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
Keyboard Tester preview 5.0 (9)
Keyboard Tester

Test keyboard functionality, detect ghosting, measure latency, check for stuck keys

Test your keyboard
Typing Speed Test preview 5.0 (2)
Typing Speed Test

Measure WPM, accuracy, and typing consistency

Check typing speed
Latency Checker preview 5.0 (1)
Latency Checker

Test device and input latency in your browser

Measure latency
Spacebar Speed Test preview 5.0 (1)
Spacebar Speed Test

Count how many spacebar presses you can make in 5, 10, or 30 seconds

Test your spacebar
Key Repeat Rate Tester preview 5.0 (2)
Key Repeat Rate Tester

Measure your keyboard key repeat rate (Hz) and initial delay (ms) in your browser

Test repeat rate
Typing Rhythm Fingerprint preview 5.0 (1)
Typing Rhythm Fingerprint

Visualize your inter-keystroke timing patterns and get a rhythm consistency score

Analyze rhythm
Keyboard Sound Test preview 5.0 (2)
Keyboard Sound Test

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
Keyboard Chatter Detector preview 5.0 (1)
Keyboard Chatter Detector

Find keys that register twice from a single press with configurable threshold and per-key stats

Detect chatter
Keyboard Polling Rate Test preview 5.0 (1)
Keyboard Polling Rate Test

Estimate keyboard Hz using browser auto-repeat timing measurement

Check keyboard polling
Keyboard Shortcut Identifier preview 5.0 (1)
Keyboard Shortcut Identifier

Press any key combination and instantly see what it does on Windows, macOS and Linux

Try a shortcut

Mouse

15 tools
Mouse Tester preview 5.0 (1)
Mouse Tester

Check mouse buttons, scroll wheel, cursor movement, and responsiveness

Test your mouse
Mouse Speed Tester preview 4.1 (9)
Mouse Speed Tester

Measure your click speed (CPM or CPS) with timed tests

Check click speed
Mouse Sensitivity / DPI preview 3.4 (5)
Mouse Sensitivity / DPI

Test DPI, sensitivity, and tracking accuracy

Test DPI settings
Mouse Trail preview 5.0 (1)
Mouse Trail

Visualize mouse movement trails and precision

View mouse trails
Ghost Click Detector preview 5.0 (1)
Ghost Click Detector

Detect unintended or phantom clicks

Detect ghost clicks
Mouse Polling Rate Test preview 5.0 (2)
Mouse Polling Rate Test

Check if your gaming mouse runs at 125Hz, 500Hz, 1000Hz or higher

Check mouse polling
Mouse LOD Tester preview 5.0 (1)
Mouse LOD Tester

Measure your gaming mouse lift-off distance to optimize sensor performance

Test LOD
Mouse Accuracy Test preview 5.0 (5)
Mouse Accuracy Test

Aim trainer benchmark — measure hit percentage, average pixel error, and reaction time per target

Test your aim
Mouse Drag Click Test preview 5.0 (1)
Mouse Drag Click Test

Measure drag-click CPS, peak burst rate, and total clicks with live timeline graph

Test drag clicks
Right Click CPS Test preview 5.0 (1)
Right Click CPS Test

Measure right-mouse-button CPS with browser context menu suppressed

Test right CPS
Mouse DPI Calculator preview 5.0 (1)
Mouse DPI Calculator

Measure true mouse DPI by dragging a known distance or entering pixel and inch values manually

Measure DPI
eDPI Calculator preview 5.0 (1)
eDPI Calculator

Calculate effective DPI (DPI x sensitivity) and cm/360 for CS2, Valorant, Apex and other FPS games

Calculate eDPI
Mouse Drift Test preview 5.0 (1)
Mouse Drift Test

Detect idle cursor drift and sensor jitter with a 10s-3min pointer-event sampler and pass/fail verdict

Test drift
Mouse Acceleration Test preview 5.0 (1)
Mouse Acceleration Test

Compare slow vs fast swipe pixels to catch Windows pointer acceleration or firmware-level sensor acceleration

Test acceleration
Mouse Spin Test preview 5.0 (1)
Mouse Spin Test

Counts full 360° mouse rotations over 15/30/60 s with peak spins-per-second and direction indicator

Start spinning

Display

23 tools
Screen Tester preview Rate
Screen Tester

Detect dead, stuck, or hot pixels on screens

Test your screen
Monitor Refresh Rate Test preview 5.0 (1)
Monitor Refresh Rate Test

Detect if your display runs at 60Hz, 144Hz, 240Hz or higher

Test refresh rate
Monitor Color Test preview 5.0 (1)
Monitor Color Test

Check color accuracy, gradient banding and backlight uniformity

Test colors
Backlight Bleed Test preview 5.0 (2)
Backlight Bleed Test

Check your LCD monitor for backlight bleed, IPS glow, and clouding

Test for bleed
Touch Screen Test preview 5.0 (1)
Touch Screen Test

Test for dead zones, ghost touches and multi-touch on phone or tablet

Test touch screen
PWM Flicker Test preview 5.0 (1)
PWM Flicker Test

Check if your monitor uses PWM backlight dimming that can cause eye strain

Test for flicker
Monitor Gamma Test preview Rate
Monitor Gamma Test

Visual gamma calibration check using stripe-blend pattern, target sRGB 2.2

Test gamma
Monitor Ghosting Test preview 5.0 (1)
Monitor Ghosting Test

Detect pixel response time issues with adjustable-speed moving box on color backgrounds

