MP3 Doctor is an editing tool that lets you check, modify, and improve all your MP3s. You can repair imperfect songs or modify them with trimming, normalization features, and more. The goal is to let you mantain a similar quality and sound on all your existing MP3s. MP3 Doctor now has a Diagnostic Wizard that checks your files and makes changes if needed. In addition, it comes with encode, rip, and decode options.