diff --git a/src/SEQTA.ts b/src/SEQTA.ts
index e7e2adca..d899fd7e 100644
--- a/src/SEQTA.ts
+++ b/src/SEQTA.ts
@@ -29,6 +29,7 @@ import { onError } from './seqta/utils/onError'
 import stringToHTML from './seqta/utils/stringToHTML'
 import { updateAllColors } from './seqta/ui/colors/Manager'
 import { updateBgDurations } from './seqta/ui/Animation'
+import { SettingsResizer } from "./seqta/ui/SettingsResizer";
 
 declare global {
   interface Window {
@@ -890,11 +891,13 @@ function addExtensionSettings() {
   extensionIframe.setAttribute('allowTransparency', 'true')
   extensionIframe.setAttribute('excludeDarkCheck', 'true')
   extensionIframe.style.width = '384px'
-  extensionIframe.style.height = '600px'
+  extensionIframe.style.height = '100%'
   extensionIframe.style.border = 'none'
   extensionPopup.appendChild(extensionIframe)
 
   const container = document.getElementById('container')
+
+  new SettingsResizer();
   
   const closeExtensionPopup = () => {
     const ExtensionIframe = document.getElementById('ExtensionIframe') as HTMLIFrameElement
diff --git a/src/interface/SettingsPage.tsx b/src/interface/SettingsPage.tsx
index 9f5a9dae..8e33d748 100644
--- a/src/interface/SettingsPage.tsx
+++ b/src/interface/SettingsPage.tsx
@@ -30,7 +30,7 @@ const SettingsPage = ({ standalone }: SettingsPage) => {
   ];  
 
   return (
-    <div className={`flex flex-col w-[384px] shadow-2xl gap-2 bg-white ${ standalone ? '' : 'rounded-xl' } h-[600px] overflow-clip dark:bg-zinc-800 dark:text-white`}>
+    <div className={`flex flex-col w-[384px] shadow-2xl gap-2 bg-white ${ standalone ? '' : 'rounded-xl' } h-[100vh] overflow-clip dark:bg-zinc-800 dark:text-white`}>
       <div className="grid border-b border-b-zinc-200/40 place-items-center">
         <img src={logo} className="w-4/5 dark:hidden" />
         <img src={logoDark} className="hidden w-4/5 dark:block" />
diff --git a/src/seqta/ui/SettingsResizer.ts b/src/seqta/ui/SettingsResizer.ts
new file mode 100644
index 00000000..2298714d
--- /dev/null
+++ b/src/seqta/ui/SettingsResizer.ts
@@ -0,0 +1,26 @@
+import { debounce } from "../utils/debounce";
+
+/**
+ * Automatically resizes the popup to fit the screen, checks on resize but is debounced to prevent intense utilisation.
+ */
+export class SettingsResizer {
+  constructor() {
+    this.adjustPopupHeight();
+    window.addEventListener('resize', debounce(this.adjustPopupHeight, 250) as EventListener);
+    document.addEventListener('DOMContentLoaded', this.adjustPopupHeight);
+  }
+
+  private adjustPopupHeight() {
+    const iframePopup = document.getElementById('ExtensionPopup');
+    if (!iframePopup) return;
+
+    const viewportHeight = window.innerHeight;
+    const idealHeight = viewportHeight - 80 - 15; // -80px for the top of the popup
+
+    if (idealHeight > 600) {
+      iframePopup.style.height = '600px';
+    } else {
+      iframePopup.style.height = `${idealHeight}px`;
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/seqta/utils/debounce.ts b/src/seqta/utils/debounce.ts
new file mode 100644
index 00000000..affd641a
--- /dev/null
+++ b/src/seqta/utils/debounce.ts
@@ -0,0 +1,25 @@
+/**
+ * Creates a debounced function that delays invoking the provided function until after `wait` milliseconds have elapsed
+ * since the last time it was invoked. The debounced function will only be invoked once during the `wait` period.
+ *
+ * @param func - The function to debounce.
+ * @param wait - The number of milliseconds to delay.
+ * @param immediate - If `true`, the function will be invoked immediately on the leading edge instead of the trailing edge.
+ *                    If not provided, it is disabled by default.
+ * @returns A debounced function.
+ */
+export function debounce(func: Function, wait: number, immediate?: boolean): Function {
+  let timeout: number | undefined;
+  return function(this: any) {
+    const context = this;
+    const args = arguments;
+    const later = function() {
+      timeout = undefined;
+      if (!immediate) func.apply(context, args);
+    };
+    const callNow = immediate && !timeout;
+    clearTimeout(timeout);
+    timeout = setTimeout(later, wait);
+    if (callNow) func.apply(context, args);
+  };
+}
\ No newline at end of file