diff --git a/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar-media-buttons/toolbar-media-buttons.component.ts b/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar-media-buttons/toolbar-media-buttons.component.ts
index 1423e787..1d169b86 100644
--- a/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar-media-buttons/toolbar-media-buttons.component.ts
+++ b/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar-media-buttons/toolbar-media-buttons.component.ts
@@ -96,7 +96,7 @@ export class ToolbarMediaButtonsComponent {
 	// More options button - always visible when not minimal
 	readonly showMoreOptionsButtonDirect = computed(() => this.showMoreOptionsButton && !this.isMinimal);
 
-	// Leave button - always visible
+	// Leave button
 	readonly showLeaveButtonDirect = computed(() => this.showLeaveButton);
 
 	// Check if there are active features that should show a badge on More Options
diff --git a/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar-panel-buttons/toolbar-panel-buttons.component.html b/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar-panel-buttons/toolbar-panel-buttons.component.html
index c049e743..510a8548 100644
--- a/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar-panel-buttons/toolbar-panel-buttons.component.html
+++ b/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar-panel-buttons/toolbar-panel-buttons.component.html
@@ -1,55 +1,128 @@
-<!-- Default activities button -->
-<button
-	mat-icon-button
-	id="activities-panel-btn"
-	class="panel-button"
-	*ngIf="!isMinimal && showActivitiesPanelButton"
-	matTooltip="{{ 'TOOLBAR.ACTIVITIES' | translate }}"
-	(click)="onToggleActivities()"
-	[disabled]="isConnectionLost"
-	[class.active-btn]="isActivitiesOpened"
->
-	<mat-icon>category</mat-icon>
-</button>
+<!-- Responsive container: show individual buttons on larger screens, collapsed menu on smaller screens -->
+<ng-container *ngIf="shouldShowCollapsed; else uncollapsedButtons">
+	<div class="collapsed-menu-container" *ngIf="visibleButtonsCount > 0">
+		<button
+			mat-icon-button
+			class="fab-menu-trigger"
+			[matMenuTriggerFor]="panelsMenu"
+			[disabled]="isConnectionLost"
+			[class.active-btn]="isAnyPanelOpened"
+			matTooltip="{{ 'TOOLBAR.PANELS' | translate }}"
+			#menuTrigger="matMenuTrigger"
+		>
+			<mat-icon class="material-symbols-outlined" [class.rotated]="menuTrigger.menuOpen">keyboard_arrow_up</mat-icon>
+		</button>
 
-<!-- Default participants button -->
-<button
-	mat-icon-button
-	class="panel-button"
-	id="participants-panel-btn"
-	*ngIf="!isMinimal && showParticipantsPanelButton"
-	matTooltip="{{ 'TOOLBAR.PARTICIPANTS' | translate }}"
-	(click)="onToggleParticipants()"
-	[disabled]="isConnectionLost"
-	[class.active-btn]="isParticipantsOpened"
->
-	<mat-icon>people</mat-icon>
-</button>
+		<!-- Vertical panels menu -->
+		<mat-menu #panelsMenu="matMenu" class="panels-menu">
+			<!-- Activities menu item -->
+			<button
+				mat-menu-item
+				class="panel-menu-item"
+				*ngIf="!isMinimal && showActivitiesPanelButton"
+				(click)="onToggleActivities()"
+				[disabled]="isConnectionLost"
+				[class.active-menu-item]="isActivitiesOpened"
+			>
+				<mat-icon>category</mat-icon>
+			</button>
 
-<!-- Default chat button -->
-<button
-	mat-icon-button
-	class="panel-button"
-	id="chat-panel-btn"
-	*ngIf="!isMinimal && showChatPanelButton"
-	matTooltip="{{ 'TOOLBAR.CHAT' | translate }}"
-	(click)="onToggleChat()"
-	[disabled]="isConnectionLost"
-	[class.active-btn]="isChatOpened"
->
-	<mat-icon
-		matBadge="{{ unreadMessages }}"
-		[matBadgeHidden]="unreadMessages === 0"
-		matBadgePosition="above before"
-		matBadgeSize="small"
-		matBadgeColor="accent"
-		aria-hidden="false"
-	>
-		chat
-	</mat-icon>
-</button>
+			<!-- Participants menu item -->
+			<button
+				mat-menu-item
+				class="panel-menu-item"
+				*ngIf="!isMinimal && showParticipantsPanelButton"
+				(click)="onToggleParticipants()"
+				[disabled]="isConnectionLost"
+				[class.active-menu-item]="isParticipantsOpened"
+			>
+				<mat-icon>people</mat-icon>
+			</button>
 
