Every hardware test in one place
All Tools
Every hardware test in one place
Browse 91 free online testing tools organised by category — keyboard, mouse, display, camera, audio, utility and gaming diagnostics.
Keyboard
10 tools
Test keyboard functionality, detect ghosting, measure latency, check for stuck keys
Test your keyboard
Measure WPM, accuracy, and typing consistency
Check typing speed
Test device and input latency in your browser
Measure latency
Count how many spacebar presses you can make in 5, 10, or 30 seconds
Test your spacebar
Measure your keyboard key repeat rate (Hz) and initial delay (ms) in your browser
Test repeat rate
Visualize your inter-keystroke timing patterns and get a rhythm consistency score
Analyze rhythm
Hear linear, tactile and clicky switch sounds, then use your mic to test your own keyboard's switch type, frequency spectrum and loudness
Test sound
Find keys that register twice from a single press with configurable threshold and per-key stats
Detect chatter
Estimate keyboard Hz using browser auto-repeat timing measurement
Check keyboard polling
Press any key combination and instantly see what it does on Windows, macOS and Linux
Try a shortcutMouse
15 tools
Check mouse buttons, scroll wheel, cursor movement, and responsiveness
Test your mouse
Measure your click speed (CPM or CPS) with timed tests
Check click speed
Test DPI, sensitivity, and tracking accuracy
Test DPI settings
Visualize mouse movement trails and precision
View mouse trails
Detect unintended or phantom clicks
Detect ghost clicks
Check if your gaming mouse runs at 125Hz, 500Hz, 1000Hz or higher
Check mouse polling
Measure your gaming mouse lift-off distance to optimize sensor performance
Test LOD
Aim trainer benchmark — measure hit percentage, average pixel error, and reaction time per target
Test your aim
Measure drag-click CPS, peak burst rate, and total clicks with live timeline graph
Test drag clicks
Measure right-mouse-button CPS with browser context menu suppressed
Test right CPS
Measure true mouse DPI by dragging a known distance or entering pixel and inch values manually
Measure DPI
Calculate effective DPI (DPI x sensitivity) and cm/360 for CS2, Valorant, Apex and other FPS games
Calculate eDPI
Detect idle cursor drift and sensor jitter with a 10s-3min pointer-event sampler and pass/fail verdict
Test drift
Compare slow vs fast swipe pixels to catch Windows pointer acceleration or firmware-level sensor acceleration
Test acceleration
Counts full 360° mouse rotations over 15/30/60 s with peak spins-per-second and direction indicator
Start spinningDisplay
23 tools
Detect dead, stuck, or hot pixels on screens
Test your screen
Detect if your display runs at 60Hz, 144Hz, 240Hz or higher
Test refresh rate
Check color accuracy, gradient banding and backlight uniformity
Test colorsCheck your LCD monitor for backlight bleed, IPS glow, and clouding
Test for bleed
Test for dead zones, ghost touches and multi-touch on phone or tablet
Test touch screen
Check if your monitor uses PWM backlight dimming that can cause eye strain
Test for flicker
Visual gamma calibration check using stripe-blend pattern, target sRGB 2.2
Test gamma
Detect pixel response time issues with adjustable-speed moving box on color backgrounds
Test ghosting
Check shadow detail with 32 near-black patches, detect crushed blacks
Test black level
Check highlight detail with 32 near-white patches, detect clipped whites
Test white level
11-step grayscale ladder to verify brightness, contrast, and gamma calibration
Test brightness
Checkerboard vs 50% gray squint test for contrast and gamma calibration
Test contrast
Compute pixels per inch, dot pitch, aspect ratio and megapixels for any display from resolution + diagonal
Calculate PPI
Type any two of width, height, or ratio. Auto-simplifies to lowest integer terms and renders a live preview
Open calculator
Compute diagonal, width, height and visible area from aspect ratio plus any one dimension — in inches and cm
Calculate size
Optimal TV/monitor viewing distance by THX (36° FoV), SMPTE (30° FoV), and the 4K/8K resolving-limit
Find distance
Live frame rate measurement with avg/min/max/1%-low plus 60/120/144/165/240Hz detection
Start FPS test
Live readout of screen resolution, native pixels, device pixel ratio, color depth, and gamut
See resolution
Cycle 8 solid colors, fine checkerboard, and scrolling refresher fullscreen to detect OLED burn-in
Test burn-in
Detect Full RGB (0-255) vs Limited (16-235) via near-black and near-white patch grids
