# HardwareTestingPro

> HardwareTestingPro is a free browser-based hardware testing platform with 90+ tools to test keyboards, mice, controllers, monitors, cameras, microphones, speakers, touchscreens, and network connections — plus useful developer and gaming utility calculators. No downloads or installs required; every test runs instantly in the browser.

## Keyboard Tools

- [Keyboard Tester](/tools/keyboard-tester)
- [Keyboard Ghosting Test (NKRO)](/tools/keyboard-ghosting-test)
- [Key Press Counter](/tools/key-press-counter)
- [Key Hold Duration Test](/tools/key-hold-duration-test)
- [Keyboard Layout Viewer](/tools/keyboard-layout-viewer)
- [Category page](/category/keyboard-tools)

## Mouse Tools

- [Mouse Tester](/tools/mouse-tester)
- [Mouse Button Test](/tools/mouse-button-test)
- [Double-Click Test](/tools/double-click-test)
- [Click Speed Test (CPS Test)](/tools/click-speed-test)
- [Scroll Wheel Test](/tools/scroll-wheel-test)
- [Mouse Polling Rate Test](/tools/mouse-dpi-polling-test)
- [Mouse Movement Tracker](/tools/mouse-movement-tracker)
- [Drag Test](/tools/drag-test)
- [Category page](/category/mouse-tools)

## Gamepad & Controller Tools

- [Gamepad Tester](/tools/gamepad-tester)
- [Multi-Controller Tester](/tools/multi-controller-tester)
- [Analog Stick Deadzone Test](/tools/analog-stick-deadzone-test)
- [Controller Deadzone Calculator](/tools/controller-deadzone-calculator)
- [Controller Mapping Viewer](/tools/controller-mapping-viewer)
- [Vibration Support Checker](/tools/vibration-support-checker)
- [Category page](/category/gamepad-tools)

## Screen & Monitor Tools

- [Dead Pixel Test](/tools/dead-pixel-test)
- [Refresh Rate Test](/tools/refresh-rate-test)
- [Screen Uniformity Test](/tools/screen-uniformity-test)
- [Monitor Color Test (Contrast/Gamma)](/tools/monitor-color-test)
- [Black & White Level Test](/tools/black-white-level-test)
- [Screen Resolution Detector](/tools/screen-resolution-detector)
- [PPI Calculator](/tools/ppi-calculator)
- [Aspect Ratio Calculator](/tools/aspect-ratio-calculator)
- [Category page](/category/screen-tools)

## Camera & Touch Tools

- [Webcam Tester](/tools/webcam-tester)
- [Camera Device Detector](/tools/camera-device-detector)
- [Camera Resolution & FPS Test](/tools/camera-fps-test)
- [Camera Mirror Test](/tools/camera-mirror-test)
- [QR Code Camera Scanner](/tools/qr-code-camera-scanner)
- [Touch Screen Test (Multi-Touch)](/tools/touch-screen-test)
- [Touch Pressure Test](/tools/touch-pressure-test)
- [Swipe Test](/tools/swipe-test)
- [Camera Tools category page](/category/camera-tools)
- [Touch Tools category page](/category/touch-tools)

## Audio Tools

- [Microphone Tester](/tools/microphone-tester)
- [Speaker Tester](/tools/speaker-tester)
- [Headphone Tester](/tools/headphone-tester)
- [Audio Device Detector](/tools/audio-device-detector)
- [Audio Latency Test](/tools/audio-latency-test)
- [Hearing Range Test](/tools/hearing-range-test)
- [Sound Level Meter](/tools/sound-level-meter)
- [Frequency Generator](/tools/frequency-generator)
- [MIDI Tester](/tools/midi-tester)
- [Category page](/category/audio-tools)

## Network Tools

- [Internet Speed Test](/tools/internet-speed-test)
- [Network Latency Test](/tools/network-latency-test)
- [Network Information](/tools/network-information)
- [HTTPS Checker](/tools/https-checker)
- [DNS over HTTPS Availability Check](/tools/dns-over-https-check)
- [CDN Connectivity Test](/tools/cdn-connectivity-test)
- [WebRTC Leak Checker](/tools/webrtc-leak-checker)
- [WebSocket Test](/tools/websocket-test)
- [Online/Offline Status](/tools/online-offline-status)
- [Category page](/category/network-tools)

## System & Browser Tools

- [Device Information](/tools/device-information)
- [Browser Information & User Agent Viewer](/tools/browser-information)
- [Browser Feature Detection](/tools/browser-feature-detection)
- [Browser Permission Checker](/tools/browser-permission-checker)
- [Battery Status](/tools/battery-status)
- [CPU Benchmark](/tools/cpu-benchmark)
- [Canvas Performance Test](/tools/canvas-performance-test)
- [GPU Tester](/tools/gpu-tester)
- [Device Motion Test](/tools/device-motion-test)
- [Orientation Sensor Test](/tools/orientation-sensor-test)
- [Secure Context Checker](/tools/secure-context-checker)
- [Cookies Enabled Test](/tools/cookies-enabled-test)
- [Web Storage Test (localStorage)](/tools/web-storage-test)
- [Clipboard Test](/tools/clipboard-test)
- [Fullscreen Test](/tools/fullscreen-test)
- [File Drag & Drop Test](/tools/file-drag-drop-test)
- [Animation FPS Test](/tools/animation-fps-test)
- [Category page](/category/system-tools)