-<!-- External additional panel buttons  -->
-<ng-container *ngIf="toolbarAdditionalPanelButtonsTemplate">
-	<ng-container *ngTemplateOutlet="toolbarAdditionalPanelButtonsTemplate"></ng-container>
+			<!-- Chat menu item -->
+			<button
+				mat-menu-item
+				class="panel-menu-item"
+				*ngIf="!isMinimal && showChatPanelButton"
+				(click)="onToggleChat()"
+				[disabled]="isConnectionLost"
+				[class.active-menu-item]="isChatOpened"
+			>
+				<mat-icon
+					matBadge="{{ unreadMessages }}"
+					[matBadgeHidden]="unreadMessages === 0"
+					matBadgePosition="above before"
+					matBadgeSize="small"
+					matBadgeColor="accent"
+					aria-hidden="false"
+				>
+					chat
+				</mat-icon>
+			</button>
+
+			<!-- External additional panel buttons in menu -->
+			<ng-container *ngIf="toolbarAdditionalPanelButtonsTemplate">
+				<ng-container *ngTemplateOutlet="toolbarAdditionalPanelButtonsTemplate"></ng-container>
+			</ng-container>
+		</mat-menu>
+	</div>
 </ng-container>
+
+<!-- Collapsed menu template for small screens -->
+<ng-template #uncollapsedButtons>
+	<!-- Default activities button -->
+	<button
+		mat-icon-button
+		id="activities-panel-btn"
+		class="panel-button"
+		*ngIf="!isMinimal && showActivitiesPanelButton"
+		matTooltip="{{ 'TOOLBAR.ACTIVITIES' | translate }}"
+		(click)="onToggleActivities()"
+		[disabled]="isConnectionLost"
+		[class.active-btn]="isActivitiesOpened"
+	>
+		<mat-icon>category</mat-icon>
+	</button>
+
+	<!-- Default participants button -->
+	<button
+		mat-icon-button
+		class="panel-button"
+		id="participants-panel-btn"
+		*ngIf="!isMinimal && showParticipantsPanelButton"
+		matTooltip="{{ 'TOOLBAR.PARTICIPANTS' | translate }}"
+		(click)="onToggleParticipants()"
+		[disabled]="isConnectionLost"
+		[class.active-btn]="isParticipantsOpened"
+	>
+		<mat-icon>people</mat-icon>
+	</button>
+
+	<!-- Default chat button -->
+	<button
+		mat-icon-button
+		class="panel-button"
+		id="chat-panel-btn"
+		*ngIf="!isMinimal && showChatPanelButton"
+		matTooltip="{{ 'TOOLBAR.CHAT' | translate }}"
+		(click)="onToggleChat()"
+		[disabled]="isConnectionLost"
+		[class.active-btn]="isChatOpened"
+	>
+		<mat-icon
+			matBadge="{{ unreadMessages }}"
+			[matBadgeHidden]="unreadMessages === 0"
+			matBadgePosition="above before"
+			matBadgeSize="small"
+			matBadgeColor="accent"
+			aria-hidden="false"
+		>
+			chat
+		</mat-icon>
+	</button>
+
+	<!-- External additional panel buttons  -->
+	<ng-container *ngIf="toolbarAdditionalPanelButtonsTemplate">
+		<ng-container *ngTemplateOutlet="toolbarAdditionalPanelButtonsTemplate"></ng-container>
+	</ng-container>
+</ng-template>
diff --git a/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar-panel-buttons/toolbar-panel-buttons.component.scss b/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar-panel-buttons/toolbar-panel-buttons.component.scss
index d7e2bf77..47b980a9 100644
--- a/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar-panel-buttons/toolbar-panel-buttons.component.scss
+++ b/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar-panel-buttons/toolbar-panel-buttons.component.scss
@@ -8,4 +8,136 @@
 	::ng-deep .active-btn {
 		background-color: var(--ov-accent-action-color) !important;
 	}
+
+	// Collapsed menu styles for small screens
+	.collapsed-menu-container {
+		position: relative;
+		display: flex;
+		align-items: center;
+	}
+
+	.fab-menu-trigger:has(.rotated) {
+		transform: rotate(180deg);
+	}
+	// FAB-style trigger button
+	.fab-menu-trigger {
+		color: var(--ov-secondary-action-color);
+		background-color: var(--ov-primary-action-color);
+		transition: all 0.2s ease-in-out;
+		height: 36px;
+		width: 36px;
+		padding: 8px 0;
+		transition: transform 0.3s ease;
+
+		mat-icon {
+			font-size: 20px;
+		}
+	}
+}
+
+// Global styles for the collapsible panels menu
+
+.panels-menu,
+::ng-deep .panels-menu,
+.panels-menu .mat-mdc-menu-panel,
+.panels-menu .mat-mdc-menu-content,
+::ng-deep .panels-menu .mat-mdc-menu-panel,
+::ng-deep .panels-menu .mat-mdc-menu-content {
+	background-color: transparent !important;
+	box-shadow: none !important;
+	border: none !important;
+	min-width: 55px !important;
+	width: 55px !important;
+	max-width: 55px !important;
+	padding: 4px 0 !important;
+	justify-content: flex-end !important;
+	display: grid !important;
+}
+
+.panels-menu,
+::ng-deep .panels-menu {
+	.panel-menu-item {
+		background-color: var(--ov-primary-action-color) !important;
+		color: var(--ov-secondary-action-color) !important;
+		border-radius: var(--ov-toolbar-buttons-radius) !important;
+		min-height: 36px !important;
+		padding: 8px !important;
+		margin: 5px 0;
+		height: 36px !important;
+		width: 36px !important;
+		display: flex !important;
+		box-shadow: 0 2px 4px color-mix(in srgb, var(--ov-secondary-action-color) 100%, transparent);
+		transition:
+			box-shadow 0.2s ease,
+			transform 0.2s ease;
+
+		&.active-menu-item {
+			background-color: var(--ov-accent-action-color) !important;
+			color: var(--ov-text-primary-color) !important;
+		}
+
+		&:disabled {
+			opacity: 0.5;
+			cursor: not-allowed;
+		}
+
+		mat-icon {
+			font-size: 20px !important;
+			width: 20px !important;
+			height: 20px !important;
+			margin: 0 !important;
+		}
+
+		// Chat badge adjustments for menu
+		.mat-badge {
+			mat-icon {
+				font-size: 18px !important;
+				width: 18px !important;
+				height: 18px !important;
+			}
+		}
+
+		.mat-badge-content {
+			background-color: var(--ov-warn-color) !important;
+			color: var(--ov-text-primary-color) !important;
+			font-size: 10px !important;
+			min-width: 14px !important;
+			height: 14px !important;
+			line-height: 14px !important;
+			border-radius: 7px !important;
+			top: -2px !important;
+			right: -2px !important;
+		}
+
+		// Remove default mat-menu-item styles
+		.mat-mdc-menu-item-text {
+			display: none !important;
+		}
+
+		// Remove focus outline
+		&:focus {
+			outline: none !important;
+		}
+
+		// Remove ripple effect
+		.mat-mdc-menu-ripple {
+			display: none !important;
+		}
+	}
+
+	// Custom scrollbar for menu if needed
+	.mat-mdc-menu-content {
+		&::-webkit-scrollbar {
+			width: 4px;
+		}
+
+		&::-webkit-scrollbar-track {
+			background: transparent;
+		}
+
+		&::-webkit-scrollbar-thumb {
+			background: rgba(var(--ov-secondary-action-color-rgb), 0.3);
+			border-radius: 2px;
+		}
+	}
 }
diff --git a/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar-panel-buttons/toolbar-panel-buttons.component.ts b/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar-panel-buttons/toolbar-panel-buttons.component.ts
index 54ee4c97..c9a2c951 100644
--- a/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar-panel-buttons/toolbar-panel-buttons.component.ts
+++ b/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar-panel-buttons/toolbar-panel-buttons.component.ts
@@ -1,4 +1,5 @@
 import { Component, EventEmitter, Input, Output, TemplateRef } from '@angular/core';
+import { ViewportService } from '../../../services/viewport/viewport.service';
 
