diff --git a/src/components/ContactsList.vue b/src/components/ContactsList.vue
index 03d44efee..237d3def3 100644
--- a/src/components/ContactsList.vue
+++ b/src/components/ContactsList.vue
@@ -22,13 +22,35 @@
 
 <template>
 	<AppContentList>
-		<div class="contacts-list__header" />
+		<div class="contacts-list__header">
+			<Actions
+				class="merge-button"
+				menu-align="right">
+				<slot>
+					<ActionButton icon="icon-qrcode" @click="autoMergeContact">
+						{{ t('contacts', 'Auto Merge') }}
+					</ActionButton>
+				</slot>
+				<slot v-if="selected.length >= 2">
+					<ActionButton icon="icon-clone" @click="mergeContact">
+						{{ t('contacts', 'Merge') }}
+					</ActionButton>
+				</slot>
+				<slot v-if="selected.length >= 1">
+					<ActionButton icon="icon-delete" @click="deleteMultipleContact">
+						{{ t('contacts', 'Delete') }}
+					</ActionButton>
+				</slot>
+			</Actions>
+		</div>
 		<VirtualList ref="scroller"
 			class="contacts-list"
 			data-key="key"
 			:data-sources="filteredList"
 			:data-component="ContactsListItem"
-			:estimate-size="68" />
+			:estimate-size="68"
+			:extra-props={selected}
+			@update-check-selected="selectionChanged" />
 	</AppContentList>
 </template>
 
@@ -36,6 +58,8 @@
 import AppContentList from '@nextcloud/vue/dist/Components/AppContentList'
 import ContactsListItem from './ContactsList/ContactsListItem'
 import VirtualList from 'vue-virtual-scroll-list'
+import Actions from '@nextcloud/vue/dist/Components/Actions'
+import ActionButton from '@nextcloud/vue/dist/Components/ActionButton'
 
 export default {
 	name: 'ContactsList',
@@ -43,6 +67,8 @@ export default {
 	components: {
 		AppContentList,
 		VirtualList,
+		Actions,
+		ActionButton,
 	},
 
 	props: {
@@ -63,6 +89,7 @@ export default {
 	data() {
 		return {
 			ContactsListItem,
+			selected: [],
 		}
 	},
 
