Optimizer 13.1 upgrade to Windows 10 and 11 for free
Free MP3 Quality Optimizer download for free - GetWinPCSoft
Music - Super Compression - useful programs/tools and information!
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.
Make files smaller without losing quality with FileOptimizer | Angry Sheep Blog