Keyboard testing
Press each physical key once and watch for a matching highlight. Check modifiers, navigation keys, and the numpad separately.
Open Keyboard TesterDEVICE TESTING GUIDES
Get a clearer answer from every test.
Use these short, practical guides to prepare your device, run a check, and understand what the result means.
Speaker testing
Start at a low volume, then test LEFT, RIGHT, and BOTH channels. Use headphones if you need to isolate a channel.
Open Speaker TesterMicrophone testing
Allow microphone access, speak naturally, and review the live level and local recording. Download the recording only when you choose.
Open Microphone TesterCamera testing
Allow camera access, check the preview, lighting, focus, resolution, and selected device. Nothing is uploaded by the browser test.
Open Camera TesterBattery testing
Review current charge and charging state in your browser. For capacity, wear, cycles, and Windows battery reports, use the desktop app.
Open Battery TesterBefore you begin
Close other apps using the device, grant only the permission requested, and keep your volume low during audio checks.
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