Find your test.
56 tools. Every part of your setup. Search for a device, a test or the thing that doesn’t feel quite right.
56 tools available
Input17
Mouse Test
Buttons, scroll, double-click
DesktopScroll Wheel Test
Scroll direction, deltas & timing
DesktopPolling Rate
Measure your mouse in Hz
DesktopMouse Tracker
Plot pointer deltas live
DesktopMouse DPI Verifier
Verify your real CPI
DesktopPen Pressure Lab
Pressure, tilt, and twist live
Keyboard Test
Every key, live on screen
DesktopKeyboard Chatter Test
Find rapid repeated key presses
DesktopKey Rollover
N-key & ghosting check
DesktopTyping Speed
WPM, accuracy & raw speed
DesktopClick Speed
Clicks per second, six modes
Reaction Time
How fast you react in ms
Aim Trainer
Grid-shot flicks & accuracy
DesktopGamepad Test
Buttons, sticks, triggers
Stick Drift
Drift & circularity visualizer
Trigger Pressure
Analog L2/R2 linearity
Touchscreen
Multi-touch & dead zones
MobileAudio7
Microphone Test
Waveform, spectrum, level meter, record & playback
Speakers & Headphones
Left, right, stereo, frequency, noise
Headphone Quality
Phase, binaural, swap, width
Hearing Range
Find your high-frequency cutoff
ABX Audio Test
Blind A/B/X audiophile test
Frequency Sweep
20 Hz – 20 kHz
MIDI Monitor
Live MIDI keys, CCs, pitch & log
DesktopDisplay11
Dead Pixel Test
Find stuck or dead pixels
Backlight Bleed
Spot bleed, glow, and dirt
Refresh Rate
Measure your display Hz with frame-time chart & motion test
Response Time
Ghosting & overshoot
DesktopColor & Gamma
Calibration check
Gamma Calibrator
Perceptual gamma match & verify
Gradient & Banding
Smooth gradients reveal bit depth
Black Level
Distinguish near-black, near-white
Color Gamut
sRGB vs P3 vs Rec.2020
VRR Verifier
Verify G-Sync / FreeSync
DesktopMulti-Monitor
Detect every connected display
DesktopWebcam1
Sensors6
System10
GPU Info
WebGL renderer & vendor
WebGPU Info
GPU adapter & compute
System Info
Cores, memory, platform
CPU & Thermal
Apply browser CPU load
DesktopDisk Speed
OPFS read/write benchmark
WebAssembly Benchmark
JS vs Wasm vs SIMD speedup
Permissions Dashboard
Status of every Web API permission
Network
Latency & connection info
Network Quality
Jitter, loss, percentile RTT
Bufferbloat
Latency under load — A to F grade