Test ghosting
Black Level Test preview 4.7 (3)
Black Level Test

Check shadow detail with 32 near-black patches, detect crushed blacks

Test black level
White Level Test preview Rate
White Level Test

Check highlight detail with 32 near-white patches, detect clipped whites

Test white level
Brightness Test preview Rate
Brightness Test

11-step grayscale ladder to verify brightness, contrast, and gamma calibration

Test brightness
Contrast Test preview 5.0 (4)
Contrast Test

Checkerboard vs 50% gray squint test for contrast and gamma calibration

Test contrast
PPI Calculator preview 5.0 (2)
PPI Calculator

Compute pixels per inch, dot pitch, aspect ratio and megapixels for any display from resolution + diagonal

Calculate PPI
Aspect Ratio Calculator preview 5.0 (1)
Aspect Ratio Calculator

Type any two of width, height, or ratio. Auto-simplifies to lowest integer terms and renders a live preview

Open calculator
Screen Size Calculator preview 5.0 (1)
Screen Size Calculator

Compute diagonal, width, height and visible area from aspect ratio plus any one dimension — in inches and cm

Calculate size
Viewing Distance Calculator preview 5.0 (1)
Viewing Distance Calculator

Optimal TV/monitor viewing distance by THX (36° FoV), SMPTE (30° FoV), and the 4K/8K resolving-limit

Find distance
FPS Test preview 5.0 (1)
FPS Test

Live frame rate measurement with avg/min/max/1%-low plus 60/120/144/165/240Hz detection

Start FPS test
Screen Resolution Test preview Rate
Screen Resolution Test

Live readout of screen resolution, native pixels, device pixel ratio, color depth, and gamut

See resolution
OLED Burn-In Test preview Rate
OLED Burn-In Test

Cycle 8 solid colors, fine checkerboard, and scrolling refresher fullscreen to detect OLED burn-in

Test burn-in
Color Range Test preview 5.0 (2)
Color Range Test

Detect Full RGB (0-255) vs Limited (16-235) via near-black and near-white patch grids

Test RGB range
Screen Uniformity Test preview 5.0 (1)
Screen Uniformity Test

Fullscreen gray/black/white/RGB at any brightness to spot clouding, IPS glow, and backlight bleed

Test uniformity
Frame Skipping Test preview Rate
Frame Skipping Test

Detects dropped or skipped frames at your refresh rate with rAF timestamp analysis and a visual reference bar

Detect skipped frames
Monitor Sharpness Test preview Rate
Monitor Sharpness Test

Lagom-style 1px pixel grid, multi-size text samples, color-fringing blocks, and an RGB sub-pixel ruler to evaluate display sharpness

Test sharpness

Camera

2 tools

Audio

10 tools
Mic Tester preview 5.0 (2)
Mic Tester

Verify microphone input and audio levels

Test your microphone
Headphone / Speaker Tester preview 5.0 (1)
Headphone / Speaker Tester

Test stereo channels and sound output

Test audio output
Decibel Meter preview 3.0 (2)
Decibel Meter

Live relative dB meter with graph, min/avg/max stats, spectrum, microphone selection, and calibration offset

Open meter
Sound Test preview 5.0 (1)
Sound Test

Speaker and headphone channel verifier plus 100 Hz → 10 kHz frequency sweep

Test sound
Bass Test preview Rate
Bass Test

Subwoofer and low-frequency sweep (20 Hz → 200 Hz) with ISO 1/3-octave bass presets

Test bass
Frequency Response Test preview Rate
Frequency Response Test

Full-range 20 Hz → 20 kHz log sweep with hearing-limit logging and manual tone slider

Start hearing test
Auditory Reaction Time Test preview 5.0 (2)
Auditory Reaction Time Test

Measure how fast you respond to a sound cue in milliseconds using the Web Audio API

Start sound test
Surround Sound Test preview 5.0 (3)
Surround Sound Test

5.1 and 7.1 channel walk-around to verify speaker wiring, with stereo panning fallback for headphones

Test surround
Pitch Detector preview 5.0 (2)
Pitch Detector

Sing or play any note. Get live Hz, nearest note (C0-C8), octave, and cents off perfect pitch

Open pitch detector
Hearing Age Test preview 5.0 (1)
Hearing Age Test

Mosquito tone hearing test - 12 frequencies from 8 kHz to 22 kHz to estimate your hearing age