Test RGB rangeFullscreen gray/black/white/RGB at any brightness to spot clouding, IPS glow, and backlight bleed
Test uniformity
Detects dropped or skipped frames at your refresh rate with rAF timestamp analysis and a visual reference bar
Detect skipped frames
Lagom-style 1px pixel grid, multi-size text samples, color-fringing blocks, and an RGB sub-pixel ruler to evaluate display sharpness
Test sharpnessCamera
2 toolsAudio
10 tools
Verify microphone input and audio levels
Test your microphone
Test stereo channels and sound output
Test audio output
Live relative dB meter with graph, min/avg/max stats, spectrum, microphone selection, and calibration offset
Open meter
Speaker and headphone channel verifier plus 100 Hz → 10 kHz frequency sweep
Test sound
Subwoofer and low-frequency sweep (20 Hz → 200 Hz) with ISO 1/3-octave bass presets
Test bass
Full-range 20 Hz → 20 kHz log sweep with hearing-limit logging and manual tone slider
Start hearing test
Measure how fast you respond to a sound cue in milliseconds using the Web Audio API
Start sound test
5.1 and 7.1 channel walk-around to verify speaker wiring, with stereo panning fallback for headphones
Test surround
Sing or play any note. Get live Hz, nearest note (C0-C8), octave, and cents off perfect pitch
Open pitch detector
Mosquito tone hearing test - 12 frequencies from 8 kHz to 22 kHz to estimate your hearing age
Test hearing ageUtility
22 tools
Extract text from images quickly
Extract text now
Scan QR codes with camera or image upload
Scan QR codes
Create custom QR codes instantly
Create QR code
Create strong, secure passwords instantly
Generate password
Create clickable WhatsApp chat links
Generate chat link
Create branded WhatsApp links and QR codes
Create brand link
Deep AI tone report for chats and text
Analyze chat tone
Spin a random picker wheel for names, teams, prizes, and quick choices
Spin the wheel
Detect IP address leaks through your browser even when using a VPN, IPv4 + IPv6 + local
Check IP leak
Live X/Y/Z acceleration readout in m/s² with tilt ball, shake counter, and peak-g tracking
Test motion sensor
Live alpha/beta/gamma rotation readout with 3D cube, compass ring, and calibrate-to-zero
Test rotation sensor
Phone haptics patterns (Vibration API) and gamepad rumble per-motor intensity in one tool
Test vibration
Multi-threaded WebWorker SHA-256 busy loop to load every logical core and report ops per second
Stress the CPU
Check WebGPU, WebGL2, WebNN and browser AI readiness with a safe matrix compute benchmark
Test AI GPU readiness
WebGL2 Mandelbrot fragment shader benchmark that pushes any GPU and reports FPS, minimum FPS, and software-rendering fallback
Stress the GPU
Browser heap monitor with live performance.memory readout, allocation stressor, and safe auto-abort
Open memory test
Convert CAS latency (CL) and memory speed (MT/s) to real nanoseconds, compare DDR4 vs DDR5 kits side by side
Calculate RAM latency
Solve for transfer time, file size, or required speed - handles bits vs bytes math automatically
Open bandwidth calc
Estimate download duration for games, movies, and backups at your connection speed with realistic overhead
Estimate download time
Usable capacity and fault tolerance for RAID 0/1/5/6/10/50/60 with side-by-side level comparison
Calculate RAID
Actual-size cm and inch ruler on screen with credit-card calibration (ISO ID-1) and DPI presets
Open ruler
Chat with the site's AI helper — it picks the right hardware test, links you to it, and explains the result in 9 languages
Open AI chatGaming
9 tools
Test PS5, Xbox, Switch and PC controller buttons, stick drift and triggers
Test controller
Measure how fast you react with a browser-based millisecond reflex test
Test reaction time
Convert field of view across aspect ratios and games with presets for CS2, Valorant, Apex, CoD and Fortnite
Convert FoV
Design a custom crosshair with live preview, PNG export, CS2 console command, and Valorant settings values
Open generator
Actions-per-minute counter for RTS & MOBA players — live APM, peak, and session average
Measure APM
Random gamer names across 6 styles with length limits for Xbox, PSN, Steam, and Discord
Generate names
Random MMO guild and clan names across 6 themes and 5 templates, with WoW/FFXIV/Destiny length limits
Generate guild names
Time-to-kill math for FPS games with body vs head comparison, armor handling, and CS2/Valorant/Apex/CoD presets
Calculate TTK
Pixel circle, filled disc, thick ring, and 3D sphere layer plotter for Minecraft builders, radius 1-256
Plot a circleYour ad should not disappear
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