TOOLS
BPM & Key Detection
🎵
DROP YOUR AUDIO HERE
MP3, WAV, FLAC, OGG, M4A
HOW IT WORKS
BPM — Detects beat onsets using energy analysis, then calculates the tempo from the intervals between beats.
KEY — Uses a chromagram and the Krumhansl-Schmuckler algorithm to match pitch distributions against major/minor profiles.
All analysis happens locally in your browser — your audio never leaves your device.