Find your song's
BPM & musical key.
Mix smarter with BPMKEY.
Upload your audio and instantly discover BPM, musical key, Camelot notation, Energy, Danceability and Happiness. Your music stays private while you analyze.
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Upload audio files to detect BPM, key and musical attributes.
Accurate Analysis
Advanced signal analysis detects BPM, key and musical attributes directly from your audio.
Camelot System
Industry-standard Camelot notation for smooth, harmonic DJ mixing every time.
100% Free
Unlimited uploads and analysis. No signup, no subscription, no hidden limits.
Privacy First
Your files are processed in your browser and are never stored on our servers.
Powerful features for DJs, producers & music lovers
Everything you need to understand your music and mix with confidence.
BPM Detection
Accurate tempo (BPM) detection for any music track in seconds.
Key Detection
Detects the musical key and scale of your audio automatically.
Camelot Notation
Industry-standard Camelot notation for effortless harmonic mixing.
Audio Attributes
Energy, Danceability and Happiness estimates for deeper insight.
Multi Format
Supports MP3, WAV, FLAC, M4A, AAC and OGG audio files.
Secure & Private
Your files remain private and are processed locally in your browser.
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Detect BPM, key and Camelot notation in seconds. Completely free, no account needed.
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