HTML5 is the boring answer that still matters: your publication runs where people already read—Chrome, Safari, Edge, mobile Safari—without asking them to install anything from 2008.
Older page-flip tools leaned on Flash or custom plugins. Corporate networks blocked them, iOS never ran them well, and every OS upgrade was a fire drill. An HTML5 flipbook renders with the same web stack as the rest of your site: canvas, images, and standard controls. IT sees “standard browser content,” not a black-box executable.
Garbage in, garbage out: blurry scans and eight-point body copy stay painful until you fix the PDF. The format only removes the delivery headache.
Compare presentation options in interactive PDF viewer and page flip software explained.