Music Scale & BPM Finder
Upload an audio file to detect its approximate tempo and musical key directly in your browser.
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Upload your music
Choose an audio file to analyze its BPM and key
MP3 • WAV • M4A • AAC • OGG • FLACPreparing audio...0%
BPM
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Approximate tempo
KEY / SCALE
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Approximate musical key
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BPM DetectionEstimates the tempo from the audio waveform.
Key DetectionEstimates the most likely musical key.
Browser ProcessingAudio analysis runs locally in your browser.