Adobe Autotune ((free)) -

: Produces a more natural correction suitable for fixing minor off-pitch notes without sounding processed.

This is the closest Adobe equivalent to the traditional "Autotune" experience. It is designed to correct the pitch of a vocal track to the nearest semitone. adobe autotune

Setting the correct Scale (Major, Minor, or Chromatic) and Key ensures the software pulls notes toward the right pitches for your specific song. : Produces a more natural correction suitable for