Sound Normalizer - Gain FLAC Mp3 MP4 Wav ALAC AAC Ogg APE audio files
Optimizer 14.8 Free Download for Windows 10, 8 and 7 - FileCroco.com
GitHub - till-f/MP3-Optimizer-for-Blue-Me: Small tool to fix any issues with playing MP3 files from USB on Blue&Me units (used in cars of Fiat, Alfa Romeo and Lancia). Includes a playlist editor.