FreeAll Tests
Every test on the site, grouped by the kind of device it checks. All of them are free, need no sign-up and run entirely in your browser.
Audio
Mic TestFree online mic test. Watch a live waveform and level meter to confirm your microphone works in seconds. Runs in your browser; nothing is recorded.
Sound TestFree online sound test. Play tones on the left, right or both speakers to check your headphones and speakers are wired and working correctly.
Headphone TestFree headphone test. Check left/right balance, sweep from deep bass to high treble, and find wiring faults with an in-phase and out-of-phase check.
Voice RecorderFree online voice recorder. Record your voice from any microphone, play it back to check how you sound, and download the recording. Nothing is uploaded.
Mic Echo TestFree mic echo test. Hear your own microphone played back after a short delay, so you can check how you sound on calls before you join.
Noise MeterFree online noise meter. Use your microphone to estimate the sound level around you in decibels, with live, average and peak readings.
Tone GeneratorFree online tone generator. Play a sine, square, sawtooth or triangle wave at any frequency from 20 Hz to 20 kHz to test speakers, find rattles or check your hearing range.
Instrument TunerFree online instrument tuner. Tune your guitar, bass, ukulele or any instrument with your microphone, with a clear sharp/flat needle and adjustable A4 pitch.
MetronomeFree online metronome. Set any tempo from 30 to 300 BPM, choose beats per bar, accent the first beat and tap to set the tempo.
Camera & screen
Webcam TestFree online webcam test. See your camera preview, resolution and frame rate instantly and take a snapshot. Runs in your browser; nothing is uploaded.
Online MirrorFree online mirror. Turn your webcam or phone's front camera into a mirror, with zoom, full screen and a fill light for dark rooms. Nothing is recorded.
Dead Pixel TestFree online dead pixel test. Fill your screen with solid colours to spot dead, stuck and hot pixels on monitors, laptops, TVs and phones.
Refresh Rate TestFree online refresh rate test. See how many times per second your screen updates in Hz, and check your 120, 144 or 240 Hz monitor is really running at full speed.
Screen InfoSee your screen resolution, browser window size, pixel ratio, colour depth, HDR and colour gamut support instantly. Free and private.
Backlight Bleed TestFree backlight bleed and IPS glow test. Show a full-screen black image to spot light leaking around the edges of your monitor, laptop or TV.
Gradient & Banding TestFree monitor gradient and banding test. Check for colour banding and see whether your screen can show the darkest and brightest shades.
Ghosting TestFree monitor ghosting and motion blur test. Watch moving shapes on dark, mid and light backgrounds to see trailing and smearing on your screen.
Input devices
Keyboard TestFree online keyboard tester. Press each key and watch it light up to find dead, stuck or ghosting keys. Works with any keyboard in your browser.
Mouse TestFree online mouse test. Check left, right and middle clicks, double-clicks, the scroll wheel and back/forward side buttons right in your browser.
Double-Click TestFree mouse double-click test. Find out if a worn switch is making your mouse register two clicks when you press once, on the left, right or middle button.
Mouse Polling RateFree mouse polling rate test. Move your mouse to measure how many times per second it reports its position, and check a 500, 1000 or 8000 Hz mouse.
Controller TestFree online controller tester. Plug in a gamepad to check every button, trigger and thumbstick, spot stick drift and test rumble, right in your browser.
Pen Pressure TestFree pen pressure test. Draw with your stylus or drawing tablet to check pressure sensitivity, tilt and the eraser, right in your browser.
Speed & reflexes
Click Speed TestFree click speed test. See how many times you can click in 1, 5, 10, 30 or 60 seconds, get your clicks per second (CPS) and beat your best score.
Spacebar CounterFree spacebar counter and speed test. Count how many times you can press the spacebar in 5, 10, 30 or 60 seconds, or just keep a running tally.
Reaction Time TestFree reaction time test. Click the moment the box turns green to measure your reflexes in milliseconds, with an average over five tries.
Phone & tablet
Touch Screen TestFree online touch screen test. See how many fingers your screen detects at once and draw across it to find dead zones on phones, tablets and touch laptops.
Vibration TestFree online vibration test. Make your phone buzz with short, long and patterned vibrations to check the vibration motor is working.
Gyroscope TestFree online gyroscope and accelerometer test. See your phone's tilt, rotation and motion live, with a built-in spirit level.
CompassFree online compass. Use your phone's built-in sensors to find north and see your heading in degrees, with no app to install.
Battery StatusSee your laptop or phone battery level, whether it's charging and the estimated time until full or empty, live in your browser.
FlashlightFree online flashlight. Turn on your phone's torch from the browser where supported, or turn your whole screen into a bright light on any device.
Browser & network
Browser InfoSee which browser and version you're using, your operating system, language, time zone and which web features your browser supports. Copy it all for tech support.
Connection TestCheck if you're online, see your connection type and measure response time (ping) to this site. Watch live for dropouts on Wi-Fi or mobile data.