How the BPM changer works
BPM means beats per minute. To change the BPM of a song, you change its playback speed. At 1.1×, a 100 BPM song plays at 110 BPM. Keep pitch mode time-stretches the audio so the key stays exactly the same.
The speed range is 0.5× to 2×, so you can halve or double any tempo. To hit an exact BPM, divide the tempo you want by the tempo you have and set that as the speed.
You can also change the BPM of a stem rather than the whole song. Split the track with the stem splitter, download the acapella or drums, and change just that part to match your project. It is a common first step in a remix.
Every change previews live. Nudge the speed while the song plays until the beat lines up with whatever you are matching, then export.
Tempo ranges by genre
These are the typical BPM ranges for common styles. Use them to pick a target.
| Genre | Typical BPM |
|---|---|
| Hip hop | 85 to 100 |
| Reggaeton | 90 to 100 |
| Pop | 100 to 130 |
| House | 118 to 128 |
| Techno | 125 to 140 |
| Dubstep | 140 (often felt at 70) |
| Drum and bass | 160 to 176 |
Who needs to change the tempo of a song
Changing BPM is useful whenever the beat has to line up with something:
- DJs matching two tracks for a blend or mashup.
- Runners matching music to their cadence, often around 160 to 180 steps per minute.
- Fitness instructors setting tracks for a class.
- Dancers rehearsing a routine slower before full speed.
- Producers fitting a sample or acapella to a project tempo.
- Musicians practising with a track a few BPM slower.
Tips for DJs and runners
Small changes are invisible. Moving a track by up to about 6% is common in DJ sets and rarely noticeable.
For running, match the BPM to your steps per minute, or to half of it. A 170 step cadence works with 170 BPM or 85 BPM songs.
If a song reads at half or double what you expect in the BPM finder, trust your ears. Many songs can be counted either way.
Want the tempo change to raise the pitch too, for a club or nightcore feel? Switch to varispeed mode.
Change the tempo of a copy, not your only file. Keep the original so you can make a different version later, for a faster set or a slower run, without stacking one tempo change on another.
Limits of tempo changes
You can change tempo from 0.5× to 2×. Large keep pitch changes, near half or double speed, can make drums sound softer and reverb slightly smeared. Songs with tempo changes or rubato will still vary in tempo after the change, since the whole song is scaled by the same amount.
Speed settings for common BPM changes
You do not need a calculator for the usual jumps. Here are some ready made speed settings. The formula is always the same: target BPM divided by current BPM.
Round to two decimal places. A difference of a fraction of a BPM rarely matters for practice or running, but DJs matching two tracks should confirm by ear and nudge if the beats drift over a long blend.
| From | To | Speed |
|---|---|---|
| 120 BPM | 128 BPM | 1.07× |
| 128 BPM | 124 BPM | 0.97× |
| 90 BPM | 100 BPM | 1.11× |
| 150 BPM | 170 BPM | 1.13× |
| 140 BPM | 70 BPM | 0.5× |
| 85 BPM | 170 BPM | 2× |
Private and free BPM changer
Your music stays on your device. The BPM changer runs in your browser with no account, no watermark and no upload. It works on desktop in Chrome, Edge, Firefox and Safari, and on iPhone and Android.