Professional Hardware &
Input Device Diagnostics
Test and analyze your keyboard, mouse, gamepad, audio devices, display, and more with laboratory-grade browser tools. Accurate results, real-time telemetry, and certified reports – all for free.
Hardware Acting Up? Find the Fix in 2 Clicks
Select your device and symptom to get the exact laboratory test, free software fix, and hardware resolution.
Double-Clicking Detected
Switch BounceMechanical copper leaf switches bounce microscopically under 80ms. Test switch actuation speed online and run our free ClickShield™ filter to stop unwanted double clicks.
Diagnostic Stations & Profilers
Comprehensive testing tools for all your hardware devices
Bluetooth Audio Latency
Measure wireless earbud sound delay in ms and calibrate video lip-sync.
Monitor Frame Pacing
Diagnose micro-stuttering, dropped frames, and G-Sync/FreeSync jitter.
Mouse Lift-Off Distance
Test optical sensor cutoff height & cursor drift during mouse resets.
Monitor PPI & Size Calculator
Compare screen sizes to scale, calculate PPI, dot pitch, & dimensions.
Room Reverb & Echo RT60
Analyze microphone acoustic decay time (RT60) and room sound clarity.
Reflex Reaction Benchmark
Test sight vs sound reaction speed with global percentile esports rank.
Headphone 3D Audio & Polarity
360° HRTF binaural orbit, channel separation, and 180° phase test.
Mouse Acceleration & Raw Input
Pointer Lock 1:1 linear tracking test to detect Windows curve warp.
Microphone Gain Clipping
Real-time dBFS VU meter, digital 0dBFS clipping detector, & noise floor.
Monitor Black Level & Contrast
Calibrate 0-255 black crush, white clipping, and optical Gamma 2.2.
Controller Trigger & Throttle
Test LT/RT 0.000-1.000 analog travel linearity, deadzones, & hair-triggers.
Keyboard Polling Rate (8000Hz)
Sub-millisecond packet interval delta, scan latency, & burst Hz tracker.
Keyboard Tester
Test keys, NKRO, rollover, and key response time.
Mouse & CPS Checker
Check clicks, DPI, movement, and polling rate.
Scroll Jump Tester
Detect and fix scroll issues like jumpy or reverse scrolling.
Mouse Polling Rate
Measure actual polling rate (Hz) and latency.
Gamepad & Controller
Test buttons, sticks, triggers and vibration.
Display & Screen Tester
Check dead pixels, colors, resolution and more.
Microphone Audio Check
Test mic input, audio levels and noise detection.
Speaker & Sound Test
Play test tones and check audio output quality.
Webcam Calibration
Test webcam, resolution, frame rate and focus.
Drawing Tablet & Touch
Test pen pressure, touch points and multi-touch.
Audio & Bluetooth
Test audio devices, Bluetooth connectivity and latency.
USB-C Profiler
Check USB-C features, PD, display support and speed.
Certified Report
Generate verifiable hardware audit PDF certificate with SHA-256 hash.
PC Hardware Specs
Detect CPU cores, GPU renderer, system memory RAM, and screen geometry.
Battery Health
Monitor live charging slopes, discharge rates, and cycle health.
LAN & Jitter
Test Ethernet port reliability, ping variance, and network cable jitter.
Diagnose Hardware in 1-Click.
Directly From Your Browser.
Never lose track of faulty switches, sticky keys, or mouse stutter. The InputTest Chrome Extension puts a precision laboratory right inside your browser toolbar. Test CPS speed, detect double-clicks, and verify keys in seconds.
Install InputTest Chrome Extension
100% Free • No Permissions Required • Runs 100% Locally
Click below to download the official ZIP package to your computer.
Open a new tab and go to chrome://extensions, then turn ON Developer mode in the top right.
Unzip the package, click "Load unpacked", and select the folder. You’re all set!
Hardware Telemetry Verification
Get accurate, real-time data about your input devices including polling rate, latency, and performance metrics.
Stuck With Windows Glitches?
Meet Pexoris™ 1-Click Portable Utilities.
Beyond online browser diagnostics, real Windows troubleshooting requires system-level precision. Pexoris builds standalone, ultra-lightweight C# utilities to solve locked files, port conflicts, stuck print queues, and telemetry clutter — zero installer, zero registry bloat.
Pexoris FileUnlocker
Instantly identifies and terminates processes locking files or folders (via Restart Manager). Unlock or force-delete in 1 click.
Pexoris PortKiller
Port 80, 3000, 8080, or 5000 busy? Finds PID holding the socket, inspects process name, and force-terminates stuck daemons.
Pexoris PrintFixer
Stops Print Spooler, safely purges corrupt shadow files in spool\PRINTERS, and restarts service without PC reboot.
Pexoris AIShield & DoH
Disables invasive Windows Recall snapshots & DiagTrack telemetry. 1-click switch to encrypted DNS (Cloudflare / AdGuard / Google).
Diagnostic-Approved Peripherals & Gear
Don't replace failing peripherals with the same flaws. Curated hardware tested for optical switches, Hall Effect anti-drift, and low latency.
Razer DeathAdder V3 (Optical Gen-3)
Uses infrared light beam shutters instead of metal contact plates; physically immune to double-click chatter.
GameSir G7 SE Wired Controller
Contactless magnetic sensors eliminate potentiometer carbon friction. Scored 0.8% circularity error on our benchmark.
DrunkDeer A75 Rapid Trigger Keyboard
Continuous Rapid Trigger dynamically resets actuation the moment you release key pressure for competitive FPS strafing.
Fifine AmpliGame A6V USB Microphone
Cardioid polar pattern isolates your voice while eliminating background keyboard clatter and ambient fan hum.
Looking for Webcams, Studio Mics, or Custom Mechanical Keyboards?
Explore our comprehensive 50-device benchmark buyer's guide with verified Amazon pricing.
Hardware Diagnostic Manuals
Step-by-step guides to fix common hardware issues and optimize your devices.
Fix Keyboard Keys Not Registering or Chattering
Diagnose and fix common keyboard issues with detailed troubleshooting steps.
How to Detect & Fix Mouse Double-Clicking
Learn how to identify and resolve mouse double-clicking problems and worn switch leaves.
Flickering Monitor Fix (HDMI / DP)
Step-by-step guide to fix display flickering, frame drops, and cable connection issues.