diff --git a/laskyawm-fullscreen.js b/laskyawm-fullscreen.js
new file mode 100644
index 0000000..60449ca
--- /dev/null
+++ b/laskyawm-fullscreen.js
@@ -0,0 +1,72 @@
+/* This file is licensed under the Affero General Public License. */
+
+/*global deviceType */
+(function() {
+	// Don't show on mobile
+	if(deviceType === 'mobile') {
+		return;
+	}
+
+	// Create clock widget
+	var fsbutton = document.createElement('span');
+	fsbutton.id = 'barFullscreen';
+	fsbutton.textContent = "Fullscreen";
+
+	// Handle clicks
+	fsbutton.addEventListener("click",fs);
+
+	// Add to bar
+	window.bar.addItem(fsbutton);
+
+	// Fullscreen functions
+	var html = document.getElementsByTagName('html')[0];
+	function fs(enter) {
+		if (enter === true ||
+					enter != false &&
+					!html.classList.contains('fullscreen')) {	// current working methods
+			// Make app fullscreen
+			if (html.requestFullscreen) {
+				html.requestFullscreen();
+			} else if (html.mozRequestFullScreen) {
+				html.mozRequestFullScreen();
+			} else if (html.webkitRequestFullscreen) {
+				html.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
+			}
+		} else {
+			// Exit fullscreen
+			if (document.cancelFullScreen) {
+				document.cancelFullScreen();
+			} else if (document.mozCancelFullScreen) {
+				document.mozCancelFullScreen();
+			} else if (document.webkitCancelFullScreen) {
+				document.webkitCancelFullScreen();
+			}
+		}
+	}
+
+	function onFullScreenChange() {
+		if (
+			document.fullscreenElement ||
+			document.mozFullScreenElement ||
+			document.webkitFullscreenElement
+		) {
+			html.classList.add('fullscreen');
+			fsbutton.textContent = "Close fullscreen";
+		} else {
+			html.classList.remove('fullscreen');
+			fsbutton.textContent = "Fullscreen";
+		}
+	}
+
+	function onFullScreenError() {
+		alert('Could not enter into fullscreen.');
+	}
+
+	document.addEventListener('fullscreenchange', onFullScreenChange);
+	document.addEventListener('mozfullscreenchange', onFullScreenChange);
+	document.addEventListener('webkitfullscreenchange', onFullScreenChange);
+
+	document.addEventListener('fullscreenerror', onFullScreenError);
+	document.addEventListener('mozfullscreenerror', onFullScreenError);
+	document.addEventListener('webkitfullscreenerror', onFullScreenError);
+})();
diff --git a/laskyawm.html b/laskyawm.html
index 860956c..35b5266 100644
--- a/laskyawm.html
+++ b/laskyawm.html
@@ -12,6 +12,7 @@
 	<script src="laskyawm-bar.js"></script>
 	<script src="laskyawm-apps.js"></script>
 	<script src="laskyawm-power.js"></script>
+	<script src="laskyawm-fullscreen.js"></script>
 	<script src="laskyawm-clock.js"></script>
 	<script src="laskyawm-background.js"></script>
 </body>
\ No newline at end of file