Free device test tools
Check your phone, tablet or computer right in the browser. No app, no account — and nothing you test leaves your device.
- Screen TestFill your screen with solid colors to spot dead pixels, stuck pixels and backlight bleed.
- Touch TestComing soonSwipe across a grid to find dead zones on your touchscreen, and count how many fingers it tracks.
- Speaker TestComing soonPlay left, right and both channels, plus a frequency sweep, to check your speakers or headphones.
- Mic TestComing soonSee a live level meter, record five seconds and play it back. Your audio never leaves your device.
- Camera TestComing soonPreview front and back cameras and see the resolution and frame rate you actually get.