devicesResponsive Preview
Responsive Website Tester
Preview how an embeddable website responds across desktop, tablet and mobile viewport sizes. Choose a preset, enter a custom size, rotate the viewport and adjust zoom without leaving the browser.
Desktop - 1440
1440 x 900 · 75%
75%
Responsive Testing Notes
- Check nav wrapping, hero spacing and touch targets.
- Rotate tablet and phone presets for landscape checks.
- Use custom sizes for breakpoints like 1024, 768, 425 and 320.