Is your device working? Find out in 10 seconds.
Camera, microphone, screen, keyboard and 15 more tests. Everything runs in your browser. Nothing is uploaded.
19free tests
0uploads
8languages
Most used
All 19 tests ↓- Camera & Audio
Webcam Test
Live preview, resolution and fps
- Camera & Audio
Microphone Test
Level meter and 5-second recording
- Keyboard, Mouse & Controllers
Keyboard Test
Every key, rollover and ghosting
- Screen & Display
Dead Pixel Test
Full-screen colors find bad pixels
- Screen & Display
Refresh Rate Test
Your real refresh rate in Hz
- Keyboard, Mouse & Controllers
Click Speed Test
Clicks per second, 1–60 s
All tests
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No uploads
Video, sound and keystrokes are processed on your device and never reach a server.
No install
No app, no extension, no driver. Your browser is enough.
No account
No sign-up, no email, no login. Open a test and go.