TOOLS · LISTEN & DISCOVER

Scale Detector

Record a melody or upload music to discover its most likely key and scale.

Your audio stays on your device.

Record music

Sing, play an instrument, or record music nearby. A clear 15–30 second passage works best.

Recording stops automatically after 90 seconds.

Choose a song or musical passage from your device. Longer songs are sampled across different passages.

MP3, WAV, M4A and other browser-supported audio · up to 25 MB

The detector estimates major or minor keys. Very short clips, percussion, and music that changes key may have several possible matches.