTip(QCoreApplication.translate("Preview_Window", u"Click to reset the contrast to its default value (0).", None))
+#endif // QT_CONFIG(tooltip)
         self.reset_contrast_Button.setText(QCoreApplication.translate("Preview_Window", u"Reset", None))
-        self.grayscale_checkBox.setText(QCoreApplication.translate("Preview_Window", u"Grayscale", None))
-        self.update_Button.setText(QCoreApplication.translate("Preview_Window", u"Update preview", None))
-        self.label_4.setText(QCoreApplication.translate("Preview_Window", u"Update preview live might have large impact on system, especilly if image is large.", None))
+#if QT_CONFIG(tooltip)
+        self.grayscale_checkBox.setToolTip(QCoreApplication.translate("Preview_Window", u"Convert the image to grayscale (black and white).", None))
+#endif // QT_CONFIG(tooltip)
+        self.grayscale_checkBox.setText(QCoreApplication.translate("Preview_Window", u"Black n White", None))
+#if QT_CONFIG(tooltip)
+        self.live_update.setToolTip(QCoreApplication.translate("Preview_Window", u"Enable live updates to immediately preview changes as you adjust brightness, contrast, or grayscale. Be aware that this might impact performance, especially with large images.", None))
+#endif // QT_CONFIG(tooltip)
         self.live_update.setText(QCoreApplication.translate("Preview_Window", u"Live update", None))
-        self.label_3.setText(QCoreApplication.translate("Preview_Window", u"Copy values to main window when closing", None))
+#if QT_CONFIG(tooltip)
+        self.update_Button.setToolTip(QCoreApplication.translate("Preview_Window", u"Apply Changes to Preview", None))
+#endif // QT_CONFIG(tooltip)
+        self.update_Button.setText(QCoreApplication.translate("Preview_Window", u"Update Preview", None))
+#if QT_CONFIG(tooltip)
+        self.checkBox.setToolTip(QCoreApplication.translate("Preview_Window", u"Enable to copy adjustments to the main window upon closing", None))
+#endif // QT_CONFIG(tooltip)
         self.checkBox.setText(QCoreApplication.translate("Preview_Window", u"Copy Values", None))
+#if QT_CONFIG(tooltip)
+        self.close_Button.setToolTip("")
+#endif // QT_CONFIG(tooltip)
         self.close_Button.setText(QCoreApplication.translate("Preview_Window", u"Close", None))
     # retranslateUi
 
diff --git a/src/OptimaLab35/ui/preview_window.ui b/src/OptimaLab35/ui/preview_window.ui
index 6bd17b7..33ad094 100644
--- a/src/OptimaLab35/ui/preview_window.ui
+++ b/src/OptimaLab35/ui/preview_window.ui
@@ -44,21 +44,24 @@
      <widget class="QWidget" name="widget" native="true">
       <property name="minimumSize">
        <size>
-        <width>140</width>
+        <width>150</width>
         <height>628</height>
        </size>
       </property>
       <property name="maximumSize">
        <size>
-        <width>140</width>
+        <width>150</width>
         <height>16777215</height>
        </size>
       </property>
-      <layout class="QVBoxLayout" name="verticalLayout_3">
+      <layout class="QVBoxLayout" name="verticalLayout_4">
        <item>
         <widget class="QLineEdit" name="image_path_lineEdit">
+         <property name="toolTip">
+          <string>Enter the path to the image file or use the 'Select Image' button to browse.</string>
+         </property>
          <property name="placeholderText">
-          <string>Path to image</string>
+          <string>Image Path</string>
          </property>
         </widget>
        </item>
@@ -71,10 +74,16 @@
        </item>
        <item>
         <widget class="QWidget" name="widget_2" native="true">
+         <property name="minimumSize">
+          <size>
+           <width>0</width>
+           <height>250</height>
+          </size>
+         </property>
          <property name="maximumSize">
           <size>
            <width>16777215</width>
-           <height>120</height>
+           <height>250</height>
           </size>
          </property>
          <layout class="QVBoxLayout" name="verticalLayout">
@@ -110,40 +119,14 @@
           </item>
           <item>
            <widget class="QPushButton" name="reset_brightness_Button">
+            <property name="toolTip">
+             <string>Click to reset the brightness to its default value (0).</string>
+            </property>
             <property name="text">
              <string>Reset</string>
             </property>
            </widget>
           </item>
-         </layout>
-        </widget>
-       </item>
-       <item>
-        <widget class="QWidget" name="widget_3" native="true">
-         <property name="maximumSize">
-          <size>
-           <width>16777215</width>
-           <height>120</height>
-          </size>
-         </property>
-         <layout class="QVBoxLayout" name="verticalLayout_2">
-          <item>
-           <widget class="QLabel" name="label_2">
-            <property name="text">
-             <string>Contrast</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QSpinBox" name="contrast_spinBox">
-            <property name="minimum">