Test hearing age

Utility

22 tools
OCR Tool preview 5.0 (1)
OCR Tool

Extract text from images quickly

Extract text now
QR Code Reader preview Rate
QR Code Reader

Scan QR codes with camera or image upload

Scan QR codes
QR Code Generator preview Rate
QR Code Generator

Create custom QR codes instantly

Create QR code
Password Generator preview Rate
Password Generator

Create strong, secure passwords instantly

Generate password
WhatsApp Link Generator preview Rate
WhatsApp Link Generator

Create clickable WhatsApp chat links

Generate chat link
WhatsApp Brand Links preview Rate
WhatsApp Brand Links

Create branded WhatsApp links and QR codes

Create brand link
WhatsApp Chat Analyzer preview Rate
WhatsApp Chat Analyzer

Deep AI tone report for chats and text

Analyze chat tone
Lucky Wheel preview Rate
Lucky Wheel

Spin a random picker wheel for names, teams, prizes, and quick choices

Spin the wheel
WebRTC Leak Test preview Rate
WebRTC Leak Test

Detect IP address leaks through your browser even when using a VPN, IPv4 + IPv6 + local

Check IP leak
Accelerometer Test preview 3.5 (2)
Accelerometer Test

Live X/Y/Z acceleration readout in m/s² with tilt ball, shake counter, and peak-g tracking

Test motion sensor
Gyroscope Test preview 5.0 (2)
Gyroscope Test

Live alpha/beta/gamma rotation readout with 3D cube, compass ring, and calibrate-to-zero

Test rotation sensor
Vibration Test preview Rate
Vibration Test

Phone haptics patterns (Vibration API) and gamepad rumble per-motor intensity in one tool

Test vibration
CPU Stress Test preview Rate
CPU Stress Test

Multi-threaded WebWorker SHA-256 busy loop to load every logical core and report ops per second

Stress the CPU
AI GPU Test preview 5.0 (1)
AI GPU Test

Check WebGPU, WebGL2, WebNN and browser AI readiness with a safe matrix compute benchmark

Test AI GPU readiness
GPU Stress Test preview Rate
GPU Stress Test

WebGL2 Mandelbrot fragment shader benchmark that pushes any GPU and reports FPS, minimum FPS, and software-rendering fallback

Stress the GPU
Memory Test preview 5.0 (1)
Memory Test

Browser heap monitor with live performance.memory readout, allocation stressor, and safe auto-abort

Open memory test
RAM Latency Calculator preview Rate
RAM Latency Calculator

Convert CAS latency (CL) and memory speed (MT/s) to real nanoseconds, compare DDR4 vs DDR5 kits side by side

Calculate RAM latency
Bandwidth Calculator preview Rate
Bandwidth Calculator

Solve for transfer time, file size, or required speed - handles bits vs bytes math automatically

Open bandwidth calc
Download Time Calculator preview Rate
Download Time Calculator

Estimate download duration for games, movies, and backups at your connection speed with realistic overhead

Estimate download time
RAID Calculator preview 5.0 (1)
RAID Calculator

Usable capacity and fault tolerance for RAID 0/1/5/6/10/50/60 with side-by-side level comparison

Calculate RAID
Online Ruler preview 5.0 (1)
Online Ruler

Actual-size cm and inch ruler on screen with credit-card calibration (ISO ID-1) and DPI presets

Open ruler
AI Assistant preview 5.0 (1)
AI Assistant

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 chat

Gaming

9 tools
Gamepad Tester preview 5.0 (1)
Gamepad Tester

Test PS5, Xbox, Switch and PC controller buttons, stick drift and triggers

Test controller
Reaction Time Test preview 5.0 (1)
Reaction Time Test

Measure how fast you react with a browser-based millisecond reflex test

Test reaction time
FoV Calculator preview Rate
FoV Calculator

Convert field of view across aspect ratios and games with presets for CS2, Valorant, Apex, CoD and Fortnite

Convert FoV
Crosshair Generator preview 4.0 (1)
Crosshair Generator

Design a custom crosshair with live preview, PNG export, CS2 console command, and Valorant settings values

Open generator
APM Test preview 5.0 (1)
APM Test

Actions-per-minute counter for RTS & MOBA players — live APM, peak, and session average

Measure APM
Gamertag Generator preview Rate
Gamertag Generator

Random gamer names across 6 styles with length limits for Xbox, PSN, Steam, and Discord

Generate names
Guild Name Generator preview 5.0 (1)
Guild Name Generator

Random MMO guild and clan names across 6 themes and 5 templates, with WoW/FFXIV/Destiny length limits

Generate guild names
TTK Calculator preview 5.0 (1)
TTK Calculator

Time-to-kill math for FPS games with body vs head comparison, armor handling, and CS2/Valorant/Apex/CoD presets

Calculate TTK
Minecraft Circle Generator preview Rate
Minecraft Circle Generator

Pixel circle, filled disc, thick ring, and 3D sphere layer plotter for Minecraft builders, radius 1-256

Plot a circle
Direct sponsorship

Your ad should not disappear

Most users block standard ads. Direct sponsor placements keep your offer visible after they browse the tool list.

Request placement

Windows app

KeyboardTester.click is available from Microsoft Store

Install the official Windows app shortcut, or keep using the same free testing tools in your browser.

Download from Microsoft Store Download from Microsoft Store