diff --git a/src/core/Utils.mjs b/src/core/Utils.mjs
index 0ea88c87..5c6c485c 100755
--- a/src/core/Utils.mjs
+++ b/src/core/Utils.mjs
@@ -1303,6 +1303,30 @@ export function sendStatusMessage(msg) {
         console.debug(msg);
 }
 
+const debounceTimeouts = {};
+
+/**
+ * Debouncer to stop functions from being executed multiple times in a
+ * short space of time
+ * https://davidwalsh.name/javascript-debounce-function
+ *
+ * @param {function} func - The function to be executed after the debounce time
+ * @param {number} wait - The time (ms) to wait before executing the function
+ * @param {string} id - Unique ID to reference the timeout for the function
+ * @param {object} scope - The object to bind to the debounced function
+ * @param {array} args - Array of arguments to be passed to func
+ * @returns {function}
+ */
+export function debounce(func, wait, id, scope, args) {
+    return function() {
+        const later = function() {
+            func.apply(scope, args);
+        };
+        clearTimeout(debounceTimeouts[id]);
+        debounceTimeouts[id] = setTimeout(later, wait);
+    };
+}
+
 
 /*
  * Polyfills
diff --git a/src/web/App.mjs b/src/web/App.mjs
index 606b2aff..96638f83 100755
--- a/src/web/App.mjs
+++ b/src/web/App.mjs
@@ -4,7 +4,7 @@
  * @license Apache-2.0
  */
 
-import Utils from "../core/Utils";
+import Utils, { debounce } from "../core/Utils";
 import {fromBase64} from "../core/lib/Base64";
 import Manager from "./Manager";
 import HTMLCategory from "./HTMLCategory";
@@ -41,7 +41,6 @@ class App {
         this.autoBakePause = false;
         this.progress      = 0;
         this.ingId         = 0;
-        this.timeouts      = {};
     }
 
 
@@ -295,7 +294,7 @@ class App {
             minSize: minimise ? [0, 0, 0] : [240, 310, 450],
             gutterSize: 4,
             expandToMin: true,
-            onDrag: this.debounce(function() {
+            onDrag: debounce(function() {
                 this.manager.recipe.adjustWidth();
                 this.manager.input.calcMaxTabs();
                 this.manager.output.calcMaxTabs();
@@ -723,6 +722,7 @@ class App {
         this.updateTitle(false, null, true);
     }
 
+
     /**
      * Update the page title to contain the new recipe
      *
@@ -766,29 +766,6 @@ class App {
         this.loadURIParams();
     }
 
-
-    /**
-     * Debouncer to stop functions from being executed multiple times in a
-     * short space of time
-     * https://davidwalsh.name/javascript-debounce-function
-     *
-     * @param {function} func - The function to be executed after the debounce time
-     * @param {number} wait - The time (ms) to wait before executing the function
-     * @param {string} id - Unique ID to reference the timeout for the function
-     * @param {object} scope - The object to bind to the debounced function
-     * @param {array} args - Array of arguments to be passed to func
-     * @returns {function}
-     */
-    debounce(func, wait, id, scope, args) {
-        return function() {
-            const later = function() {
-                func.apply(scope, args);
-            };
-            clearTimeout(this.timeouts[id]);
-            this.timeouts[id] = setTimeout(later, wait);
-        }.bind(this);
-    }
-
 }
 
 export default App;
diff --git a/src/web/stylesheets/layout/_structure.css b/src/web/stylesheets/layout/_structure.css
index 62ea1f9d..01777437 100755
--- a/src/web/stylesheets/layout/_structure.css
+++ b/src/web/stylesheets/layout/_structure.css
@@ -45,7 +45,7 @@ div#output {
     position: relative;
 }
 
-#operations {
+#operations.split {
     overflow: auto;
 }
 
diff --git a/src/web/waiters/BackgroundWorkerWaiter.mjs b/src/web/waiters/BackgroundWorkerWaiter.mjs
index a7f9b83a..3779553a 100644
--- a/src/web/waiters/BackgroundWorkerWaiter.mjs
+++ b/src/web/waiters/BackgroundWorkerWaiter.mjs
@@ -4,7 +4,7 @@
  * @license Apache-2.0
  */
 
-import ChefWorker from "worker-loader?inline&fallback=false!../../core/ChefWorker";
+import ChefWorker from "worker-loader?inline&fallback=false!../../core/ChefWorker.js";
 
 /**
  * Waiter to handle conversations with a ChefWorker in the background.
diff --git a/src/web/waiters/InputWaiter.mjs b/src/web/waiters/InputWaiter.mjs
index e519b963..6fc240b3 100644
--- a/src/web/waiters/InputWaiter.mjs
+++ b/src/web/waiters/InputWaiter.mjs
@@ -5,9 +5,9 @@
  * @license Apache-2.0
  */
 
-import LoaderWorker from "worker-loader?inline&fallback=false!../workers/LoaderWorker";
-import InputWorker from "worker-loader?inline&fallback=false!../workers/InputWorker";
-import Utils from "../../core/Utils.mjs";
+import LoaderWorker from "worker-loader?inline&fallback=false!../workers/LoaderWorker.js";
+import InputWorker from "worker-loader?inline&fallback=false!../workers/InputWorker.mjs";
+import Utils, { debounce } from "../../core/Utils.mjs";
 import { toBase64 } from "../../core/lib/Base64.mjs";
 import { isImage } from "../../core/lib/FileType.mjs";
 
