About Audio BPM & Beat Tempo Detector
Find the tempo of any song in seconds. Analyzes uploaded audio files in-browser using lowpass filter peak autocorrelation to determine track Beats Per Minute (BPM), with a live manual Tap Tempo fallback.
Key Capabilities & Features
- Automatic in-browser audio decoding and beat detection
- Supports MP3, WAV, AAC, and OGG audio files
- Manual Tap Tempo button for live song matching
- Zero file uploads or server buffering
How to Use Audio BPM & Beat Tempo Detector
Upload Audio
Select an MP3 or WAV music track.
Analyze Beats
The browser analyzes rhythm peaks in the audio waveform.
View BPM
Inspect the detected Beats Per Minute.
Privacy & In-Browser Execution Guarantee
Audio files are decoded in browser RAM and are never uploaded.
Frequently Asked Questions
How accurate is the in-browser BPM detection?
For songs with distinct kick drums or rhythmic basslines (pop, dance, hip hop, rock), accuracy is typically within 1-2 BPM.