Online hardware testing

PC Hardware Test Online

Test your PC hardware online for free. Check your microphone, speakers, keyboard, mouse, webcam, screen, gamepad, touchscreen, touchpad and more directly in your browser — no download or install required.

Free online PC hardware testing No download or installation Windows & macOS

Live browser readout

Screen—
Viewport—
Logical CPUs—
Connection—

One click

Quick PC Check

Runs every test that doesn’t need a permission prompt or physical interaction.

Full test suite

PC Hardware Tests

Microphone Test Online

Live waveform, volume meter and a short recording playback.

Not started

Waiting to start.

Current level—
Peak level—
Approx. noise floor—

Audio is captured, analyzed and played back locally in your browser. Nothing is uploaded. A signal appearing on the meter means your browser can hear input — it is not a certified measurement of microphone quality.

Speaker Test Online

Left, right, stereo and tone tests for speakers.

Not started
440 Hz

Not playing.

This test generates an audio signal. Listen through your speakers to confirm the correct channel produces sound — a browser cannot confirm that a physical speaker itself is undamaged.

Headphone Test Online

Channel-by-channel listening test for headphones.

Not started

Not playing.

Put your headphones on and listen for each channel. This is a listening test — results depend entirely on what you hear.

Keyboard Test Online

Press any key to see it register on the virtual keyboard.

Not started

Keyboard input is processed locally and is not uploaded.

Keys tested0
Total keydowns0
Last key—
code / key—
Repeat flaggedNo

A physical Mac fn key is intercepted by macOS before it reaches the browser, so it can't be shown here. Exact key sets vary a little by keyboard manufacturer — the layout selector only changes labels; detection always uses your browser's raw physical key codes, which work the same on any OS.

Mouse Test Online

Move, click and scroll inside the test area.

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LEFT RIGHT MIDDLE BUTTON 4 BUTTON 5 SCROLL DOUBLE-CLICK
Coordinates—
Wheel delta (last)—
Browser-estimated polling—

Polling rate is a rough, browser-side estimate based on event timing, not a certified hardware measurement.

Screen Test Online

Color patterns, gradients and a dead pixel check.

Not started
Screen resolution—
Available size—
Viewport size—
Device pixel ratio—
Color depth—

A browser cannot electrically verify whether a physical pixel is defective. These patterns help you visually identify dead or stuck pixels yourself.

Webcam Test Online

Live camera preview with resolution and frame rate.

Not started

Waiting to start.

Width—
Height—
Aspect ratio—
Frame rate—

Camera video is processed locally in your browser. Nothing is uploaded or stored.

Touchscreen Test

Multi-touch detection for touch-enabled devices.

Not started
Active touch points0
Max observed this session0
Browser maxTouchPoints—

The maximum observed count reflects touches detected during this session, not a guaranteed physical maximum.

Gamepad Test Online

Buttons, sticks and triggers for connected controllers.

Not started

No controller detected. Press a button on your controller to connect it.

L2 / LT0.00
R2 / RT0.00

Vibration is triggered only when the browser's Gamepad Haptics API reports support.

Touchpad / Pointer Test

Pointer type, pressure and gesture-style movement.

Not started
Pointer type—
Pressure—
Movement (X, Y)—

This reads standard Pointer Events exposed by your browser. It cannot access low-level touchpad driver testing.

Battery Test

Charge level and charging status, where supported.

Not started
Level—
Charging—
Time to full—
Time to empty—

Checking support…

Network Test Online

Online status and browser-reported connection info.

Not started
Status—
Effective type—
Downlink estimate—
Round-trip time—
Data saver—

This is browser-reported connection information, not a measured speed test. A dedicated speed test requires a server endpoint and is not included in this build.

System / Browser Info

Everything your browser is willing to report.

Not started

All values here are browser-reported. Browsers do not expose exact CPU or GPU model information for privacy reasons.

What Is a PC Hardware Test Online?

A PC hardware test online uses capabilities built into your web browser to check whether devices such as your microphone, speakers, keyboard, mouse, webcam, display, gamepad and touch controls are responding. PCHardwareTest works as a free online PC hardware tester and can also be used for a computer hardware test online or a laptop hardware test online on supported devices. All supported tests stay on this page, so you can test your hardware without downloading software or installing a browser extension.

How to Test PC Hardware Online

Start with Quick PC Check for an overview of tests that can run automatically, then open the individual test you need. You can test PC hardware online without downloading software: choose a test from the suite, follow its instructions, and review the result directly in your browser. Permission-based tests such as the microphone and webcam only request access after you start them.

What Can You Test with an Online PC Hardware Tester?

Use this free online PC hardware tester to check common computer and laptop peripherals in your browser. You can test your keyboard, mouse, touchpad, touchscreen, webcam, microphone, speakers, headphones, display, gamepad, battery status and network connection. Supported tests run directly on this page without requiring a software download, while permission-based tests clearly explain when your browser needs access.

