Speed/Pitch Changer

What is Speed/Pitch Changer?

Speed/Pitch Changer lets you adjust the playback speed and pitch of any audio file independently. Slow down music to learn parts, speed up podcasts, shift pitch for vocal training, or create fun effects. Preview changes in real-time and download the modified audio.

How to use

1. Upload an audio file — MP3, WAV, OGG, and other common formats are supported.
2. Adjust the speed slider (0.25× to 4×) and pitch slider (-12 to +12 semitones). Changes preview in real-time as you play.
3. Download the modified audio as WAV when you're happy with the result.

Result

You're learning a fast guitar riff. Upload the song, slow it to 0.5× speed without changing the pitch, and practice along. Once comfortable, gradually increase speed back to 1× while keeping the same pitch.

Related Tools