Test Your Website Responsiveness

See how your webpage looks on mobile, tablet, and desktop — instantly and for free.

Responsive devices showing website previews

Why Use Our Tool?

📱 Multi-Device Preview

View your site on iPhone, iPad, desktop, and more with real screen dimensions.

⚡ Real-Time Results

Get instant feedback without delays or registration.

🔍 Zoom & Scroll

Interact with the preview — zoom, pan, and scroll like a real user.

🛡️ Secure & Private

No data is stored. Your URL is processed client-side only.

How It Works

Enter URL
Type any public website address in the input box.
Choose Device
Select from mobile, tablet, or desktop presets.
Preview & Analyze
Inspect layout, font scaling, and element positioning.

Why Responsive Testing Is Essential After Development

In today’s digital world, users access websites from a wide range of devices — smartphones, tablets, laptops, and even smart TVs. A website that looks perfect on a desktop might be unusable on a mobile phone if not properly tested.

Common Issues Without Testing

Text overflow: Content spilling outside containers.
Unresponsive buttons: Tap targets too small on touchscreens.
Slow loading: Large images not optimized for mobile.
Broken layouts: Grids and flexboxes misaligned.

Use Cases

Web developers, UX designers, and QA testers use responsive testing tools during:

Pre-launch checks before deploying a new site.
Client demos to show cross-device compatibility.
Accessibility audits ensuring usability for all.

Regular responsive testing ensures your site delivers a consistent, professional experience — no matter the screen size.

Frequently Asked Questions

Is this tool free to use?

Yes, our responsive checker is completely free with no registration required.

Can I test password-protected sites?

No, only publicly accessible websites can be loaded in the iframe for security reasons.

Is my data saved?

No. All processing happens in your browser. We do not store URLs or screenshots.