Preview your website on 40+ real device sizes with one click. Multi-preview, pixel-perfect screenshots, and side-by-side comparisons.
Add to Chrome — It's FreeiPhone, Galaxy, iPad, Pixel, MacBook, and more. Every popular screen size, always up to date.
See your site on multiple devices simultaneously. Compare mobile, tablet, and desktop side by side.
Capture pixel-perfect screenshots of any device view. Share with your team or include in reports.
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Add Responsive Design Checker to Chrome in one click. No sign-up required.
Choose from 40+ real device presets or enter a custom resolution.
See your site rendered at the exact device size. Take screenshots and share.