Instantly verify your webcam is working with a live browser preview. Check resolution, frame rate, and image quality — perfect before video calls, streaming, or online classes. No data uploaded.
Check that your microphone is picking up audio clearly before gaming sessions, remote work calls, podcasts, or online classes. Real-time visual feedback — no data is ever uploaded.
Test every key on your keyboard for correct registration. Ideal for mechanical keyboard testing, anti-ghosting checks, switch testing, and verifying new keyboards after purchase.
Measure your WPM (words per minute) and typing accuracy with timed practice sessions. Improve your productivity, benchmark your progress, and identify which keys slow you down.
Measure how precisely you can move and click your mouse to targets. Improve your targeting accuracy for FPS games, graphic design work, and precision computing tasks.
Why Test Your Devices Before You Need Them?
There's nothing worse than jumping into a ranked game, joining a work call, or going live on stream — only to discover your microphone isn't working, your webcam is showing a black screen, or your keyboard is dropping keystrokes. AlphaCPSTest.com's Device Testing Tools exist to prevent exactly that scenario by giving you a fast, reliable way to verify all your hardware is functioning correctly, any time, for free.
Camera Test — Works in Any Modern Browser
Our Camera Test uses your browser's native WebRTC API to display a live feed from your webcam in real time. It lets you quickly confirm that your camera is recognized, enabled, and producing a clear image — without uploading a single frame to any server. Simply visit the page and grant browser permission. Works on Chrome, Firefox, Safari, and Edge.
Microphone Test — Instant Audio Feedback
The Microphone Test displays a real-time audio level indicator so you can visually confirm your mic is receiving sound. It's perfect for checking levels before streaming, gaming, or remote meetings. Like the camera test, all audio is processed locally in your browser — nothing is recorded or transmitted.
Keyboard Test — Every Key Checked
Press any key and our Keyboard Test will highlight it on an on-screen keyboard layout, confirming it registered correctly. It's the easiest way to check for ghosting (missed keystrokes when multiple keys are pressed simultaneously), dead keys, and hardware faults on any keyboard — mechanical or membrane.
Typing Speed Test — Know Your WPM
The Typing Speed Test measures your words per minute and accuracy across timed typing exercises. The average typing speed is around 40 WPM — professionals typically reach 65–80 WPM. Use our tool to find your baseline and track improvement over regular sessions.
Mouse Accuracy Test — Precision Matters
Whether you're clicking targets in a competitive shooter or working with pixel-precise design tools, mouse accuracy is critical. Our Mouse Accuracy Test generates target sequences that help you measure and improve your click precision and cursor control.