Browser Hardware Test Limitations

Browsers cannot read internal component temperatures, run a CPU stress benchmark, verify RAM integrity, detect a physically defective pixel, or identify your exact CPU or GPU model. Where a test would require that kind of access, this page says so directly rather than guessing.

Why Use a PC Hardware Test Online?

An online hardware test is useful when you need a quick check before troubleshooting, after connecting a new peripheral, or when checking a laptop or desktop computer. PCHardwareTest keeps supported checks in one place so you can move from a keyboard or mouse test to a webcam, microphone, screen or network test without leaving the page. Results are based only on what your browser can actually access.

Test guides

Microphone test guide

Open the microphone test, allow access, and speak normally. Watch the waveform and volume meter move with your voice, then record a short clip and play it back to check clarity.

Keyboard test guide

Click into the keyboard tester and press keys across your keyboard, including modifiers, arrows and function keys. Each key lights up on the virtual layout as it's detected.

Mouse test guide

Move your cursor inside the test area and try each button, the scroll wheel and a double-click. The corresponding indicator lights up when the browser detects the action.

Screen test guide

Step through the solid color screens in fullscreen mode against a dark room, looking closely for any spot that doesn't change color — that's a candidate for a dead or stuck pixel.

Webcam test guide

Start the camera, confirm you can see a live, correctly oriented preview, and check the reported resolution and frame rate match what you expect from your camera.

Speaker test guide

Play the left and right channel tones separately and confirm sound comes from the correct side, then use stereo and the frequency sweep to check for rattling or drop-outs.

PC Hardware Test Guides

Learn how each browser-based hardware test works, what the browser can detect, and how to check common PC and laptop peripherals before you troubleshoot or replace them.

Keyboard Test Online

Check keyboard keys, modifiers and function keys directly in your browser.

Mouse Test Online

Test mouse movement, buttons, wheel scrolling and click input.

Webcam Test Online

Check camera permission, live preview, resolution and frame-rate information.

Microphone Test Online

Check microphone input, live levels, waveform and local recording playback.

Speaker Test Online

Check left, right, stereo and tone playback using browser audio.

Headphone Test Online

Use channel and tone checks to verify headphone audio output.

Screen Test Online

Use fullscreen colors and patterns for visual display checks.

Dead Pixel Test Guide

Learn how to visually inspect a display for possible dead or stuck pixels.

Gamepad Test Online

Check controller buttons, axes and browser-visible gamepad input.

Touchscreen Test Online

Check touch input where supported by the device and browser.

Touchpad Test Online

Check pointer movement, clicks and touchpad input exposed to the browser.

Battery Test Online

View browser-exposed battery and charging information where supported.

Network Test Online

Check browser-visible online connection status and network information.

Browse all PC hardware test guides

Privacy

  • No account or sign-up required to use any test.
  • No software or browser extension download required.
  • Hardware testing runs inside your browser whenever technically possible.
  • Microphone and camera data is processed locally and is not uploaded.
  • Keyboard input is processed locally and is not uploaded.
  • Raw test data (recordings, images, keystrokes) is not collected by this site.

This page does not make a blanket “100% private” claim, since standard web hosting, advertising or analytics services, where present, can independently receive ordinary page-request data such as your IP address.

FAQ

Can I test my PC hardware online without downloading software?

Yes. Supported browser-based tests run directly on this page without an installation. Some tests require your browser to ask for permission to use a camera or microphone.

How can I test my microphone online?

Open the Microphone Test Online, allow microphone access, and speak. You will see a live waveform and volume meter respond to your voice. Recordings stay in your browser for local playback.

How can I test my keyboard online?

Open the Keyboard Test Online and press keys on your physical keyboard. Each detected key highlights on the on-screen layout.

How can I test my mouse online?

Open the Mouse Test Online and move, click and scroll inside the test area to see each action register.

How can I test my speakers online?

Open the Speaker Test Online and play the left, right, stereo and tone options while listening carefully to your speakers.

How can I test my webcam online?

Open the Webcam Test Online, allow camera access, and confirm the live preview looks correct.

How can I test my laptop hardware online?

Use the relevant tests on this page to check your laptop keyboard, mouse or touchpad, webcam, microphone, speakers, screen, battery information and network connection. Available checks depend on your browser and device.

Can a website test my screen for dead pixels?

A website cannot electrically detect a defective pixel, but the Screen Test Online uses full-screen solid colors and patterns that make dead or stuck pixels easier to spot visually.

Can a website test my CPU or GPU?

Browser hardware access is limited. This site reports only the system information that the browser exposes and does not claim to perform low-level CPU or GPU health testing.

Does the website upload microphone recordings or webcam video?

No. Microphone recordings and webcam frames are processed locally for supported tests and are not uploaded by this site.

Why does my browser ask for microphone or camera permission?

Browsers require explicit permission before a website can access your microphone or camera. The permission prompt appears only when you start a test that needs that access.

Which browsers are supported?

Current versions of Chrome, Edge, Firefox and Safari are supported, with graceful fallbacks where a specific browser API is unavailable.