HSTempo

HSTempo is a straightforward Chrome extension designed to help you quickly find the BPM (beats per minute) of any music or sound source. Simply tap along to the rhythm, and HSTempo calculates the tempo for you, making it an essential tool for musicians, DJs, and music enthusiasts.

While this extension is no longer updated, users can continue using it or explore the enhanced web/PWA version available at https://hstempo.hidekisaito.com/. Its simplicity and ease of use make tempo measurement hassle-free and accessible.