All tools
Every hardware test, in one place. Filter by category or search.
Mouse Test
Buttons, scroll, double-click
Polling Rate
Measure your mouse in Hz
Mouse Tracker
Plot pointer deltas live
Mouse DPI Verifier
Verify your real CPI
Pen Pressure Lab
Pressure, tilt, and twist live
Keyboard Test
Every key, live on screen
Key Rollover
N-key & ghosting check
Typing Speed
WPM, accuracy & raw speed
Click Speed
Clicks per second, six modes
Reaction Time
How fast you react in ms
Aim Trainer
Grid-shot flicks & accuracy
Gamepad Test
Buttons, sticks, triggers
Stick Drift
Drift & circularity visualizer
Trigger Pressure
Analog L2/R2 linearity
Touchscreen
Multi-touch & dead zones
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
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
Color & 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
Multi-Monitor
Detect every connected display
Webcam Test
Live preview, resolution, FPS, front/back, snapshots
Battery
Level & charging state
Gyroscope
Tilt visualizer
GPS Accuracy
Live location & accuracy
Vibration Motor
Haptic check
Motion Meter
G-force, steps & shake detector
Compass Lab
Heading, field strength & interference
GPU Info
WebGL renderer & vendor
WebGPU Info
GPU adapter & compute
System Info
Cores, memory, platform
CPU & Thermal
Apply browser CPU load
Disk 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
WebRTC IP Leak
What your browser leaks via WebRTC
Fingerprint Mirror
See your browser like trackers do
Contrast Checker
WCAG ratio with live preview
Color Blindness Sim
Protan / deuter / trit / achroma