BPM Detector
Detect the tempo (beats per minute) of a song from its audio, or tap along to measure it. Analysis runs on your device.
No uploads
Tap tempo
—
Tap the button or press Space on each beat.
How to use BPM Detector
- 1Open BPM Detector. It runs in your browser, no sign-up.
- 2Drop your file here or choose it. It stays on your device; nothing is uploaded.
- 3Adjust the options until the preview looks right.
- 4Download the result.
Questions
How accurate is it?
Songs with a steady beat (pop, dance, hip-hop, rock) are usually detected within 1 BPM. Rubato, live or beatless music is harder — use tap tempo to confirm.
Why does it sometimes show half or double?
Tempo is ambiguous: a 70 BPM ballad can feel like 140. Alternatives are listed so you can pick the one that matches.
Is my song uploaded?
No. Audio is decoded and analysed in your browser.
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