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Preset Devices
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About Screen Resolution Testing
Test how your website looks on different screen sizes and devices. This tool helps you ensure your responsive design works perfectly across all viewports.
Popular Device Presets
Quick access to common device resolutions including phones, tablets, and desktops.
Custom Resolutions
Test any custom width and height to match specific requirements.
Live Preview
See your website in real-time at different resolutions with rotation support.