Key and energy detection with Camelot notation written back into tags.
Paidkey detectionenergyFeatured
Collection
Best Tools for Harmonic Mixing
Detect keys, convert to Camelot, and check compatibility before you load the track.
Resources in this collection
Open-source musical key detection for large batches of files.
Freekey detectionopen source
Look up BPM, key, energy and danceability for a released track in seconds.
FreemiumbpmkeyFeatured
BPM, key and Camelot lookups plus playlist-wide analysis views.
Freemiumbpmkey
The reference explainer for Camelot notation and harmonic mixing rules.
FreecamelottheoryFeatured