TestIt

Test left, right & both channels with adjustable frequency

Real-time volume meter & waveform

Play tones, noise & custom frequencies

Live webcam preview

Dead pixels, color accuracy & sharpness

Hardware specs, display & network details

Windows, Mac & ChromeOS layouts

Live battery level, charging state & time

Test all buttons and axes on connected controllers

Test multi-touch support on your device

Detect your monitor's actual refresh rate

Test browser clipboard read & write

Download, upload & latency measurement

Ping multiple global endpoints

Review & export past results

Usage stats & AI feature suggestions

Customize your experience