Every hardware test in one place
Browse 90 free online testing tools organised by category — keyboard, mouse, display, camera, audio, utility and gaming diagnostics.
🛠 90 tools across 7 categoriesKeyboard
10 toolsTest keyboard functionality, detect ghosting, measure latency, check for stuck keys
Measure WPM, accuracy, and typing consistency
Test device and input latency in your browser
Count how many spacebar presses you can make in 5, 10, or 30 seconds
Measure your keyboard key repeat rate (Hz) and initial delay (ms) in your browser
Visualize your inter-keystroke timing patterns and get a rhythm consistency score
Classify your mechanical keyboard switches as linear, tactile, or clicky using mic FFT analysis
Find keys that register twice from a single press with configurable threshold and per-key stats
Estimate keyboard Hz using browser auto-repeat timing measurement
Press any key combination and instantly see what it does on Windows, macOS and Linux
Mouse
15 toolsCheck mouse buttons, scroll wheel, cursor movement, and responsiveness
Measure your click speed (CPM or CPS) with timed tests
Test DPI, sensitivity, and tracking accuracy
Visualize mouse movement trails and precision
Detect unintended or phantom clicks
Check if your gaming mouse runs at 125Hz, 500Hz, 1000Hz or higher
Measure your gaming mouse lift-off distance to optimize sensor performance
Aim trainer benchmark — measure hit percentage, average pixel error, and reaction time per target
Measure drag-click CPS, peak burst rate, and total clicks with live timeline graph
Measure right-mouse-button CPS with browser context menu suppressed
Measure true mouse DPI by dragging a known distance or entering pixel and inch values manually
Calculate effective DPI (DPI x sensitivity) and cm/360 for CS2, Valorant, Apex and other FPS games
Detect idle cursor drift and sensor jitter with a 10s-3min pointer-event sampler and pass/fail verdict
Compare slow vs fast swipe pixels to catch Windows pointer acceleration or firmware-level sensor acceleration
Counts full 360° mouse rotations over 15/30/60 s with peak spins-per-second and direction indicator
Display
23 toolsDetect dead, stuck, or hot pixels on screens
Detect if your display runs at 60Hz, 144Hz, 240Hz or higher
Check color accuracy, gradient banding and backlight uniformity
Check your LCD monitor for backlight bleed, IPS glow, and clouding
Test for dead zones, ghost touches and multi-touch on phone or tablet
Check if your monitor uses PWM backlight dimming that can cause eye strain
Visual gamma calibration check using stripe-blend pattern, target sRGB 2.2
Detect pixel response time issues with adjustable-speed moving box on color backgrounds
Check shadow detail with 32 near-black patches, detect crushed blacks
Check highlight detail with 32 near-white patches, detect clipped whites
11-step grayscale ladder to verify brightness, contrast, and gamma calibration
Checkerboard vs 50% gray squint test for contrast and gamma calibration
Compute pixels per inch, dot pitch, aspect ratio and megapixels for any display from resolution + diagonal
Type any two of width, height, or ratio. Auto-simplifies to lowest integer terms and renders a live preview
Compute diagonal, width, height and visible area from aspect ratio plus any one dimension — in inches and cm
Optimal TV/monitor viewing distance by THX (36° FoV), SMPTE (30° FoV), and the 4K/8K resolving-limit
Live frame rate measurement with avg/min/max/1%-low plus 60/120/144/165/240Hz detection
Live readout of screen resolution, native pixels, device pixel ratio, color depth, and gamut
Cycle 8 solid colors, fine checkerboard, and scrolling refresher fullscreen to detect OLED burn-in
Detect Full RGB (0-255) vs Limited (16-235) via near-black and near-white patch grids
Fullscreen gray/black/white/RGB at any brightness to spot clouding, IPS glow, and backlight bleed
Detects dropped or skipped frames at your refresh rate with rAF timestamp analysis and a visual reference bar
Lagom-style 1px pixel grid, multi-size text samples, color-fringing blocks, and an RGB sub-pixel ruler to evaluate display sharpness
Camera
2 toolsAudio
10 toolsVerify microphone input and audio levels
Test stereo channels and sound output
Live dB SPL measurement using your microphone with peak and rolling average
Speaker and headphone channel verifier plus 100 Hz → 10 kHz frequency sweep
Subwoofer and low-frequency sweep (20 Hz → 200 Hz) with ISO 1/3-octave bass presets
Full-range 20 Hz → 20 kHz log sweep with hearing-limit logging and manual tone slider
Measure how fast you respond to a sound cue in milliseconds using the Web Audio API
5.1 and 7.1 channel walk-around to verify speaker wiring, with stereo panning fallback for headphones
Sing or play any note. Get live Hz, nearest note (C0-C8), octave, and cents off perfect pitch
Mosquito tone hearing test - 12 frequencies from 8 kHz to 22 kHz to estimate your hearing age
Utility
21 toolsExtract text from images quickly
Scan QR codes with camera or image upload
Create custom QR codes instantly
Create strong, secure passwords instantly
Create clickable WhatsApp chat links
Create branded WhatsApp links and QR codes
Analyze chat sentiment and tone
Detect IP address leaks through your browser even when using a VPN, IPv4 + IPv6 + local
Live X/Y/Z acceleration readout in m/s² with tilt ball, shake counter, and peak-g tracking
Live alpha/beta/gamma rotation readout with 3D cube, compass ring, and calibrate-to-zero
Phone haptics patterns (Vibration API) and gamepad rumble per-motor intensity in one tool
Multi-threaded WebWorker SHA-256 busy loop to load every logical core and report ops per second
Check WebGPU, WebGL2, WebNN and browser AI readiness with a safe matrix compute benchmark
WebGL2 Mandelbrot fragment shader benchmark that pushes any GPU and reports FPS, minimum FPS, and software-rendering fallback
Browser heap monitor with live performance.memory readout, allocation stressor, and safe auto-abort
Convert CAS latency (CL) and memory speed (MT/s) to real nanoseconds, compare DDR4 vs DDR5 kits side by side
Solve for transfer time, file size, or required speed - handles bits vs bytes math automatically
Estimate download duration for games, movies, and backups at your connection speed with realistic overhead
Usable capacity and fault tolerance for RAID 0/1/5/6/10/50/60 with side-by-side level comparison
Actual-size cm and inch ruler on screen with credit-card calibration (ISO ID-1) and DPI presets
Chat with the site's AI helper — it picks the right hardware test, links you to it, and explains the result in 8 languages
Gaming
9 toolsTest PS5, Xbox, Switch and PC controller buttons, stick drift and triggers
Measure how fast you react with a browser-based millisecond reflex test
Convert field of view across aspect ratios and games with presets for CS2, Valorant, Apex, CoD and Fortnite
Design a custom crosshair with live preview, PNG export, CS2 console command, and Valorant settings values
Actions-per-minute counter for RTS & MOBA players — live APM, peak, and session average
Random gamer names across 6 styles with length limits for Xbox, PSN, Steam, and Discord
Random MMO guild and clan names across 6 themes and 5 templates, with WoW/FFXIV/Destiny length limits
Time-to-kill math for FPS games with body vs head comparison, armor handling, and CS2/Valorant/Apex/CoD presets
Pixel circle, filled disc, thick ring, and 3D sphere layer plotter for Minecraft builders, radius 1-256