Private by default
Camera previews, recordings, and key presses stay on your device.
Check what’s working.
Run a quick test, understand what it tells you, and find the next step when something is off.
Choose a test
Start with the part of your setup you want to check.
Webcam test
See the camera stream your browser receives.
Microphone test
Check whether sound reaches the browser.
Headphone test
Check left and right audio output.
Keyboard test
See which key events arrive in the page.
Mouse test
Check clicks, movement, and scroll.
Screen test
Inspect the panel with simple colour fields.
Touchscreen test
Try taps and movement on a touch surface.
Gamepad test
See the controller inputs your browser receives.
Reaction time test
Try a local visual click-response check.
Internet connection test
Read the browser’s current connection status.
QR code test
Scan a large QR code with another device.
Print test page
Inspect browser print preview before printing.
PDF test
Preview and download a small local PDF.
Sound test
Play simple local audio tones.
Image test
Inspect and download a local image pattern.
Movie test
Run a local moving image pattern.
No tests match that search. Try “camera”, “mic”, or “keyboard”.
Get ready for your next call.
Check the three things that can hold up a meeting before it starts.
Built for a useful answer.
How our tests workClear about limits
Every tool explains what it can check—and what it cannot.
Next steps included
Practical troubleshooting is part of each test, not a separate search.