Press Any Key To Test Your Keyboard
Keyboard Tester is a free online tool that helps you test your keyboard keys directly in your browser. It supports multiple layouts including Arabic keyboard and Avro keyboard testing. We also provide a full 简体中文 (Chinese) interface for 键盘测试 在线 (online keyboard testing).
This keyboard tester works on Windows keyboards, Mac keyboards, laptops, and external keyboards. It supports full-size keyboards, including function keys, arrow keys, and the numeric keypad.
To test your keyboard, simply press any key. The key will light up instantly on the screen. This makes it easy to check if a key is not working, stuck, or registering incorrectly.
The tool also shows the last key pressed and keeps a count of total and unique keys pressed, which is useful for keyboard diagnostics and troubleshooting.
You can switch between Windows and Mac keyboard layouts to match your device. This ensures accurate key labels and a better testing experience on different operating systems.
This is a completely free online keyboard tester. No downloads, no sign-up, and no installation required. All keyboard testing happens locally in your browser, and no keystrokes are sent or stored on any server.
Instantly test all keys on your keyboard in real time. Every key press is detected and highlighted visually, making it easy to identify non-working or stuck keys.
Our keyboard tester supports Windows keyboards, Mac layouts, laptops, and external keyboards — including mechanical and gaming keyboards.
Quickly diagnose keyboard issues by pressing each key and confirming it registers correctly. Perfect for troubleshooting hardware problems.
Built with vanilla JavaScript and optimized HTML, the keyboard tester loads instantly and responds with zero lag.
All keyboard testing happens locally in your browser. No key data is sent, stored, or tracked.
Switch between dark and light themes for comfortable viewing in any environment. The theme preference is automatically saved and remembered for future visits.
Keyboard Tester is a simple and reliable online tool designed to help users test keyboard keys quickly. It is built using lightweight HTML, CSS, and vanilla JavaScript to ensure fast performance and wide compatibility.
The goal of this tool is to provide an easy way to check keyboard functionality without installing software. It is useful for diagnosing keyboard issues, testing new or used keyboards, and verifying key input accuracy.
Keyboard Tester works entirely in the browser and respects user privacy. No keystrokes are logged, stored, or transmitted.
Whether you are a competitive gamer ensuring your mechanical switches are firing with zero latency or a professional writer dealing with a stubborn "E" key, precision is everything. Our tester is engineered to provide millisecond-accurate feedback, helping you distinguish between a software glitch and a hardware failure.
From standard membrane office boards to high-end hot-swappable mechanical keyboards, our tool handles complex key combinations and NKRO (N-Key Rollover) detection. We’ve stripped away the bloat to give you a high-performance diagnostic environment that works instantly in any modern browser.
Experience a smarter way to troubleshoot. With Keyboard Tester Live, you aren’t just pressing buttons—you’re verifying the integrity of your primary gateway to the digital world. Clean, fast, and 100% private.
contact@keyboardtester.com
+1 (555) 123-4567
Sector 7, Manchester, UK