diff --git a/tabs-tabs-tabs/tabs.html b/tabs-tabs-tabs/tabs.html
index afcf29a..ad0f564 100644
--- a/tabs-tabs-tabs/tabs.html
+++ b/tabs-tabs-tabs/tabs.html
@@ -14,6 +14,9 @@
   <a href="#" id="tabs-remove">Remove active tab</a><br>
   <a href="#" id="tabs-create">Create a tab</a><br>
   <a href="#" id="tabs-alertinfo">Alert active tab info</a><br>
+  <a href="#" id="tabs-add-zoom">Increase tab zoom</a><br>
+  <a href="#" id="tabs-decrease-zoom">decrease tab zoom</a><br>
+  <a href="#" id="tabs-default-zoom">default tab zoom</a><br>
   <script src="tabs.js"></script>
 </body>
 
diff --git a/tabs-tabs-tabs/tabs.js b/tabs-tabs-tabs/tabs.js
index 4b09ffd..3b46795 100644
--- a/tabs-tabs-tabs/tabs.js
+++ b/tabs-tabs-tabs/tabs.js
@@ -70,5 +70,49 @@ document.addEventListener("click", function(e) {
     });
   }
 
+  else if (e.target.id === "tabs-add-zoom") {
+      callOnActiveTab((tab) => {
+        chrome.tabs.getZoom(tab.id, function(zoomFactor){
+            var newZoomFactor = zoomFactor + 0.2;
+            newZoomFactor = newZoomFactor > 3 ? 3 : newZoomFactor
+
+            //the maximum zoomFactor is 3, it can't go higher
+            if (zoomFactor >= 3) {
+                alert("Tab zoom factor is already at max!");
+            } else {
+                chrome.tabs.setZoom(tab.id, newZoomFactor);
+            }
+        });
+      });
+  }
+
+  else if (e.target.id === "tabs-decrease-zoom") {
+      callOnActiveTab((tab) => {
+        chrome.tabs.getZoom(tab.id, function(zoomFactor){
+            var newZoomFactor = zoomFactor - 0.2;
+            newZoomFactor = newZoomFactor < 0.3 ? 0.3 : newZoomFactor
+
+            //the minimum zoomFactor is 0.3, it can't go lower
+            if (zoomFactor <= 0.3) {
+                alert("Tab zoom factor is already at minimum!");
+            } else {
+                chrome.tabs.setZoom(tab.id, newZoomFactor);
+            }
+        });
+      });
+  }
+
+  else if (e.target.id === "tabs-default-zoom") {
+      callOnActiveTab((tab) => {
+        chrome.tabs.getZoom(tab.id, function(zoomFactor){
+            if (zoomFactor == 1) {
+                alert("Tab zoom is already at the default zoom factor");
+            } else {
+                chrome.tabs.setZoom(tab.id, 1);
+            }
+        });
+      });
+  }
+
   e.preventDefault();
 });