mp3rgain
by M-Igashi
Install mp3rgain with winget
winget install -e --id M-Igashi.mp3rgain
Download the instant installer and run!
mp3rgain adjusts MP3 volume without re-encoding by modifying the global_gain field in each frame's side information. This preserves audio quality while achieving permanent volume changes. Features include ReplayGain analysis, AAC/M4A support, and full mp3gain command-line compatibility.
