It’s actually compressed. It uses https://github.com/nodeca/pako and then applies base64. Try entering hundreds of "a" and you’ll see that the base64 doesn’t really get much longer.
And if you live with a toddler, even those have to exist and are necessary for becoming a healthy being. At least if they are met with understanding by the parents.
> PlutoBook depends on the following external libraries:
> Required: cairo, freetype, harfbuzz, fontconfig, expat, icu
> Optional: curl, turbojpeg, webp (enable additional features)