I remember that almost 20 years ago, I played with a utility that allowed manual JPEG optimization by painting regions with desired quality settings. I think it

I remember that almost 20 years ago, I played with a utility that allowed manual JPEG optimization by painting regions with desired quality settings. I think it was included on a CD bundled with "Magazyn internetowy WWW" [1]. Does anyone remember such program? [1] https://sprzedajemy.pl/www-magazyn-internetowy-2003-nr-04-03-72-warszawa-2-402203-nr53783895 https://sprzedajemy.pl/www-magazyn-internetowy-2003-nr-04-03... - incidentally this must be the very issue, see the teaser about image optimization