 @Component({
 	selector: 'ov-toolbar-panel-buttons',
@@ -28,6 +29,27 @@ export class ToolbarPanelButtonsComponent {
 	@Output() toggleParticipantsPanel: EventEmitter<void> = new EventEmitter();
 	@Output() toggleChatPanel: EventEmitter<void> = new EventEmitter();
 
+	constructor(public viewportService: ViewportService) {}
+
+	// Computed property to determine if we should show collapsed menu
+	get shouldShowCollapsed(): boolean {
+		return this.viewportService.isMobileView() || this.viewportService.isTabletDown();
+	}
+
+	// Get count of visible buttons
+	get visibleButtonsCount(): number {
+		let count = 0;
+		if (!this.isMinimal && this.showActivitiesPanelButton) count++;
+		if (!this.isMinimal && this.showParticipantsPanelButton) count++;
+		if (!this.isMinimal && this.showChatPanelButton) count++;
+		return count;
+	}
+
+	// Check if any panel is currently opened
+	get isAnyPanelOpened(): boolean {
+		return this.isActivitiesOpened || this.isParticipantsOpened || this.isChatOpened;
+	}
+
 	// Local methods that emit events
 	onToggleActivities(expand?: string) {
 		this.toggleActivitiesPanel.emit(expand);
diff --git a/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar.component.scss b/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar.component.scss
index 5a896e20..18464795 100644
--- a/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar.component.scss
+++ b/openvidu-components-angular/projects/openvidu-components-angular/src/lib/components/toolbar/toolbar.component.scss
@@ -45,6 +45,9 @@
 		justify-content: flex-end;
 		align-items: center;
 	}
+	::ng-deep .menu-buttons-container:has(.collapsed-menu-container) {
+		flex: 0;
+	}
 
 	#info-container > div {
 		display: flex;