diff --git a/InteractiveHtmlBom/web/ibom.html b/InteractiveHtmlBom/web/ibom.html
index facb5729..e0adc402 100644
--- a/InteractiveHtmlBom/web/ibom.html
+++ b/InteractiveHtmlBom/web/ibom.html
@@ -55,6 +55,10 @@
             <input id="darkmodeCheckbox" type="checkbox" onchange="setDarkMode(this.checked)">
             Dark mode
           </label>
+          <label class="menu-label">
+            <input id="fullscreenCheckbox" type="checkbox" onchange="setFullscreen(this.checked)">
+            Full Screen
+          </label>
           <label class="menu-label">
             <input id="padsCheckbox" type="checkbox" checked onchange="padsVisible(this.checked)">
             Show footprint pads
diff --git a/InteractiveHtmlBom/web/ibom.js b/InteractiveHtmlBom/web/ibom.js
index 16d9902d..59265e19 100644
--- a/InteractiveHtmlBom/web/ibom.js
+++ b/InteractiveHtmlBom/web/ibom.js
@@ -72,6 +72,14 @@ function setDarkMode(value) {
   redrawIfInitDone();
 }
 
+function setFullscreen(value) {
+  if (value) {
+    document.documentElement.requestFullscreen();
+  } else {
+    document.exitFullscreen();
+  }
+}
+
 function fabricationVisible(value) {
   writeStorage("fabricationVisible", value);
   settings.renderFabrication = value;
@@ -936,6 +944,12 @@ window.onload = function(e) {
   prepCheckboxes();
   // Triggers render
   changeBomLayout(settings.bomlayout);
+
+  // Users may leave fullscreen without touching the checkbox. Uncheck.
+  document.addEventListener('fullscreenchange', () => {
+    if (!document.fullscreenElement)
+      document.getElementById('fullscreenCheckbox').checked = false;
+  });
 }
 
 window.onresize = resizeAll;