Shift the pitch and speed of a track independently — no chipmunk effect. Slow a solo down to learn it, or move the key to match your voice.
Drop your song or click to upload
MP3, WAV, or FLAC up to 50 MB
Free & private. Try the demo above to hear a real AI separation of a full song.
A pitch and tempo changer lets you move a song's key without speeding it up, or slow it down without dropping the pitch. Singers shift a song into their range; learners slow a fast solo to practice it; DJs match keys and BPMs for a mix.
Formants are preserved, so pitched vocals stay natural instead of turning into a chipmunk.
Change one without affecting the other — formant-safe, natural sound.
Slow difficult sections to 50% to learn them note for note.
Shift the key up or down to fit your voice or instrument.
Any MP3, WAV, or FLAC — or paste a link.
Shift up to ±12 semitones and 50–150% speed.
Save your adjusted track, ready to practice or perform.
No — pitch and tempo are independent, so slowing a song down keeps it in the same key.
No. We preserve formants so pitch shifts stay natural, even by several semitones.
Up to ±12 semitones of pitch and 50–150% tempo.