https://youlean.co/free-loudness-meter/
RMS (Root Mean Square) metering is essential because it represents the average power of an audio signal, closely mimicking how the human ear perceives loudness, unlike "Peak" meters which only show the instantaneous highest points. 1. Youlean Loudness Meter 2 (Free Version) free rms meter plugin
Metering is the science behind the art of mixing. Relying solely on Peak meters is like driving a car while only looking at the speedometer; you know how fast you are going, but not how much gas you have left. An RMS meter gives you the full picture of your audio's energy. https://youlean