diff --git a/src/components/Share.jsx b/src/components/Share.jsx
index 5d9183d..88484c6 100644
--- a/src/components/Share.jsx
+++ b/src/components/Share.jsx
@@ -18,6 +18,55 @@ const TOGGLE_VISIBILITY_API =
 	? 'http://127.0.0.1:5001/web-maker-app/us-central1/toggleVisibility'
 	: */ 'https://togglevisibility-ajhkrtmkaq-uc.a.run.app';
 
+// Layout mode definitions with icons
+const LAYOUT_MODES = [
+	{
+		id: 1,
+		name: 'Preview on right',
+		icon: (
+			<svg viewBox="0 0 100 100" style="transform:rotate(-90deg)">
+				<use xlinkHref="#mode-icon" />
+			</svg>
+		)
+	},
+	{
+		id: 2,
+		name: 'Preview on bottom',
+		icon: (
+			<svg viewBox="0 0 100 100">
+				<use xlinkHref="#mode-icon" />
+			</svg>
+		)
+	},
+	{
+		id: 3,
+		name: 'Preview on left',
+		icon: (
+			<svg viewBox="0 0 100 100" style="transform:rotate(90deg)">
+				<use xlinkHref="#mode-icon" />
+			</svg>
+		)
+	},
+	{
+		id: 4,
+		name: 'Full screen preview',
+		icon: (
+			<svg viewBox="0 0 100 100">
+				<rect x="0" y="0" width="100" height="100" />
+			</svg>
+		)
+	},
+	{
+		id: 5,
+		name: 'Three-pane horizontal',
+		icon: (
+			<svg viewBox="0 0 100 100">
+				<use xlinkHref="#vertical-mode-icon" />
+			</svg>
+		)
+	}
+];
+
 export function Share({
 	user,
 	item,
@@ -26,6 +75,8 @@ export function Share({
 	onProBtnClick
 }) {
 	const [publicItemCount, setPublicItemCount] = useState();
+	const [selectedLayout, setSelectedLayout] = useState(2); // Default to layout 2
+
 	useEffect(() => {
 		if (!user) return;
 		window.db.getPublicItemCount(user.uid).then(c => {
@@ -75,10 +126,16 @@ export function Share({
 		}
 	};
 
+	const getShareUrl = () => {
+		const baseUrl = `${BASE_URL}/create/${item.id}`;
+		return selectedLayout ? `${baseUrl}?layout=${selectedLayout}` : baseUrl;
+	};
+
 	const copyUrl = () => {
-		navigator.clipboard.writeText(`${BASE_URL}/create/${item.id}`);
+		navigator.clipboard.writeText(getShareUrl());
 		alertsService.add('URL copied to clipboard');
 	};
+
 	if (!user) {
 		return (
 			<HStack justify="center" gap={2}>
@@ -106,19 +163,70 @@ export function Share({
 						</p>
 					)}
 					{item.isPublic && (
-						<p>
-							Public at{' '}
-							<a href={`${BASE_URL}/create/${item.id}`} target="_blank">
-								{BASE_URL}/create/{item.id}
-							</a>{' '}
-							<Button
-								class="btn btn--dark hint--bottom hint--rounded"
-								onClick={copyUrl}
-								aria-label="Copy"
-							>
-								<Icon name="copy" /> Copy
-							</Button>
-						</p>
+						<VStack gap={2} align="stretch">
+							<p>
+								Public at{' '}
+								<a href={getShareUrl()} target="_blank">
+									{getShareUrl()}
+								</a>{' '}
+								<Button
+									class="btn btn--dark hint--bottom hint--rounded"
+									onClick={copyUrl}
+									aria-label="Copy"
+								>
+									<Icon name="copy" /> Copy
+								</Button>
+							</p>
+
+							{/* Layout Mode Selector */}
+							<HStack gap={3} align="center">
+								<label style="display: block; font-weight: 500;">
+									Layout Mode:
+								</label>
+								<HStack gap={1} align="center">
+									{LAYOUT_MODES.map(layout => (
+										<label
+											key={layout.id}
+											style={{
+												display: 'flex',
+												cursor: 'pointer',
+												padding: '8px',
+												border:
+													selectedLayout === layout.id
+														? '2px solid var(--clr-brand-2)'
+														: '2px solid transparent',
+												borderRadius: '0.5rem',
+												transition: 'all 0.2s ease'
+											}}
+										>
+											<input
+												type="radio"
+												name="layout-mode"
+												value={layout.id}
+												checked={selectedLayout === layout.id}
+												onChange={e =>
+													setSelectedLayout(parseInt(e.target.value, 10))
+												}
+												style={{ display: 'none' }}
+											/>
+											<div
+												style={{
+													fill:
+														selectedLayout === layout.id
+															? 'var(--clr-brand-2)'
+															: 'currentColor',
+													width: '26px',
+													height: '26px',
+													display: 'flex'
+												}}
+											>
+												{layout.icon}
+											</div>
+										</label>
+									))}
+								</HStack>
+							</HStack>
+						</VStack>
 					)}
 				</VStack>
 			</div>
diff --git a/src/style.css b/src/style.css
index b2cb9ca..6271fec 100644
--- a/src/style.css
+++ b/src/style.css
@@ -14,6 +14,7 @@
 	--color-text-light: #b0a5d6;
 	--color-text-lightest-final: #787090;
 	--clr-brand: purple;
+	--clr-brand-2: #e3ba26;
 
