Audacity is the most comprehensive free cross-platform editor that I have tried. WavePad is another excellent audio editing software for Windows and macOS that is free for non-commercial use.

Overall, both Audacity and Ocenaudio are great free options for users who need to edit audio on a budget. While they may not offer all of the advanced features of paid software, they are both ...

This software is free for non-commercial use only ... File menu and use the Batch processing feature to do that. An audio editor is also present in it that contains tools like volume change ...