AACGain is a modification to Glen Sawyer's excellent mp3gain program. It supports AAC (mp4/m4a/QuickTime) audio files in addtion to mp3 files.
Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux

Normalize is described as 'Command line utility used to normalize the audio levels of audio files' and is a Sound Equalizer in the audio & music category. There are more than 10 alternatives to Normalize for a variety of platforms, including Mac, Windows, Linux, Android and Android Tablet apps. The best Normalize alternative is MP3Gain, which is both free and Open Source. Other great apps like Normalize are wxMP3gain, mp3rgain, QMP3Gain and easyMP3Gain.
AACGain is a modification to Glen Sawyer's excellent mp3gain program. It supports AAC (mp4/m4a/QuickTime) audio files in addtion to mp3 files.
