Device check
Mic not working minutes before a call? Checking a second-hand keyboard or monitor? Test it right now, no install needed.
KEY
Keyboard Tester NEW
Check every key and rollover
MIC
Microphone Test NEW
Is your mic working? Check now
CAM
Webcam Test NEW
Check camera, resolution and fps
PIXEL
Dead Pixel Test NEW
Solid colors to spot bad pixels
● REC
Screen Recorder NEW
Record your screen, no install
타수
Typing Speed Test NEW
Measure your WPM and accuracy
How these checks work
For the microphone, camera and screen recorder your browser asks for permission first. Audio and video stay on your computer and are never sent anywhere. Close the tab and they stop.