How to trim mp3 audio files on MacOS. It's free!
Use QuickTime to trim audio files on your Mac without any extra additional software. The feature is baked into your operating system just like a lot of other cool features you mightn't have known about.
Open the QuickTime application:
Select your audio file from the file browser
Once your file is opened press CMD+T or go to Edit > Trim...
Trim your audio file accordingly just as you would a video on iOS and press Trim
And that's it! You now have a shorter audio file you can Export in File > Export
Happy trimming!
Cześć!