Free tool

Check the responsiveness
of any website

Enter a URL and instantly see how the site looks on mobile, tablet, and desktop — no sign-up required.

Try it now

Responsive Checker

Enter a website URL and hit "Check"

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About the Tool

This responsive design checker is a fast and simple tool for previewing how websites adapt to different screen resolutions. Whether you’re a developer, designer, or website owner, you can quickly run a mobile friendly test and identify layout issues.

It’s perfect for quick checks, UI validation, and general responsiveness testing without opening browser developer tools.

However, this tool is intended for basic previews only and should not be considered a full replacement for advanced responsive testing tools or real device testing.

FAQ

A responsive checker is a tool that lets you see how a website looks on different screen sizes, such as mobile phones, tablets, and desktops.

Yes, this tool is completely free to use.

No, we do not store, track, or save any URLs you enter.

How to Use

  1. Enter the full website URL (including https://)
  2. Click the Check button
  3. Instantly view the site in different screen sizes
  4. Switch between desktop, tablet, and mobile views

Use this responsive checker to quickly spot layout issues and improve your site’s mobile usability.

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