BPM finder

BPM (beats per minute) is the count of a track's underlying pulse over one minute, and it's the first number you need whenever audio has to line up with a grid, a metronome, or another song. Finding the BPM of a song by ear means tapping along and averaging the gaps, which gets you close but carries your own timing wobble as error. Automatic detection instead reads the file's onsets and beat energy to pin the tempo down, giving you an estimate you can treat as a starting point rather than a guess.

Creators reach for a tempo detector right before they edit, sync, or blend audio. A producer sets the DAW project tempo before chopping a track so every cut lands on the beat, a DJ checks two songs' speeds before a transition, and anyone building a mashup or layering a loop needs both parts running at a matching tempo. For music made with tools like Suno, the tempo can drift slightly across a single generation, so knowing the detected BPM tells you whether a track will sit cleanly on a fixed grid or needs time-stretching first.