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Device Info Test
View useful browser-reported information about your device, screen and browser. No download or account required.
Information shown here comes from browser APIs and may be approximate.
What is the Device Info Test?
DeviceTest displays information that your browser makes available to a webpage, including screen dimensions, viewport size, device pixel ratio, touch capability, language and connection status.
Why is device information useful?
Screen size, viewport dimensions and pixel ratio can help troubleshoot responsive websites and display issues. Touch support can also help identify whether the browser reports a touch-capable device.
Does this identify my exact phone or computer?
Not necessarily. Browsers intentionally limit some hardware information for privacy and security. The information shown is only what the browser exposes to the page.
DeviceTest provides browser-based diagnostic tools. Results depend on your device, browser, operating system and hardware. DeviceTest does not install software.