About usbRecognized

Our Mission

usbRecognized was created with a single mission: to make hardware testing accessible to everyone, everywhere, without any barriers. No downloads, no installations, no account registrations, no fees — just open your browser and start testing.

We believe that diagnosing hardware issues should not require downloading sketchy .exe files from unknown sources or paying for expensive diagnostic software. Modern web browsers have powerful APIs that can communicate directly with your hardware, and we harness these technologies to provide professional-grade diagnostics for free.

What Makes Us Different

There are many hardware testing tools on the internet. Here is what sets usbRecognized apart:

• 100% Privacy-First: All tests run locally in your browser. Your keystrokes, camera feed, microphone audio, and USB device data never leave your computer. We do not collect, store, or transmit any testing data.

• No Downloads Required: Everything runs in your browser. No .exe files, no browser extensions, no plugins. If you have a modern web browser, you have everything you need.

• Quick Device Check: Our flagship feature — a one-click hardware diagnostic that scans 14+ hardware components and generates a comprehensive Hardware Health Report with a score. This is our competitive differentiator.

• Multi-Language Support: Available in 24 languages — English, Spanish, Turkish, Portuguese, French, German, Indonesian, Thai, Russian, Japanese, Italian, Bengali, Polish, Dutch, Vietnamese, Malay, Hindi, Korean, Arabic, Traditional Chinese, Simplified Chinese, Urdu, Persian, and Ukrainian — making hardware testing accessible to a global audience.

• Educational Content: We do not just provide tools — we provide knowledge. Each tool page includes detailed guides and FAQs to help you understand your hardware better.

Our Technology Stack

usbRecognized is built on modern web technologies:

• Astro 6 — Static site generation for lightning-fast page loads and excellent SEO • React 19 — Interactive islands for dynamic testing components (Keyboard Tester, Mouse Tester, Microphone Tester, Webcam Tester, Quick Device Check) • Tailwind CSS 4 — Utility-first styling with dark mode support • TypeScript — Type-safe development for reliable code • Web APIs — KeyboardEvent, MouseEvent, WebRTC, WebUSB, WebHID, Web Bluetooth, Gamepad API, Battery API, Canvas API

The site is statically generated (SSG) for maximum performance and SEO. All interactive components are hydrated as React islands only where needed, keeping the initial page load fast.

The Story Behind the Name

The name "usbRecognized" comes from the USB device enumeration process. When you connect a USB device to your computer, the operating system sends a recognition signal — if successful, the device is "recognized" and ready to use. Our platform extends this concept: we help you verify that ALL your devices — not just USB — are properly recognized and functioning.

The name also reflects our origins. We started with a simple USB device scanner and expanded into a comprehensive hardware testing platform. Today, we cover input devices, displays, audio, cameras, USB, and system information — with more tools in development.

Who We Serve

usbRecognized is used by a diverse community of hardware enthusiasts, IT professionals, and everyday computer users:

• Gamers who need to verify NKRO, test mouse clicking speed, and check monitor refresh rates • IT professionals who need a quick diagnostic tool that works on any device • Typists and writers who want to verify every key on their keyboard works • Buyers testing used hardware before purchase • Developers testing Web API compatibility across browsers • Remote workers verifying their webcam and microphone before video calls • Students learning about computer hardware and browser APIs

No matter who you are or what your technical skill level is, usbRecognized is designed to be intuitive, fast, and genuinely useful.

How Our Tools Diagnose Hardware

Each tool on usbRecognized does more than a simple pass/fail check. Here is what each tool actually measures and what the results tell you:

• Keyboard Tester: Detects chattering switches (double registrations from a single press), tests NKRO (N-key rollover) to verify how many simultaneous keys your board can handle, identifies ghosting (phantom key presses from matrix wiring without diode isolation), and logs every keydown/keyup event for inspection. • Mouse Tester: Measures CPS (clicks per second) to verify switch reliability, detects double-click issues where a single press registers twice, tests all buttons including side buttons and middle click, and verifies scroll wheel functionality. • Refresh Rate Test: Counts actual animation frames via requestAnimationFrame to verify your monitor is running at its advertised refresh rate (60Hz, 144Hz, 240Hz, etc.) rather than falling back to a lower mode after a driver update or cable issue. • Dead Pixel Test: Displays full-screen solid colors (red, green, blue, white, black) so you can visually identify stuck pixels (locked to one color), dead pixels (permanently black), and bright pixels (permanently lit) against uniform backgrounds. • Color Test: Renders gradients and color patterns to check for color banding, gamut coverage, and color uniformity across the panel. • Screen Bleeding Test: Displays a full-screen black image in a dark environment to reveal backlight bleeding (light leaking from edges) and IPS glow (corner light leakage characteristic of IPS panels). • Webcam Test: Captures your camera feed and reports the actual resolution, frame rate, and whether the browser negotiated constraints were met, plus checks mirror and flip functionality. • Microphone Test: Visualizes your audio input waveform, reports volume levels, and detects if the browser is receiving audio from the correct input device. • Speaker Test: Plays tones through left, right, and both channels to verify stereo output and identify channel swapping or dead speakers. • USB Device Info: Enumerates connected USB devices using WebUSB API, displaying vendor ID (VID), product ID (PID), and device class information for device identification. • Printer Test: Generates targeted test patterns including 21-step grayscale gradients, fine lines at various spacings, and CMY registration marks to diagnose print quality issues that the built-in self-test page cannot reveal. • Browser Info: Reports your browser name, version, operating system, screen resolution, viewport size, and supported Web APIs to help troubleshoot compatibility issues. • Screen Resolution: Displays your current screen resolution, pixel density, aspect ratio, and viewport dimensions to verify your display is configured correctly.

Each tool page includes a detailed FAQ section that explains what the diagnostic data means, what causes common failures, and what steps to take if a test reveals a problem. We link to authoritative sources including ISO standards, manufacturer documentation, and technical specifications — not just marketing claims.

Roadmap

We are continuously improving usbRecognized. Here is what is on our roadmap:

• Phase 1 (Complete): Homepage with Quick Device Check, keyboard tester with NKRO and ghosting detection, content-rich Coming Soon pages for all planned tools • Phase 2 (In Progress): Mouse test (CPS + double-click), webcam test, and microphone test are now live. Implementing remaining tools — gamepad test (stick drift), refresh rate test (UFO ghosting), USB scanner • Phase 3 (Planned): Blog with in-depth hardware reviews, tutorials, and buying guides. Additional languages. Mobile app companion.

Have a feature request or found a bug? We would love to hear from you at hi@usbrecognized.com.

Contact

We love hearing from our users. Whether you have a feature request, bug report, partnership inquiry, or just want to say hello, here is how to reach us:

Email: hi@usbrecognized.com

You can also visit our GitHub repository to contribute code or report issues. usbRecognized is a passion project, and we appreciate the community's support in making it better.