How do I test my website's responsiveness?

Enter your website's URL into the input field, select a device type (mobile, tablet, or desktop), and view the real-time interactive preview. Adjust the frame size or orientation to further test its responsiveness.

Can I customize the screen size for testing?

Yes! You can manually input custom width and height dimensions or drag the frame edges to simulate unique screen sizes, providing precise control over the device simulation.

How does the orientation toggle work?

Simply click the orientation toggle to switch between horizontal (landscape) and vertical (portrait) modes. This allows you to test how your website adapts to different orientations on various devices.

What happens if I enter an invalid URL?

The tool automatically checks the URL's validity and displays a toast notification if the URL is invalid or the website is unresponsive, helping you correct issues before proceeding.

Can I revisit previously tested websites?

Yes, the tool includes a URL history via the browser's datalist, allowing you to easily revisit and retest previously entered websites.

Website Responsive Checker

Test your website's responsiveness on 50+ devices, including iPhone, Samsung, Google Pixel, tablets, laptops, and desktops. Drag, resize, and view in fullscreen mode for a seamless testing experience.

Effortless Responsive Testing for Your Website

Preview, adjust, and refine your website’s responsiveness across multiple devices. An essential tool for web developers and designers aiming to optimize their websites for all screen sizes.

Real-Time Website Preview

View your website in real-time across various devices. Enter a URL and see an interactive, live preview in the selected device frame, helping you identify layout issues and optimize for different screen sizes.

Diverse Device Selection

Choose from an extensive list of predefined devices, including popular models like iPhone 15, Samsung Galaxy S23, MacBook Pro, and more for a comprehensive preview of your website's responsiveness.

Custom Device Size Adjustments

Manually adjust the width and height of the preview frame using built-in input fields to simulate custom screen sizes, giving you precise control over how your website appears on uncommon devices.

Orientation Toggle (Horizontal & Vertical)

Switch between horizontal and vertical orientations for the selected device, allowing you to test your website's responsiveness in both portrait and landscape modes.

Drag-Resizing with Visual Handles

Resize the preview frame interactively using drag handles on the edges. Adjust the frame size directly to mimic different device dimensions and test your website's adaptability.

Full-Screen Mode

Expand the preview to full screen for an immersive view of your website. This mode provides an uninterrupted workspace for evaluating design on larger screens.

URL Validation and History

Directly input URLs to test responsiveness, with integrated URL validation to ensure only valid websites are processed. Easily revisit tested sites with the URL history feature for streamlined usability.

Auto-Detect Website Loading Issues

Automatically checks website availability, displaying error messages for invalid URLs or unresponsive websites. Quickly identify loading issues to verify URL integrity before previewing.

Device Type Quick Switch

Switch between mobile, tablet, and desktop views using dedicated buttons, allowing you to test website adaptation to different form factors with minimal effort.

Dynamic Device Controls

Automatically update the width and height of the preview frame based on the selected device, providing an accurate simulation of real-world usage scenarios.

Responsive Layout Testing

Examine how elements like images, text, and buttons adapt to different screen sizes, ensuring a consistent user experience across devices.

Realistic Aspect Ratio Simulation

Preview your website with actual aspect ratios of popular devices. Check if your content scales correctly, maintaining accessibility regardless of screen size or orientation.

Customizable Input Fields

Manually input custom dimensions to simulate unique screen sizes. The intuitive width and height fields provide precise control over device simulation.

User-Friendly Interface

Switch between devices, orientations, and view live previews with an intuitive interface. Designed for web developers and designers to ensure a hassle-free experience.

Lightweight and Fast Loading

Experience minimal load times for previews with efficient URL processing and iframe-based rendering, allowing rapid testing of multiple websites.

Integrated Keyboard Shortcuts

Use keyboard shortcuts like the Enter key to quickly initiate URL checks, streamlining your workflow during the testing process.

Error Handling with Toast Notifications

Receive instant feedback for invalid URLs or loading errors with toast notifications, helping you input correct URLs and handle website preview issues efficiently.

Secure Preview with No-CORS Mode

Preview websites securely with no-CORS mode, ensuring privacy while allowing for comprehensive responsive testing without compromising data security.

How to Use the Website Responsive Checker Tool

Step 1

Enter the URL of the website you want to test into the input field.

Step 2

Select a device type (mobile, tablet, or desktop) from the list to preview your website's responsiveness.

Step 3

Toggle the orientation between horizontal and vertical to see how the website adapts to different viewports.

Step 4

Manually adjust the width and height of the preview frame or use the drag handles to simulate custom screen sizes.

Step 5

Switch between devices and check the website's layout and design for consistency across different screen sizes.