Screen & Resolution Tester
Find out your exact screen resolution, viewport size, and device pixel ratio.
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Find out your exact screen resolution, viewport size, and device pixel ratio.
No upload is required. Simply interact with the test area above to begin measuring your screen tester performance.
Follow the on-screen prompts carefully. Your results for the Screen Tester will be recorded continuously as you participate.
Once finished, review your final score and analytics. You can easily reset the Screen Tester and try again to beat your previous record.
Share your results or copy the highlighted data to your clipboard. No account or registration is required to use this utility!
Files never leave your device.
Everything runs locally via WebAssembly.
Process and download in seconds.
Press any key on your keyboard to test if it's registering correctly.
Move your mouse and click (Left, Middle, Right) inside the box to test it.
Check if your webcam is working properly directly in your browser.
Check if your microphone is working and test input levels.