Test your microphone, webcam, keyboard, mouse, controller, display, touch devices and other hardware directly in your browser with free online diagnostic tools. Explore 1 free online utility tools.
Test your computer speakers online for free. Check left and right channels, stereo balance, frequency response and audio output directly in your browser.
Test your headphones or earbuds online. Check left and right channels, stereo balance, channel reversal, frequency response and audio output.
Diagnose mouse inputs online for free. Test left click, right click, middle scroll wheel, side buttons, double-click latency, and cursor movement coordinates.
Check your mouse polling rate (Hz) online. Measure observed browser pointer event frequency, peak Hz, minimum Hz, stability score, and interval distribution in real time.
Test and estimate your mouse DPI online. Measure pointer pixel distance against physical mouse movement with a ruler using a 3-trial calibration workflow.
Test every key on your keyboard online. Detect stuck, missing, or unresponsive keys, check key rollover, view key codes, and verify your keyboard layout without installing software.
Test your keyboard for ghosting, blocked key combinations, and simultaneous key rollover online. Free keyboard ghosting test with real-time results.
Test keyboard rollover and NKRO online. See how many keys your keyboard can detect simultaneously with this free browser-based keyboard rollover test.
Test your mouse accuracy, target precision, and reaction time online. Measure target hits, misses, click offset, and tracking performance with real-time feedback.
Test your mouse dragging, button hold, and drag-and-drop behavior online. Detect unexpected releases, micro-switch chatter, failed drags, and left/right button issues.
Test your game controller online for free. Check Xbox, PlayStation, Switch, and generic gamepad buttons, analog sticks, triggers, D-pad, vibration, and input history with live diagnostics.
Test your controller for analog stick drift online. Check left and right stick center position, movement stability, resting-axis deviation, and dead zone simulation.
Test your computer and connected devices directly in your browser. Check microphones, webcams, keyboards, mice, controllers, displays, touch devices and other supported hardware without installing software.
Browser-based hardware diagnostic tools allow you to verify input devices, audio hardware, cameras, keyboards, mice, game controllers, and displays directly inside your web browser. Using W3C Web APIs (such as MediaDevices, Web Audio API, Gamepad API, and Canvas), these tools check device responsiveness, input signals, frame rates, audio volume, and matrix rollover without requiring software downloads or driver installations.
When you start a hardware test, your browser requests permission to interface with standard input devices or media streams. The browser processes signal data locally—such as audio frequency frames, video dimensions, or USB Human Interface Device (HID) events—and renders immediate visual feedback in real-time.
Browser-based tests can accurately verify inputs, resolutions, observed frame delivery rates, signal activity, and matrix ghosting exposed by the browser environment. However, browser-based tests cannot directly verify every physical hardware specification, internal sensor component, or analog acoustic environment. Physical cable defects, system-level audio enhancement software, or OS driver overrides can also influence browser-observed results.
Choose a diagnostic tool from the category grid, such as Microphone Test, Webcam Test, or Keyboard Tester.
Click "Start Test" and allow browser permission when prompted to interface with your input hardware.
Observe active audio levels, camera frame rates, or input matrix grids and review your test summary.
Microphone audio, camera video frames, and hardware inputs process entirely in your local browser sandbox.
Run comprehensive hardware diagnostics using modern W3C Web APIs without installing third-party software.
Inspect live volume levels, audio waveforms, video resolution, FPS stability, and input event matrices.
Diagnose internal and external USB/Bluetooth peripherals across Windows, macOS, Android, and iOS devices.
Browser-based hardware tests use modern HTML5, Web Audio, MediaDevices, and Gamepad W3C Web APIs to sample signals from your microphone, webcam, keyboard, mouse, or controller directly inside browser memory without installing any drivers or desktop software.
No. Microphone audio and camera video streams process 100% locally in your web browser. EasyToolio never records, stores, or uploads your media or hardware telemetry.
You can test microphones, webcams, keyboards, mice, gamepads, controllers, monitors, displays, and touchscreen devices.
Ensure your hardware device is plugged in, check hardware privacy switches, verify OS sound/camera settings, and ensure browser permissions are granted for this site.
When prompted by your browser, click "Allow". If blocked previously, click the padlock icon in your browser URL bar and reset permission settings to "Allow".
Yes! Browser Web APIs provide high-precision event timers, digital peak indicators, and live stream frame metadata that match local system diagnostics.
No plugins or third-party software are required. All tests run natively in modern web browsers.
Yes. External USB microphones, webcams, keyboards, mice, and Bluetooth gamepads are fully supported.
All calculations are completed directly inside your browser. No personal parameters or details are ever stored or processed on our servers.
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