@@ -148,6 +175,147 @@ export default {
 			}
 			return true
 		},
+		selectionChanged(newValue) {
+			if (this.selected.includes(newValue)) {
+				this.selected.splice(this.selected.indexOf(newValue), 1)
+			} else {
+				this.selected.push(newValue)
+			}
+		},
+		deleteMultipleContact() {
+			const temp = []
+			this.selected.forEach(element => {
+				if (this.contacts[element]) {
+					// delete contact
+					this.$store.dispatch('deleteContact', { contact: this.contacts[element] })
+					temp.push(this.selected.indexOf(element), 1)
+				}
+			})
+			// delete the uid in selected of the contact deleted
+			temp.forEach(el => {
+				this.selected.splice(temp, 1)
+			})
+		},
+		cleanContactValue(contact, value) {
+			contact.jCal[1].forEach(element => {
+				if (element[0] === value[0] && element[3] === '' && !Array.isArray(element[3])) {
+					contact.jCal[1].splice(contact.jCal[1].indexOf(element), 1)
+				} else if (element[0] === value[0] && Array.isArray(element[3])) {
+					let isempty = true
+					element[3].forEach(arr => {
+						if (arr !== '') {
+							isempty = false
+						}
+					})
+					if (isempty === true) {
+						contact.jCal[1].splice(contact.jCal[1].indexOf(element), 1)
+					}
+				}
+			})
+		},
+		addValue(firstContact, jcalvalue) {
+			jcalvalue.filter(element => {
+				// exclude the unique field we don't want to add
+				return !['uid', 'version', 'fn', 'prodid', 'gender', 'rev'].includes(element[0])
+			}).forEach(value => {
+				if (value[0] === 'categories') {
+					value.slice(3).forEach(element => {
+						const data = firstContact.groups
+						if (!firstContact.groups.includes(element)) {
+							data.push(element)
+							this.$store.dispatch('addContactToGroup', {
+								contact: firstContact,
+								groupName: element,
+							})
+							firstContact.groups = data
+						}
+					})
+				} else if (Array.isArray(value[3])) {
+					let isempty = true
+					value[3].forEach(arr => {
+						if (arr !== '') {
+							isempty = false
+						}
+					})
+					if (isempty === false) {
+						// delete blank field of the same type and push the new field
+						this.cleanContactValue(firstContact, value)
+						firstContact.jCal[1].push(value)
+					}
+				} else if (value[3] !== '') {
+					let include = false
+					firstContact.jCal[1].forEach(element => {
+						if (element[0] === value[0] && element[3] === value[3]) {
+							include = true
+						}
+					})
+					if (!include) {
+						// delete blank field of the same type and push the new field
+						this.cleanContactValue(firstContact, value)
+						firstContact.jCal[1].push(value)
+					}
+				}
+			})
+			return firstContact
+		},
+		mergeContact() {
+			const firstContact = this.contacts[this.selected[0]]
+			this.selected.slice(1).forEach((element) => {
+				if (this.contacts[element]) {
+					const contactjcal = this.contacts[element].jCal[1]
+					this.addValue(firstContact, contactjcal)
+					// delete the contact merged and the uid in the selected
+					this.$store.dispatch('deleteContact', { contact: this.contacts[element] })
+				}
+			})
+			this.$store.dispatch('updateContact', firstContact)
+			this.selected = []
+		},
+		getKey(contact, index) {
+			if (!this.selected.includes(contact[index].key)) {
+				this.selected.push(contact[index].key)
+			}
+		},
+		verifyContact(contactOne, contactTwo) {
+			let isOk = false
+			contactOne.forEach(element => {
+				contactTwo.forEach(el => {
+					if (el[3] === element[3] && el[3] !== '' && element[3] !== '') {
+						isOk = true
+					}
+				})
+			})
+			return isOk
+		},
+		deleteTempContact(contact) {
+			contact.forEach(element => {
+				this.selected.forEach(el => {
+					if (element.key === el) {
+						contact.splice(contact.indexOf(element), 1)
+					}
+				})
+			})
+			return contact
+		},
+		autoMergeContact() {
+			const contact = this.list.filter(item => this.matchSearch(this.contacts[item.key]))
+			for (let i = 0; i < contact.length; i++) {
+				const val = contact.map(item => this.contacts[item.key].jCal[1].filter(el => { return !['uid', 'version', 'prodid', 'rev', 'adr'].includes(el[0]) }))
+				this.getKey(contact, i)
+				for (let n = 0; n < val.length; n++) {
+					if (n !== i) {
+						if (this.verifyContact(val[i], val[n])) {
+							this.getKey(contact, n)
+						}
+					}
+				}
+				this.deleteTempContact(contact)
+				if (this.selected.length > 1) {
+					this.mergeContact()
+				}
+				this.selected = []
+			}
+		},
 	},
 }
 </script>
@@ -163,4 +331,8 @@ export default {
 .contacts-list__header {
 	min-height: 48px;
 }
+
+.merge-button {
+	float: right;
+}
 </style>
diff --git a/src/components/ContactsList/ContactsListItem.vue b/src/components/ContactsList/ContactsListItem.vue
index 0a17c83e3..20c9f5ca5 100644
--- a/src/components/ContactsList/ContactsListItem.vue
+++ b/src/components/ContactsList/ContactsListItem.vue
@@ -1,28 +1,42 @@
 <template>
-	<ListItemIcon
-		:id="id"
-		:key="source.key"
-		:avatar-size="44"
+	<div class="contacts-list__item"
 		:class="{'contacts-list__item--active': selectedContact === source.key}"
-		:display-name="source.displayName"
-		:is-no-user="true"
-		:subtitle="source.email"
-		:title="source.displayName"
-		:url="avatarUrl"
-		class="contacts-list__item"
-		tabindex="0"
-		@click.prevent.stop="selectContact"
-		@keypress.enter.prevent.stop="selectContact" />
+		@mouseover="hover = true"
+		@mouseleave="hover = false">
+		<ActionCheckbox v-if="hover || ischecked"
+			:checked="ischecked"
+			@check="isSelected"
+			@uncheck="isUnselected" />
+		<Avatar v-else-if="!hover && !ischecked"
+			:size="44"
+			:user="source.displayName"
+			:display-name="source.displayName"
+			:is-no-user="true" />
+		<ListItem
+			style="height=100%"
+			:id="id"
+			:key="source.key"
+			:display-name="source.displayName"
+			:subtitle="source.email"
+			:title="source.displayName"
+			@click.prevent.stop="selectContact"
+			@keypress.enter.prevent.stop="selectContact">
+		</ListItem>
+	</div>
 </template>
 
 <script>
-import ListItemIcon from '@nextcloud/vue/dist/Components/ListItemIcon'
+import ActionCheckbox from '@nextcloud/vue/dist/Components/ActionCheckbox'
+import Avatar from '@nextcloud/vue/dist/Components/Avatar'
+import ListItem from '@nextcloud/vue/dist/Components/ListItem'
 
 export default {
 	name: 'ContactsListItem',
 
 	components: {
-		ListItemIcon,
+		ActionCheckbox,
+		ListItem,
+		Avatar,
 	},
 
 	props: {
@@ -34,10 +48,16 @@ export default {
 			type: Object,
 			required: true,
 		},
+		selected: {
+			type: Array,
+			required: false
+		}
 	},
 	data() {
 		return {
 			avatarUrl: undefined,
+			hover: false,
+			ischecked: false,
 		}
 	},
 	computed: {
@@ -57,6 +77,10 @@ export default {
 		async source() {
 			await this.loadAvatarUrl()
 		},
+		selected() {
+			this.ischecked = false
+			this.loadSelectedContact()
+		}
 	},
 	async mounted() {
 		await this.loadAvatarUrl()
@@ -76,6 +100,22 @@ export default {
 				this.avatarUrl = `${this.source.url}?photo`
 			}
 		},
+		loadSelectedContact() {
+			if (this.selected.includes(this.source.key)) {
+				this.ischecked = true
+			}
+		},
+		isSelected() {
+			this.ischecked = true
+			// update the selected
+			this.$parent.$parent.$emit('update-check-selected', this.source.key)
+		},
+
+		isUnselected() {
+			this.ischecked = false
+			// update the selected
+			this.$parent.$parent.$emit('update-check-selected', this.source.key)
+		},
 
 		/**
 		 * Select this contact within the list
@@ -90,6 +130,8 @@ export default {
 <style lang="scss" scoped>
 .contacts-list__item {
 	padding: 8px;
+	display: flex;
+	list-style-type: none;
 
 	&--active,
 	&:focus,