BPM Tapper & Detector
Measures tempo two ways: tap along on any key or button and read the averaged BPM, or load an audio file and let onset autocorrelation estimate the track tempo automatically.
Runs 100% in your browser — your files never leave your device.
Read the full guide to this tool
Notes
- Automatic detection works best on music with a steady beat; rubato, live recordings and ambient tracks may report half or double the perceived tempo.
- Everything runs locally in your browser; your files are never uploaded to any server.
Explore the idea
Related tools
Song Practice Studio
Drop any song and get its chords, key and tempo in sync with the music, then loop, slow down and transpose it to practise along.
Waveform & Spectrogram Viewer
Inspect audio as a waveform and spectrogram.
Audio Format Converter
Convert between WAV, MP3, OGG, FLAC, M4A and more.
Audio Trimmer
Cut a section out of an audio file, with fades.
Chord Identifier
Name any chord from notes you pick or type.
Euclidean Rhythm Generator
Generate world-music rhythms from two numbers.