-             <number>-100</number>
-            </property>
-            <property name="maximum">
-             <number>100</number>
-            </property>
-           </widget>
-          </item>
           <item>
            <widget class="QSlider" name="contrast_Slider">
             <property name="minimum">
@@ -157,71 +140,85 @@
             </property>
            </widget>
           </item>
+          <item>
+           <widget class="QSpinBox" name="contrast_spinBox">
+            <property name="minimum">
+             <number>-100</number>
+            </property>
+            <property name="maximum">
+             <number>100</number>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QLabel" name="label_2">
+            <property name="text">
+             <string>Contrast</string>
+            </property>
+           </widget>
+          </item>
           <item>
            <widget class="QPushButton" name="reset_contrast_Button">
+            <property name="toolTip">
+             <string>Click to reset the contrast to its default value (0).</string>
+            </property>
             <property name="text">
              <string>Reset</string>
             </property>
            </widget>
           </item>
+          <item>
+           <widget class="QCheckBox" name="grayscale_checkBox">
+            <property name="toolTip">
+             <string>Convert the image to grayscale (black and white).</string>
+            </property>
+            <property name="text">
+             <string>Black n White</string>
+            </property>
+           </widget>
+          </item>
          </layout>
         </widget>
        </item>
-       <item>
-        <widget class="QCheckBox" name="grayscale_checkBox">
-         <property name="text">
-          <string>Grayscale</string>
-         </property>
-        </widget>
-       </item>
-       <item>
-        <widget class="QPushButton" name="update_Button">
-         <property name="text">
-          <string>Update preview</string>
-         </property>
-        </widget>
-       </item>
        <item>
         <widget class="QWidget" name="widget_5" native="true">
-         <layout class="QVBoxLayout" name="verticalLayout_5">
-          <item>
-           <widget class="QLabel" name="label_4">
-            <property name="text">
-             <string>Update preview live might have large impact on system, especilly if image is large.</string>
-            </property>
-            <property name="wordWrap">
-             <bool>true</bool>
-            </property>
-           </widget>
-          </item>
+         <layout class="QVBoxLayout" name="verticalLayout_2"/>
+        </widget>
+       </item>
+       <item>
+        <widget class="QWidget" name="widget_4" native="true">
+         <layout class="QVBoxLayout" name="verticalLayout_3">
           <item>
            <widget class="QCheckBox" name="live_update">
+            <property name="toolTip">
+             <string>Enable live updates to immediately preview changes as you adjust brightness, contrast, or grayscale. Be aware that this might impact performance, especially with large images.</string>
+            </property>
             <property name="text">
              <string>Live update</string>
             </property>
            </widget>
           </item>
-         </layout>
-        </widget>
-       </item>
-       <item>
-        <widget class="QWidget" name="widget_4" native="true">
-         <layout class="QVBoxLayout" name="verticalLayout_4">
           <item>
-           <widget class="QLabel" name="label_3">
-            <property name="text">
-             <string>Copy values to main window when closing</string>
+           <widget class="QPushButton" name="update_Button">
+            <property name="toolTip">
+             <string>Apply Changes to Preview</string>
             </property>
-            <property name="scaledContents">
+            <property name="autoFillBackground">
              <bool>false</bool>
             </property>
-            <property name="wordWrap">
-             <bool>true</bool>
+            <property name="text">
+             <string>Update Preview</string>
             </property>
            </widget>
           </item>
           <item>
            <widget class="QCheckBox" name="checkBox">
+            <property name="toolTip">
+             <string>Enable to copy adjustments to the main window upon closing</string>
+            </property>
+            <property name="layoutDirection">
+             <enum>Qt::LeftToRight</enum>
+            </property>
             <property name="text">
              <string>Copy Values</string>
             </property>
@@ -232,6 +229,9 @@
           </item>
           <item>
            <widget class="QPushButton" name="close_Button">
+            <property name="toolTip">
+             <string/>
+            </property>
             <property name="text">
              <string>Close</string>
             </property>