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Description
Preview any website in multiple device sizes directly inside the browser. Responsive Viewer lets you preview any website across multiple device sizes at the same time, right inside your browser. No more resizing windows or juggling DevTools device toolbars — see your page on an iPhone, iPad, and desktop simultaneously in a single tab. KEY FEATURES • Side-by-side device grid — view a page on many screen sizes at once • 15 built-in devices, including iPhone SE/13/14/15/15 Pro, Pixel 7/8, Galaxy S24, iPad Mini/Air/Pro, MacBook Air/Pro, and common laptop and desktop resolutions • Custom devices — add your own name, width, and height • Presets — save your favorite device combinations and switch instantly • Screenshots — capture device frames as PNG images • Zoom controls — scale the whole grid to fit your screen • Synced scrolling and live URL bar • Light and dark themes • Keyboard shortcut: Alt+Shift+R opens the viewer for the current tab • Works with sites that normally block embedding (headers are adjusted only inside viewer tabs, never for normal browsing) PERFECT FOR • Web developers checking responsive breakpoints • Designers reviewing layouts across form factors • QA engineers verifying cross-device rendering PRIVACY Responsive Viewer collects no data. Your devices, presets, and settings are stored locally in your browser. Nothing is sent to any server.