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SPCXTools

Device Test Tools — Free Online

Test your keyboard, microphone, webcam, speakers and screen.

8 tools

Dead Pixel TestFill your screen with solid colours to spot dead pixels, stuck pixels and backlight bleed.Keyboard TestPress keys to check that every one registers — find dead, stuck or ghosting keys in seconds.Microphone TestCheck that your microphone works with a live volume meter, waveform and quick playback recording.Refresh Rate TestMeasure your display's real refresh rate in Hz, with frame time, jitter and a live smoothness graph.Screen ResolutionSee your screen resolution, browser viewport size, pixel ratio and other display details instantly.Speaker TestCheck left and right channels, bass and treble on speakers and headphones with test sounds.Touch Screen TestCheck multi-touch support and find unresponsive areas on phones, tablets and touch laptops.Webcam TestCheck your camera with a live preview, real resolution and frame rate, and take a test snapshot.