Free browser-based keyboard tester for Windows, Mac and laptops. Check every key, key codes, ghosting/NKRO, latency and typing speed. KeyboardAnalyzer runs entirely in your browser with no download or sign-up. Press any key to see live status and key codes on Windows, Mac and laptop layouts. It includes ghosting and NKRO tests, input latency and polling-rate tests, key chatter detection, a spacebar test and a typing speed (WPM) test. Mouse tools cover click-per-second, double-click, jitter, scroll-wheel and polling-rate tests. Repair guides for common keyboard problems. Available in 10 languag