Mp3Trim can clean up, trim, amplify and fade-in/out your MP3s.
Cleaning is useful on most MP3s and reduces the file size. Trimming is useful on files that contain unwanted noises or sounds. Amplifying is useful on low volume MP3s. Note that mp3Trim works precisely on MPEG frame boundaries. NEW: mp3PRO support. mp3Trim now identifies mp3PRO files and displays the correct type. info header support. That allows mp3Trim to retain extra info stored in the MP3s by other tools. There is a new option for that, enabled by default. mp3Trim has a new icon. As usual download here