Browser Testing Hub
All 23 tests. Every one runs on your device and shows a result in seconds.
Screen Tests
- Screen Size ComparisonCompare display dimensions, area, shape, and PPI
- Test for Dead Pixels on MonitorFind dead or stuck pixels with solid colors
- White Screen TestSpot dust, tint, and dark pixels
- Black Screen TestPure black and near-black fullscreen levels
- Backlight Bleed TestSeparate fixed light leaks from IPS glow
- Screen Uniformity TestCheck panel evenness on 50% gray
- White Brightness ScreenFullscreen pure, cool, neutral, or warm light
Speed & Graphics
Sound & Calls
- Test Stereo SoundCheck left, right, center, and frequency bands
- Call Quality TestCamera, mic, and WebRTC before a meeting
- HEVC TestReal H.265 playback plus codec hints
- Video Codec IdentifierInspect common video codec and container tags locally
- Video Bitrate CalculatorCalculate file size, bitrate, duration, and stream ceiling
- Notifications TestPermission status and a test notification