ezMP3edit is a robust MP3/WAV editor for Windows 9x/ME/2K/NT/XP featuring: Powerful batch editing - Have 100 mp3's you want to normalize and fade out? No problem! Any series of editing operations can be applied to multiple files. Supports both standard WAV and all ACM (audio compression manager) formats. Supports MPEG Layers 1/2/3. Convert files between WAV and MP3. Record audio from cd, microphone, or line-in. Supports DirectX. Tools include: Echo, Invert, Loop, Modify, Offset, Phase Shift, Pitch Change, Reverse, Volume Normalize, Fade, Pan, Cycle. Work with multiple files in one instance or across multiple instances. Multiple clipboards. Intuitive design for quick learning and easy operation.
This software is a shareware. You will be able to download and test EzMP3edit during a certain period of time, then, if it does what you need, you will have to acquire the full version from EzMP3edit publisher. The EzMP3edit 1.0 free trial version contains an installer and an uninstaller, and has a size of 640 Kilobytes.
For additional information and support request, please contact directly EzMP3edit publisher.

EzMP3edit Screenshot