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Real browser measurements. No invented hardware data.

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39 free online device tests

Free phone and PC testing tools

Find CPS, reaction, mouse Hz, keyboard ghosting, audio sync, motion blur, mic, speaker, touch, display, CPU/GPU, RAM, and internet tests.

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3 tests

Device & systemBrowser Storage CheckerInspect site quota and usage, then optionally test a small IndexedDB write/read.Instant info · optional short probeOpen Device & systemDevice Info CheckerInspect browser-visible system, screen, input, connection, and feature data.InstantOpen Device & systemBattery Level & Charging TestShow browser-exposed battery level, charging state, and time estimates.Instant when supportedOpen