25 device presets
Phones, tablets, rotation and scale. Pick a model or set your own dimensions.
Chrome extension · Free
Desktop and mobile. One screen.
Preview your site in phone and tablet frames, right over the open page. Compare layouts and save screenshots or video.
Mobile Viewer
Features
Up to 5 devices at once
Compare responsive layouts side by side. Toggle scroll, click and typing sync.
Screenshots and video
Save a framed PNG or record your device or tab as MP4/WebM, depending on browser support.
Your sizes, your settings
Save custom viewports, device positions and preferences locally for your next session.
How it works
Pin the extension in the Chrome toolbar.
Open a website and click the extension icon.
Choose a device, compare layouts and capture the result.