What's the BPM of this song?
Upload a track and get its tempo in beats per minute — measured straight from the audio, with the half/double-time alternative and the musical key included. Free and unlimited.
Analyzed in memory, never stored. MP3, WAV, FLAC, M4A. Signed-in checks keep result metadata (see Privacy).
Wondering if this song was made by AI?
Run it through the Songprint AI music detector — confidence score in seconds, 3 free checks a day.
Frequently asked questions
How does the BPM finder work?
Songprint analyzes the audio waveform directly — it tracks onset energy across the track and measures the spacing between beats to compute beats per minute. No metadata or database lookup involved, so it works on unreleased tracks too.
Why do I sometimes get half or double the BPM I expected?
Tempo has a natural octave ambiguity: a 75 BPM ballad can be heard as 150 BPM. We show the most likely tempo plus the half/double-time alternative so you can pick the one that matches how you count the song.
Is it really free?
Yes — unlimited checks, no signup. The analysis is lightweight signal processing, so we don’t need to charge for it.
Is my audio uploaded somewhere?
Your file is analyzed in memory and discarded immediately after the result is returned. Nothing is stored.
Can I find the BPM and key together?
Yes. Every analysis returns the tempo plus the musical key and Camelot code, so you get the BPM and key from a single upload — handy for DJ sets and remixes.
What audio formats can I use?
MP3, WAV, FLAC and M4A all work. We read the waveform directly, so it works on any track, not just ones with embedded tempo metadata.