Test your device hardware right in the browser.
Accurate, real-time metrics for every device — not just a pass-or-fail checkmark.
Deeper metrics
Real numbers with units — dBFS, Hz, ms — where others show a checkmark.
100% private, on-device
No upload, no server round-trip. Your camera and mic never leave the page.
No install, no signup
Open a tab and run. Works on any modern browser, desktop or mobile.
Microphone Test
Free online microphone test and mic tester in your browser — live input levels in dBFS, latency, and sample rate. Test my microphone with nothing uploaded.
Speaker Test
Free online speaker test and speaker tester — left and right channels, stereo balance, and frequency sweep in your browser. Nothing is uploaded.
Headphone Test
Free online headphone test and headphone tester — left/right channel check and stereo separation in your browser. Nothing is uploaded.
Keyboard Test
Free online keyboard test and keyboard tester — check every key, NKRO, and ghosting in your browser. Nothing is uploaded.
Mouse Test
Free online mouse test and mouse tester — check buttons, scroll wheel, and double-click in your browser. Nothing is uploaded.
Mouse Polling Rate Test
Free mouse polling rate test online — polling rate checker measuring Hz (up to 8000) in your browser. Nothing is installed.
CPS Test
Free CPS test — measure your click speed in clicks per second over 1, 5, 10, 30 or 60 seconds. Left click, right click or spacebar. Nothing is uploaded.
Controller Tester
Free controller tester and gamepad tester in your browser — controller test and gamepad test for buttons, sticks, triggers, and stick drift. Nothing is uploaded.
Touchscreen Test
Free online touchscreen test and touchscreen tester — multi-touch checker for dead zones on phones, tablets, and laptops.
Dead Pixel / Screen Test
Free online dead pixel test and dead pixel checker — full-screen colors to find dead and stuck pixels on your monitor. Nothing is uploaded.
Refresh Rate Test
Free online monitor refresh rate test — see what is my monitor refresh rate in Hz. Monitor refresh rate checker in your browser; nothing is installed.
FPS Test
Free online FPS test and FPS checker — measure frames per second in your browser. A quick PC frame-rate sanity check; nothing is uploaded.
Screen Resolution & Device Info
Free online screen resolution test — see what is my screen resolution, what is my resolution, and what is my screen size in CSS pixels, plus DPR and device info.
Laptop Battery Test
Free laptop battery test and battery checker in your browser — see what's my battery level, charging state, and time estimates. Not a wear, cycle-count, or car battery tester; nothing is uploaded.
No tools match your search. Try a category like Audio or Display.
Need a hand?
Not sure which test you need, or stuck after a clean result? These pages walk the next step.