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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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39 tests

BrowserBrowser Benchmark TestRun CPU, GPU-style rendering, display, network, and page checks together.Usually 30–50 secondsOpen CPU & memoryCPU Test OnlineMeasure sustained single-worker and multi-worker processor performance.Usually 12–25 secondsOpen GPU & gamingGPU Test OnlineRun a visible WebGL rendering workload with live FPS and frame timing.8 secondsOpen GPU & gamingFPS TestWatch a visible canvas workload and measure FPS, 1% low, and frame time.8 secondsOpen GPU & gamingGaming Performance TestCombine JavaScript compute, visible FPS, and display timing.Usually 25–40 secondsOpen GPU & gamingWebGL Test & GPU InfoCheck WebGL support, renderer hints, limits, and graphics extensions.InstantOpen AccessibilityBrowser Accessibility CheckerAudit the current page's controls, landmarks, headings, and target sizes.Under 1 secondOpen Touch & inputTouch Screen TestDraw across a live grid to check touch response, gaps, and pointer coverage.InteractiveOpen Touch & inputMulti-Touch TestCheck how many simultaneous touch points your browser reports.InteractiveOpen Screen & displayScreen Test OnlineInspect the screen with full-window solid colors and gradients.InteractiveOpen Screen & displayDead Pixel TestCycle full-screen colors to find pixels that remain dark, bright, or stuck.InteractiveOpen Screen & displayScreen Color & Gradient TestCheck solid colors, grayscale, gradients, contrast steps, and banding.InteractiveOpen Screen & displayScreen Resolution CheckerCheck screen, viewport, DPR, orientation, color depth, and CSS resolution.InstantOpen Screen & displayRefresh Rate TestEstimate browser-observed Hz, interval stability, jitter, and missed frames.3 secondsOpen Touch & inputKeyboard Tester OnlineSee keydown, keyup, code, location, repeat, and modifier events live.InteractiveOpen Touch & inputMouse Tester OnlineTest buttons, movement, wheel input, click intervals, and pointer coordinates.InteractiveOpen Touch & inputMouse Click & Double-Click TestInspect click timing, button identity, repeated clicks, and double-click events.InteractiveOpen Touch & inputGamepad & Controller TesterInspect connected controller buttons, axes, mapping, and live values.InteractiveOpen AudioSpeaker Test OnlinePlay a controlled tone through the left, right, or both audio channels.InteractiveOpen AudioVolume Test OnlineCheck whether browser and device volume changes affect a controlled tone.InteractiveOpen AudioHeadphone Left & Right TestVerify stereo left, right, and center playback with controlled tones.InteractiveOpen AudioAudio Frequency TestGenerate selectable tones to check audible playback across frequencies.InteractiveOpen AudioMicrophone Test OnlineView live input level and waveform after granting microphone permission.Interactive · permission requiredOpen Camera & mobileWebcam & Camera TestPreview the selected camera and inspect its active resolution and frame rate.Interactive · permission requiredOpen Camera & mobilePhone Vibration TestRun short browser vibration patterns when the device and browser support them.InteractiveOpen CPU & memoryRAM Checker OnlineShow the browser's approximate memory hint and run a safe allocation probe.Instant info · optional short probeOpen CPU & memoryMemory Speed Test OnlineMeasure bounded JavaScript array write, read, and traversal throughput.2–4 secondsOpen 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 Internet & networkInternet Speed TestMeasure eight pings and an adaptive streamed transfer to this server.Usually 2–10 secondsOpen Internet & networkPing & Latency TestMeasure median ping, P95 latency, jitter, and route scope in the browser.Usually 2–10 secondsOpen BrowserQuick Setup CheckCheck your mic, speaker, camera, screen, pointer, and network in one guided flow.60 secondsOpen GPU & gamingCPS Test - Clicks Per SecondMeasure click speed in 1, 5, 10, 30, or 60-second rounds with a live CPS graph.1 to 60 secondsOpen Touch & inputKeyboard NKRO & Ghosting TestHold gaming key combinations and see every simultaneous key event on an ANSI or ISO layout.As neededOpen Screen & displayMonitor Motion Blur & Ghosting TestTrack an original moving target at four speeds and inspect blur, ghosting, and inverse trails.30 to 60 secondsOpen AudioAudio Video Latency & Sync TestAlign a visual flash and audio beep to estimate the correction that feels synchronized to you.1 to 3 minutesOpen Touch & inputMouse Polling Rate & Hz TestSee browser-observed mouse event frequency, min, max, average, jitter, and a live graph.10 to 20 secondsOpen GPU & gamingGamer Reaction Time TestMeasure five randomized visual reaction attempts and compare your average, best, and rating.30 secondsOpen