KeyboardAnalyzer
Free online keyboard & mouse tester, no download
Screenshots
Free
Utility
Built with
Javascript
JavascriptKeyboardAnalyzer is a free online keyboard tester that runs entirely in your browser, with no download or sign-up. Press any key to see its live status and key codes on Windows, Mac and laptop layouts. Beyond basic key checks it includes ghosting and NKRO (anti-ghosting) tests, input latency and polling-rate tests, key chatter detection, a spacebar test and a typing speed (WPM) test. It also offers mouse tools: click-per-second, double-click, jitter, scroll-wheel and polling-rate tests, plus repair guides for common keyboard problems. Available in 10 languages.
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Launched in Week 44, 2026
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