BPM Changer
Auto-detect BPM, adjust tempo, preview in real time, and export — all processing happens locally in your browser.
Drag and drop audio files here, or click the button below to add files.
Change tempo in a way that matches DJ reality
A BPM changer is useful when your track selection is right but the tempo is not. DJs use tempo edits to tighten a set range, make warm-up versions, or build emergency copies that match the energy they need.
The important part is not only changing BPM, but deciding when to preserve pitch, how far to push the speed safely, and when a prepared export is better than forcing the fader live.
What this BPM tool is built for
A clean BPM-change workflow
- Detect the original BPM first, then decide whether you are making a subtle prep edit or a more noticeable creative change.
- Stay conservative on vocal or melodic tracks, especially if the final playback system is revealing and you expect to use key lock.
- Export the adjusted version, label it clearly, and test it in the DJ software or player you actually use on stage.
BPM changer FAQ
How much can you change BPM without ruining a track?
Small moves are usually safest. Around 1 to 3 percent is rarely a problem, while larger changes depend on the source file, the material, and whether you preserve pitch.
Should I always keep pitch locked?
No. Pitch lock helps when you need harmonic consistency, but every time-stretching algorithm adds some processing. Small adjustments often sound better without it.
Why prepare a BPM edit before the set instead of riding pitch live?
Prepared edits are useful when you already know the target range and want a cleaner, repeatable result without pushing hardware or software too far in real time.