All audio tools
BPM Detector
Estimate the tempo of a music recording and adjust the result.
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How to use BPM Detector
- Choose a track or load the built-in beat.
- Analyze its first 90 seconds to estimate tempo and musical key.
- Check the estimate and halve or double the tempo if needed.
Common questions
Why might the BPM be half or double the beat I hear?
Beat detection can identify a faster subdivision or a slower underlying pulse. Use the half and double controls to compare, and treat the key and Camelot code as estimates.
Does the tool upload my audio?
Audio processing happens in your browser on your device.
Can I use this on a phone?
The controls work in modern browsers. Media and export support varies by device.