🎧 Device Testing Tools
Check that your device hardware works correctly. Test speakers for stereo balance, microphone quality, battery health, screen refresh rate, subwoofer bass, and vibration motor — all free in your browser.
USB Drive Tester
Detect fake USB drives and verify real capacity — like h2testw, but in your browser.
Speaker Cleaner
Remove water and dust from your phone speaker using calibrated sound frequencies. The same technology used by Apple Watch — now free for any device in your browser.
Speaker & Headphone Test
Test your speakers, headphones, or surround system right in the browser.
Microphone Test
Check if your microphone works — test volume, sensitivity, noise floor, and audio quality in the browser.
Mic Noise Test
Test your microphone for noise, identify the problem type, and get step-by-step fix instructions.
Vibration Test
Test your device vibration motor with patterns, diagnostics, and a custom builder.
Subwoofer Test
Test your subwoofer with tone generator, frequency sweeps, bass drops, diagnostics, and room mode calculator.
Refresh Rate Test
Measure your monitor refresh rate with precision frame timing. Detect Hz, analyze jitter, explore display capabilities, and test motion smoothness — all in your browser.
Battery Checker
Free online battery checker.
Dead Pixel Test
Check your screen for dead, stuck, and hot pixels with 21 test patterns and built-in repair tool
Phone Display Test
Check your phone screen for dead pixels, touch issues, backlight bleed, burn-in, and color accuracy.
Camera Test
Test your webcam for resolution, FPS, sharpness, noise, lighting, and color accuracy.
Keyboard Test
Test every key, detect ghosting, measure latency and typing speed
Gyroscope Test
Test your phone's gyroscope, accelerometer, and motion sensors. 3D visualization, spirit level, graphs, accuracy test, CSV export.
Bluetooth Audio Test
Test any Bluetooth audio device: headphones, speakers, earbuds, car audio. Measure latency, check speaker channels, test mic quality.
Printer Test
Check your printer in seconds with Quick Test or run detailed diagnostics with Professional mode. Color bars, nozzle check, grayscale, text sharpness, and more.
Click Speed Test
Measure your clicks per second with multiple modes and timers
Screen Burn-In Test
Test your OLED or LCD screen for burn-in and image retention with fullscreen solid colors and burn-in pattern overlays.
Mouse Test
Test every mouse button, scroll wheel, and drag tracking
Touchscreen Test
Test multitouch, dead zones, ghost touches, latency and pressure sensitivity on any touchscreen device
Typing Speed Test
Measure your typing speed in words per minute with real-time accuracy tracking
Monitor Color Test
Check color accuracy, gamma, contrast, and gradients — all in the browser
Gamepad Test
Test your controller buttons, sticks, triggers and vibration online
GPU Benchmark
WebGL-based GPU benchmark that tests particles, 3D geometry, and shaders. Produces a score from 0 to 10,000. Includes stress test mode.
CPU Benchmark
Test your processor speed with single-thread and multi-thread benchmarks
HDR Display Test
HDR detection, visual tests, diagnostics & scoring
