Online Audio Cutter is a free tool that anyone can use to quickly adjust the length of an audio recording. Online Audio Cutter can also be used to add fade-in and fade-out effects to your audio files. Online Audio Cutter can be used with files that you upload to it. If there is a YouTube or Sound Cloud clip that you want to edit (remember to use Creative Commons and Public Domain content) Online Audio Cutter can work with those files too. Just paste the URL of the YouTube or Sound Cloud clip in order to edit it.