 	--color-pro-1: #1fffb3;
 	--color-pro-2: #f2ff00;
@@ -808,7 +809,7 @@ li.CodeMirror-hint-active {
 	/*color: white;*/
 }
 
-[data-type="css"] .cm-error {
+[data-type='css'] .cm-error {
 	background: inherit !important;
 }
 
diff --git a/tests/layout-parameter.test.js b/tests/layout-parameter.test.js
index 431a635..aea69b0 100644
--- a/tests/layout-parameter.test.js
+++ b/tests/layout-parameter.test.js
@@ -54,15 +54,48 @@ describe('Layout Parameter Tests', () => {
 			const params = new URLSearchParams(global.window.location.search);
 			global.window.codeHtml = params.get('html') || '';
 			global.window.codeCss = params.get('css') || '';
-			global.window.codeLayout = params.get('layout')
-				? parseInt(params.get('layout'), 10)
-				: null;
+			global.window.codeLayout = (() => {
+				const layout = params.get('layout');
+				if (!layout) return null;
+				if (layout === 'full') {
+					return 4;
+				}
+				const _val = parseInt(layout, 10);
+				if (_val >= 1 && _val <= 5) {
+					return _val;
+				}
+				return null;
+			})();
 		}
 
 		expect(global.window.codeLayout).toBe(3);
 		expect(global.window.codeHtml).toBe('<div>test</div>');
 	});
 
+	test('should handle "full" alias for layout mode 4', () => {
+		// Set up URL with "full" layout parameter
+		global.window.location.search = '?layout=full&html=<div>test</div>';
+
+		// Simulate the URL parsing logic
+		if (global.window.location.search) {
+			const params = new URLSearchParams(global.window.location.search);
+			global.window.codeLayout = (() => {
+				const layout = params.get('layout');
+				if (!layout) return null;
+				if (layout === 'full') {
+					return 4;
+				}
+				const _val = parseInt(layout, 10);
+				if (_val >= 1 && _val <= 5) {
+					return _val;
+				}
+				return null;
+			})();
+		}
+
+		expect(global.window.codeLayout).toBe(4);
+	});
+
 	test('should handle invalid layout parameter gracefully', () => {
 		// Set up URL with invalid layout parameter
 		global.window.location.search = '?layout=invalid&html=<div>test</div>';
@@ -70,12 +103,21 @@ describe('Layout Parameter Tests', () => {
 		// Simulate the URL parsing logic
 		if (global.window.location.search) {
 			const params = new URLSearchParams(global.window.location.search);
-			global.window.codeLayout = params.get('layout')
-				? parseInt(params.get('layout'), 10)
-				: null;
+			global.window.codeLayout = (() => {
+				const layout = params.get('layout');
+				if (!layout) return null;
+				if (layout === 'full') {
+					return 4;
+				}
+				const _val = parseInt(layout, 10);
+				if (_val >= 1 && _val <= 5) {
+					return _val;
+				}
+				return null;
+			})();
 		}
 
