Free Online BPM Detector
Find the tempo of any song or audio file instantly. Upload a track or tap along to detect BPM — free, private, no account.
- Free
- No sign-up
- Stays on your device
Why use this tool
Auto BPM Detection
Upload a track and get instant BPM analysis using onset detection.
Tap BPM Fallback
No file? Tap along to any beat to manually measure BPM.
100% Private
Analysis runs in your browser — your audio is never uploaded.
Instant Results
BPM detected in seconds without any server processing.
Confidence Meter
See how confident the detection algorithm is in its result.
Any Format
Works with MP3, WAV, OGG, M4A, FLAC and more.
Frequently asked questions
Yes — completely free, no account required.
The energy-based onset detection works well for electronic music, drums, and rhythmic audio. It may be less accurate for ambient music or recordings with irregular rhythm. Use the Tap BPM button as a fallback.
The detector works best in the 60–200 BPM range and folds detected values into that range automatically.
No. BPM analysis runs entirely in your browser using the Web Audio API.
MP3, WAV, OGG, M4A, FLAC — any format your browser can decode.
Click the Tap BPM button in time with the beat. After 3+ taps it calculates average inter-tap interval and converts to BPM. Tap disappears after 3 seconds of inactivity.
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