BPM Detector

Upload a song and find its tempo instantly, right in your browser.

Your audio never leaves your device

Drop an audio file here

Detection runs entirely on your device using a local tempo analysis. No file is uploaded or stored.

Why use this BPM detector?

Find the tempo of any track in seconds, without uploading a single file.

Drop in an MP3, WAV, or M4A file and let the detector read its tempo from the audio itself.

The tool analyzes the onset envelope of your track and finds the dominant tempo in a click.

See the BPM alongside its musical speed marking and the exact milliseconds per beat.

Everything runs on your device. There are no uploads, accounts, or remote API calls.

Tempo found in a click

No file is uploaded

BPM in musical context

Add a track, let it analyze, and read the tempo you need.

Drag an audio file into the upload zone or browse your files from your computer.

The detector reads the audio in your browser and finds the tempo of the track.

Get the BPM, its tempo marking, and the beat timing you need for your project.

DJs and selectors

"I want to match a track to my set."

DJs can detect the BPM of any song they are considering, then plan transitions, loops, and cue points around it.

Music producers

"I want to align samples to a tempo."

Producers can drop in a reference track to get its BPM, then align samples and edits to the grid.

Musicians and learners

"I want to learn the tempo of a song I love."

Musicians can upload a track to find its tempo and use it to set a metronome or click track.

What to know before you detect a tempo.

The tool decodes your audio in the browser, measures the onset strength across the track, and uses autocorrelation to find the dominant tempo.

No. The audio is decoded and analyzed entirely on your device, so nothing is uploaded or stored.

Any audio format your browser can decode, including MP3, WAV, M4A, and OGG.

Tracks without a steady beat, or very quiet recordings, may not produce a reliable result. Try a song with a clear rhythmic pulse.

Upload a song and get its BPM instantly, right in your browser.