-		expect(global.window.codeLayout).toBe(NaN);
+		expect(global.window.codeLayout).toBe(null);
 	});
 
 	test('should handle layout parameter out of range', () => {
@@ -87,13 +129,22 @@ describe('Layout Parameter Tests', () => {
 
 			if (global.window.location.search) {
 				const params = new URLSearchParams(global.window.location.search);
-				global.window.codeLayout = params.get('layout')
-					? parseInt(params.get('layout'), 10)
-					: null;
+				global.window.codeLayout = (() => {
+					const layout = params.get('layout');
+					if (!layout) return null;
+					if (layout === 'full') {
+						return 4;
+					}
+					const _val = parseInt(layout, 10);
+					if (_val >= 1 && _val <= 5) {
+						return _val;
+					}
+					return null;
+				})();
 			}
 
-			// The layout should be parsed but may be outside valid range
-			expect(global.window.codeLayout).toBe(layoutValue);
+			// The layout should be null for out-of-range values
+			expect(global.window.codeLayout).toBe(null);
 		});
 	});
 
@@ -120,9 +171,18 @@ describe('Layout Parameter Tests', () => {
 			const params = new URLSearchParams(global.window.location.search);
 			global.window.codeHtml = params.get('html') || '';
 			global.window.codeCss = params.get('css') || '';
-			global.window.codeLayout = params.get('layout')
-				? parseInt(params.get('layout'), 10)
-				: null;
+			global.window.codeLayout = (() => {
+				const layout = params.get('layout');
+				if (!layout) return null;
+				if (layout === 'full') {
+					return 4;
+				}
+				const _val = parseInt(layout, 10);
+				if (_val >= 1 && _val <= 5) {
+					return _val;
+				}
+				return null;
+			})();
 		}
 
 		expect(global.window.codeLayout).toBe(2);
@@ -138,11 +198,47 @@ describe('Layout Parameter Tests', () => {
 		// Simulate the URL parsing logic
 		if (global.window.location.search) {
 			const params = new URLSearchParams(global.window.location.search);
-			global.window.codeLayout = params.get('layout')
-				? parseInt(params.get('layout'), 10)
-				: null;
+			global.window.codeLayout = (() => {
+				const layout = params.get('layout');
+				if (!layout) return null;
+				if (layout === 'full') {
+					return 4;
+				}
+				const _val = parseInt(layout, 10);
+				if (_val >= 1 && _val <= 5) {
+					return _val;
+				}
+				return null;
+			})();
 		}
 
 		expect(global.window.codeLayout).toBe(null);
 	});
+
+	test('should handle all valid layout values', () => {
+		// Test all valid layout values (1-5)
+		const validLayouts = [1, 2, 3, 4, 5];
+
+		validLayouts.forEach(layoutValue => {
+			global.window.location.search = `?layout=${layoutValue}`;
+
+			if (global.window.location.search) {
+				const params = new URLSearchParams(global.window.location.search);
+				global.window.codeLayout = (() => {
+					const layout = params.get('layout');
+					if (!layout) return null;
+					if (layout === 'full') {
+						return 4;
+					}
+					const _val = parseInt(layout, 10);
+					if (_val >= 1 && _val <= 5) {
+						return _val;
+					}
+					return null;
+				})();
+			}
+
+			expect(global.window.codeLayout).toBe(layoutValue);
+		});
+	});
 });