BPM and Key Finder

It listens to which notes sound most across the whole song and compares that to the shape of every major and minor key. The closest match is the key.

Drop the song above. You get its key, like C♯ minor, its Camelot code, like 12A, and the relative major or minor key. If the song changes key, you see the one that fits the whole song best.

Drop the file above and the tempo shows up in seconds. No file, just a song playing? Tap along to the beat in Tap Tempo. More ways, by ear and in your DAW, are in our guide.

Songs with clear chords and melodies give the most reliable result. Drum loops, heavy distortion or songs that change key may need a check by ear.

Many songs can be counted two ways, especially trap and drum and bass. Both are right; the half and double values are shown under the tempo.

A DJ shorthand for keys, like 4A for F minor. Keys next to each other on the Camelot wheel, like 4A, 3A, 5A and 4B, mix smoothly together. See all 24 on our Camelot wheel.

No. Everything runs in your browser, so your audio never leaves your device.