## Privacy Tools

- [WebRTC Leak Checker](/tools/webrtc-leak-checker)
- [HTTPS Checker](/tools/https-checker)
- [Secure Context Checker](/tools/secure-context-checker)
- [Cookies Enabled Test](/tools/cookies-enabled-test)
- [Category page](/category/privacy-tools)

## Gaming Calculators

- [eDPI Calculator](/tools/edpi-calculator)
- [cm/360 Calculator](/tools/cm-360-calculator)
- [Sensitivity Converter](/tools/sensitivity-converter)
- [FOV Calculator](/tools/fov-calculator)
- [Bottleneck Calculator](/tools/bottleneck-calculator)
- [PC Upgrade Calculator](/tools/pc-upgrade-calculator)
- [Game FPS Estimator](/tools/game-fps-estimator)
- [Resolution Scaling Calculator](/tools/resolution-scaling-calculator)
- [Display Input Lag Calculator](/tools/input-lag-calculator)
- [Category page](/category/gaming-calculators)

## Typing & Reaction Tools

- [Typing Speed Test (WPM)](/tools/typing-speed-test)
- [Typing Accuracy Test](/tools/typing-accuracy-test)
- [Reaction Time Test](/tools/reaction-time-test)

## Developer Utility Tools

- [JSON Formatter & Validator](/tools/json-formatter-validator)
- [Regex Tester](/tools/regex-tester)
- [Base64 Encoder/Decoder](/tools/base64-encoder-decoder)
- [UUID Generator](/tools/uuid-generator)
- [Color Picker & Converter](/tools/color-picker-converter)
- [QR Code Generator](/tools/qr-code-generator)
- [Category page](/category/utility-tools)

## Guides & How-To Articles

- [How to Test a Used Keyboard Before Buying](/blog/how-to-test-used-keyboard-before-buying)
- [How to Test a Used Gaming Mouse Before Buying](/blog/how-to-test-used-gaming-mouse-before-buying)
- [How to Test Controller Buttons Before Buying Used](/blog/how-to-test-controller-buttons-before-buying-used)
- [How to Check Controller Deadzone](/blog/how-to-check-controller-deadzone)
- [How to Test Controller Stick Drift](/blog/how-to-test-controller-stick-drift)
- [How to Test Xbox Controller in Browser](/blog/how-to-test-xbox-controller-in-browser)
- [How to Test PS5 Controller on PC](/blog/how-to-test-ps5-controller-on-pc)
- [Keyboard Ghosting Test Before Gaming](/blog/keyboard-ghosting-test-before-gaming)
- [Keyboard Double-Typing Test Online](/blog/keyboard-double-typing-test-online)
- [Keyboard Typing Wrong Letters](/blog/keyboard-typing-wrong-letters)
- [Keyboard Key Works Sometimes](/blog/keyboard-key-works-sometimes)
- [How to Tell If Your Keyboard Is Dying](/blog/how-to-tell-if-your-keyboard-is-dying)
- [Mouse Clicking Twice (One Click Test)](/blog/mouse-clicking-twice-one-click-test)
- [Mouse Cursor Moving on Its Own](/blog/mouse-cursor-moving-on-its-own)
- [How to Test Mouse Scroll Wheel Problems](/blog/how-to-test-mouse-scroll-wheel-problems)
- [How to Check Mouse DPI Without Software](/blog/how-to-check-mouse-dpi-without-software)
- [What Is Mouse Polling Rate](/blog/what-is-mouse-polling-rate)
- [How to Check Monitor 144Hz](/blog/how-to-check-monitor-144hz)
- [How to Check Monitor Backlight Bleed](/blog/how-to-check-monitor-backlight-bleed)
- [Stuck vs Dead Pixel Difference](/blog/stuck-vs-dead-pixel-difference)
- [How to Test Black Crush & Color Banding](/blog/how-to-test-black-crush-color-banding)
- [New Monitor Checklist Before Return Window](/blog/new-monitor-checklist-before-return-window)
- [How to Test Audio Latency Online](/blog/how-to-test-audio-latency-online)
- [How to Test Left/Right Speakers Online](/blog/how-to-test-left-right-speakers-online)
- [How to Tell If Microphone Is Too Quiet](/blog/how-to-tell-if-microphone-too-quiet)
- [How to Test If Microphone Is Distorted](/blog/how-to-test-if-microphone-is-distorted)
- [How to Test Hearing Range With Headphones](/blog/how-to-test-hearing-range-with-headphones)
- [How to Find Your GPU Using Browser](/blog/how-to-find-your-gpu-using-browser)
- [How Many CPU Cores Can Browser Detect](/blog/how-many-cpu-cores-can-browser-detect)
- [How to Check If WebGL Is Working](/blog/how-to-check-if-webgl-is-working)
- [How to Check Browser Hardware Acceleration](/blog/how-to-check-browser-hardware-acceleration)
- [Browser/Device Memory Shows Less RAM](/blog/browser-device-memory-shows-less-ram)
- [Blog index](/blog)

## About

- [About page](/about)
- [Contact](/contact)
- [All tools directory](/tools)
- [Homepage](/)
- [Sitemap](/sitemap)

## Notes

All tools on HardwareTestingPro run directly in the browser using real device APIs (no software download or installation needed) and are completely free to use. Guides in the blog section focus on practical, real-world troubleshooting scenarios such as buying used peripherals, diagnosing hardware faults, and pre-purchase checks.