Let's Cut to the Chase: How Much File Size Do You Lose Converting HEIC to JPG?

https://thedatascientist.com/heic-to-jpg-converter-best-worst-options/

5 Critical Questions About HEIC to JPG Conversion Everyone Asks People ask the same five things over and over: how much smaller will the file get, does quality take a hit, are there settings that matter, will metadata disappear, and is there