Kalimba Tunerreal-time pitch detection · file-free, runs in your browser

A4 = 440 Hz
press “Start mic” and play a tine
Tap any tine to hear its reference tone (and target it in Manual mode).
How to tune a kalimba

Each tine is a steel prong. Its pitch depends on the vibrating length — the part sticking out past the bridge.

Standard layout: the longest/lowest tine sits in the center, and notes alternate right-then-left going outward, ascending the scale.