Pre-Call Check Express
Run the essential checks in two minutes. Ideal right before a client call or a gaming session.
✨ 100% runs in your browser • Zero video transmission
Test your hardware before every important meeting.
Check your camera, mic and audio in seconds. Simple, private and nothing to install.
Diagnostic previewA quick look at your setup
DemoSimulated preview — click a device to test it for real.
Hardware tests
A setup that's ready, before every meeting.
Every device, on its own
Mic, webcam, keyboard, mouse, screen sharing or dead pixels: run only the test you need.
Clear checks, instant results.
Diagnostics you can trust.
No. Every test runs in your browser using native Web APIs. No stream is ever sent to a DeskCheckup server.
100% in the browser
No server receives your audio or video streams.
No video transmitted
The preview stays local and stops when you leave the test.
On-demand permissions
Each access is requested only when the test starts.
All tools
Choose your diagnostic
2 min
Pre-Call Check Express
RecommendedReview your microphone, webcam, keyboard, mouse and screen sharing before a meeting.
1 min
Microphone Tester
Check microphone access and watch the sound level live.
30 sec
Webcam Tester
Show a local preview to check that your camera works.
Open-ended
Keyboard Tester
Check that every key you press is detected by the browser.
Open-ended
Mouse Tester
Test the buttons, pointer movement and scroll wheel.
30 sec
Screen Sharing Tester
Check sharing a screen, a window or a tab.
2 min
Dead Pixel Tester
Full screen with pure color palettes to spot stuck pixels.
About to join a call? Check first.
Run an express diagnostic, with nothing to install and without sending your streams.