Aim Trainer
Practice target acquisition and measure hits, misses, accuracy, expirations, and honest reaction-time distributions.
OpenDevice testing, simplified
Test your devices.
Fast browser tools for the hardware you use every day.
22 tools available.
Tools
22 availableBass Test – Low-Frequency Sweep & Rattle Check
Run low-frequency tones, logarithmic sweeps, step scans, and rattle pulses for speakers, subwoofers, or headphones.
OpenClick Speed Test – CPS, Pace & Consistency
Measure clicks per second with precise timing, live pace, rhythm and endurance diagnostics for mouse, touch, pen or keyboard.
OpenController Tester - Test Buttons, Axes & Drift
Test controller buttons and axes, sample stick drift and dead zones, and try supported vibration locally with the Gamepad API.
OpenDead Pixel Test
Inspect dead or stuck pixels with solid colors, custom fills, keyboard and touch controls, safe timed cycling, and optional fullscreen.
OpenDouble-Click Test – Measure Timing & Mouse Chatter
Measure intentional double-click timing and inspect unwanted rapid repeats on primary, middle, or secondary mouse buttons.
OpeneDPI Profile Workbench
Compare multiple eDPI profiles, model DPI and sensitivity changes, and keep same-game limits visible in a private browser workbench.
OpenHeadphone Test
Check headphone channels, stereo isolation, polarity cues, and image consistency with safe local tones—no microphone or uploads.
OpenMicrophone Test Online
Test your microphone locally with a live waveform, dBFS level and peak readings, device selection, and browser-reported input details.
OpenMonitor Test – Patterns for Scaling, Tone & Motion
Inspect clipping, geometry, scaling, banding, tone detail, channel ramps, inversion, and motion artifacts with guided browser patterns.
OpenMouse DPI Analyzer – Browser Movement Estimate
Estimate effective mouse DPI from measured travel and browser-reported CSS-pixel movement, with repeat trials and honest caveats.
OpenMouse Sensitivity Converter
Convert sensitivity across linear game profiles with DPI-aware cm/360, transparent factors, validation, and copyable results.
OpenMouse Test – Check Buttons, Wheel & Double-Clicks
Test mouse buttons, press and release states, double-clicks, wheel axes, movement delivery, and browser-reported extra buttons.
OpenRefresh Rate Test
Measure browser presentation cadence, frame-time stability, and delayed frames with a local requestAnimationFrame test.
OpenScroll Wheel Test – Inspect Direction, Deltas & Reversals
Test wheel direction, raw and normalized deltas, reversals, timing gaps, consistency, horizontal input, and middle-click delivery.
OpenSpacebar Counter – Presses, Pace & Timing
Count distinct spacebar presses or run a timed speed test with repeat filtering, pace, interval, and input diagnostics.
OpenSpeaker Test
Test left, right, and dual-mono routing with low-level browser-generated tones—no microphone, uploads, or permissions.
OpenStereo Test
Check channel identity, stereo balance, phantom center, pan movement, and relative phase with safe, local browser audio.
OpenTone Generator
Generate exact browser tones with safe gain ramps, timing, waveform and channel controls—fully local, private, and uncalibrated.
OpenTouchscreen Test – Multi-Touch & Coverage
Visualize touch, pen, and mouse pointers, trace screen coverage, and inspect browser-reported contact details without permissions or uploads.
OpenWebcam Mirror
Use a private live webcam mirror with true view, crop presets, zoom, positioning, framing guides, and camera selection.
OpenXbox Controller Test - Buttons, Sticks & Triggers
Test Xbox-position buttons, triggers, sticks and optional rumble using live, local browser Gamepad API readings.
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