In addition to having the best stand-alone "slow-downer" on the market, Song Surgeon also offers the only web-based or online service to adjust pitch or key and tempo. The system is very simple and easy to use and supports most common file formats.

• STEP 1.
  Browse to upload your audio file.
• STEP 2.
  Adjust pitch and/or tempo as desired.
• STEP 3.
  Click button to process changes in file.
• STEP 4.
  Select your desired file format and download the file to your computer.

Song Surgeon uses a state-of-the-art sound engine to accomplish pitch and tempo change. This service uses only one algorithm for pitch and tempo change. The desktop application uses two different algorithms to accomplish to provide unmatched sound quality from pitch/key and tempo change. When it's done you won't know file was the original file and which file was changed.