@@ -270,7 +270,7 @@ class InputWaiter {
                 this.showLoadingInfo(r.data, true);
                 break;
             case "setInput":
-                this.app.debounce(this.set, 50, "setInput", this, [r.data.inputObj, r.data.silent])();
+                debounce(this.set, 50, "setInput", this, [r.data.inputObj, r.data.silent])();
                 break;
             case "inputAdded":
                 this.inputAdded(r.data.changeTab, r.data.inputNum);
@@ -316,7 +316,7 @@ class InputWaiter {
      */
     bakeAll() {
         this.app.progress = 0;
-        this.app.debounce(this.manager.controls.toggleBakeButtonFunction, 20, "toggleBakeButton", this, ["loading"]);
+        debounce(this.manager.controls.toggleBakeButtonFunction, 20, "toggleBakeButton", this, ["loading"]);
         this.inputWorker.postMessage({
             action: "bakeAll"
         });
@@ -681,7 +681,7 @@ class InputWaiter {
      * @param {event} e
      */
     debounceInputChange(e) {
-        this.app.debounce(this.inputChange, 50, "inputChange", this, [e])();
+        debounce(this.inputChange, 50, "inputChange", this, [e])();
     }
 
     /**
diff --git a/src/web/waiters/OutputWaiter.mjs b/src/web/waiters/OutputWaiter.mjs
index 4a08fe8d..cea2b514 100755
--- a/src/web/waiters/OutputWaiter.mjs
+++ b/src/web/waiters/OutputWaiter.mjs
@@ -5,10 +5,10 @@
  * @license Apache-2.0
  */
 
-import Utils from "../../core/Utils.mjs";
+import Utils, { debounce } from "../../core/Utils.mjs";
 import Dish from "../../core/Dish.mjs";
 import FileSaver from "file-saver";
-import ZipWorker from "worker-loader?inline&fallback=false!../workers/ZipWorker";
+import ZipWorker from "worker-loader?inline&fallback=false!../workers/ZipWorker.mjs";
 
 /**
   * Waiter to handle events related to the output
@@ -369,7 +369,7 @@ class OutputWaiter {
                 }
 
                 this.setOutputInfo(length, lines, output.data.duration);
-                this.backgroundMagic();
+                debounce(this.backgroundMagic, 50, "backgroundMagic", this, [])();
             }
         }.bind(this));
     }
@@ -717,7 +717,7 @@ class OutputWaiter {
             }
         }
 
-        this.app.debounce(this.set, 50, "setOutput", this, [inputNum])();
+        debounce(this.set, 50, "setOutput", this, [inputNum])();
 
         document.getElementById("output-html").scroll(0, 0);
         document.getElementById("output-text").scroll(0, 0);
diff --git a/src/web/waiters/WindowWaiter.mjs b/src/web/waiters/WindowWaiter.mjs
index 5b44ff98..cee2feec 100755
--- a/src/web/waiters/WindowWaiter.mjs
+++ b/src/web/waiters/WindowWaiter.mjs
@@ -4,6 +4,8 @@
  * @license Apache-2.0
  */
 
+import { debounce } from "../../core/Utils.mjs";
+
 /**
  * Waiter to handle events related to the window object.
  */
@@ -25,7 +27,7 @@ class WindowWaiter {
      * continuous resetting).
      */
     windowResize() {
-        this.app.debounce(this.app.resetLayout, 200, "windowResize", this.app, [])();
+        debounce(this.app.resetLayout, 200, "windowResize", this.app, [])();
     }
 
 
diff --git a/src/web/waiters/WorkerWaiter.mjs b/src/web/waiters/WorkerWaiter.mjs
index f4a5475f..877c0e02 100644
--- a/src/web/waiters/WorkerWaiter.mjs
+++ b/src/web/waiters/WorkerWaiter.mjs
@@ -5,8 +5,9 @@
  * @license Apache-2.0
  */
 
-import ChefWorker from "worker-loader?inline&fallback=false!../../core/ChefWorker";
-import DishWorker from "worker-loader?inline&fallback=false!../workers/DishWorker";
+import ChefWorker from "worker-loader?inline&fallback=false!../../core/ChefWorker.js";
+import DishWorker from "worker-loader?inline&fallback=false!../workers/DishWorker.mjs";
+import { debounce } from "../../core/Utils.mjs";
 
 /**
  * Waiter to handle conversations with the ChefWorker
@@ -281,7 +282,7 @@ class WorkerWaiter {
      */
     setBakingStatus(bakingStatus) {
         this.app.baking = bakingStatus;
-        this.app.debounce(this.manager.controls.toggleBakeButtonFunction, 20, "toggleBakeButton", this, [bakingStatus ? "cancel" : "bake"])();
+        debounce(this.manager.controls.toggleBakeButtonFunction, 20, "toggleBakeButton", this, [bakingStatus ? "cancel" : "bake"])();
 
         if (bakingStatus) this.manager.output.hideMagicButton();
     }