diff --git a/README.md b/README.md
index f08cfe466..372b93bc4 100644
--- a/README.md
+++ b/README.md
@@ -229,6 +229,9 @@ E.g., if it was used in a menu and the menu is red, the circle would be red.
     ### **WORK IN PROGRESS**
 -->
 ## Changelog
+### **WORK IN PROGRESS**
+* (foxriver76) implemented select/unselect all buttons
+
 ### 2.5.0 (2023-11-11)
 * (foxriver76) allow to use real html in HTML prepend and HTML append (basic string widget)
 * (foxriver76) fixed problem while editing groups
diff --git a/src/src/Attributes/Widget/index.jsx b/src/src/Attributes/Widget/index.jsx
index 465991e16..3680fdd60 100644
--- a/src/src/Attributes/Widget/index.jsx
+++ b/src/src/Attributes/Widget/index.jsx
@@ -663,8 +663,9 @@ class Widget extends Component {
             });
         } else {
             fields = selectedWidgetsFields[0];
-            widgets[this.props.selectedWidgets[0]].data.bindings.forEach(attr => !bindFields.includes(`data_${attr}`) && bindFields.push(`data_${attr}`));
-            widgets[this.props.selectedWidgets[0]].style.bindings.forEach(attr => !bindFields.includes(`style_${attr}`) && bindFields.push(`style_${attr}`));
+
+            widgets[this.props.selectedWidgets[0]].data.bindings?.forEach(attr => !bindFields.includes(`data_${attr}`) && bindFields.push(`data_${attr}`));
+            widgets[this.props.selectedWidgets[0]].style.bindings?.forEach(attr => !bindFields.includes(`style_${attr}`) && bindFields.push(`style_${attr}`));
         }
 
         newState.bindFields = bindFields.sort();
diff --git a/src/src/Toolbar/MultiSelect.js b/src/src/Toolbar/MultiSelect.js
index 8c90a2aa7..80b7095e4 100644
--- a/src/src/Toolbar/MultiSelect.js
+++ b/src/src/Toolbar/MultiSelect.js
@@ -1,13 +1,13 @@
 import React, { Component } from 'react';
 import { withStyles } from '@mui/styles';
 import {
-    Checkbox, FormControl, MenuItem, Menu, List, ListItemButton, ListItemText, ListItemIcon, InputLabel,
+    Checkbox, FormControl, MenuItem, Menu, List, ListItemButton, ListItemText, ListItemIcon, InputLabel, Button,
 } from '@mui/material';
 
 import IconArrowDown from '@mui/icons-material/ArrowDropDown';
 import IconArrowUp from '@mui/icons-material/ArrowDropUp';
 
-import { Utils } from '@iobroker/adapter-react-v5';
+import { Utils, I18n } from '@iobroker/adapter-react-v5';
 
 const styles = theme => ({
     navMain: {
@@ -145,6 +145,10 @@ class MultiSelect extends Component {
                 anchorEl={this.state.elAnchor}
                 onClose={() => this.setState({ elAnchor: null })}
             >
+                <div>
+                    <Button onClick={() => this.props.setSelectedWidgets(props.options.map(item => item.value))}>{I18n.t('Select all')}</Button>
+                    <Button onClick={() => this.props.setSelectedWidgets([])}>{I18n.t('Unselect all')}</Button>
+                </div>
                 {props.options.map(item => <MenuItem
                     value={item.value}
                     key={item.value}
diff --git a/src/src/Toolbar/ToolbarItems.jsx b/src/src/Toolbar/ToolbarItems.jsx
index 4ea8b5159..92c9a7e3e 100644
--- a/src/src/Toolbar/ToolbarItems.jsx
+++ b/src/src/Toolbar/ToolbarItems.jsx
@@ -101,6 +101,7 @@ const getItem = (item, key, props, full) => {
             width={item.width}
             value={item.value ? item.value : value}
             onChange={_value => item.onChange(_value)}
+            setSelectedWidgets={props.setSelectedWidgets}
             options={item.items}
             themeType={props.themeType}
         />;
diff --git a/src/src/Toolbar/index.jsx b/src/src/Toolbar/index.jsx
index 61ff31585..1f7c3be88 100644
--- a/src/src/Toolbar/index.jsx
+++ b/src/src/Toolbar/index.jsx
@@ -279,6 +279,7 @@ Toolbar.propTypes = {
     instance: PropTypes.number,
     projectName: PropTypes.string,
     version: PropTypes.string,
+    setSelectedWidgets: PropTypes.func.isRequired,
 };
 
 export default withStyles(styles)(Toolbar);