Change Audio Speed Without Losing Control
Choose a faster or slower playback rate and decide whether pitch should stay natural.
Upload audio to retime
MP3, MP4, WAV, M4A, AAC, or FLAC · up to 200 MB
Time stretch
Retime Speech, Music, or Recordings
Change duration while controlling how voices and notes sound.
Choose audio
Add one supported track.
Set playback speed
Choose a rate and pitch-preservation behaviour.
Process in VisionStory
Create and review the retimed audio.
Speed control
Faster or Slower, with Intent
Tune the timing for the listening context.
Slow review
Lengthen audio for study or close listening.
Original timing
Return to the source playback rate.
Fast playback
Shorten spoken or reference material.
Frequently asked questions
Enable pitch preservation when you want voices and notes to remain closer to their original tone.
