01 / Song
Drop the song
Any sound file: a song, a backing track or a voice.
Free tool
Move a song up or down by semitones to fit your voice or your instrument, without making it faster or slower. Or change the tempo to practise slowly while the key stays the same. Listen to the result, then save it as MP3 or WAV. Nothing is uploaded.
Save
The sound is changed in your browser. It is never uploaded.
How it works
01 / Song
Any sound file: a song, a backing track or a voice.
02 / Shift
Semitones up or down, and the tempo if you want.
03 / Save
MP3 or WAV, the same length unless you changed the tempo.
Questions
A semitone is the step between two neighbouring piano keys. Two or three semitones down often suits a lower voice; twelve is a full octave. If you know the song's key, the song key finder helps you pick.
No. The pitch moves while the length stays the same. Tempo is a separate slider, so you can slow a song down to practise without changing its key.
It uses a phase vocoder, the method behind most pitch tools. Small shifts sound natural; big shifts of more than about five semitones start to sound processed, especially on voices.
No. The sound is changed in this browser tab.