A GUI for MP3Packer:
Simply, the fastest, multithreaded, and simple GUI to recompress your CBR MP3 files to VBR and save some precious space. It can even help you squeeze a bit more bytes our of your VBR files!
You need mp3packer copied to the location where you have this software.
Written in Visual Basic .NET using Visual Studio 2017 and 2019.
Enjoy!