Estimated Global BPM
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Load a file to analyze
Elapsed Beats (Ë)
0000.00
00:00.00
Remaining Beats (Ë)
-0000.00
--:--.--
Manual BPM Override
If the analysis is off, enter your BPM here and click Apply.
Re‑analyze (optional)
Useful after override, or to try again.
Skip to Time (mm:ss.ss)
Example: 2:30 → two minutes thirty seconds.
Skip to Beat (Ë)
Jump to a specific elapsed beat.
Sound Visualizer
BPM Drift & Elapsed Beats Accumulation
Predicted (Consistent)
Actual (Variable Drift)
· Click or drag to seek
This widget runs entirely in your browser using the Web Audio API. Analysis extracts the global tempo and performs a localized multi-window autocorrelation pass to chart micro-drifts in BPM throughout the audio.