Shimitar

Cut damage. They cut the board without some protection and that ruined the hard white layer. Shitty carftmanship.

Gimp or krita are free and can do what you are looking for image editing and transparent background.

Free webapps? And who pay for the hosting? You are looking for the wrong target.

Lots of free PDF editing tools. Even web ones of you self host those (Stirling PDF anyone?).

Aaaand I read “your bath math situation”…

How that possible? Looks like a random photo, or whatever.

Well, yeah. Sad.

I agree, maybe its some social experiment

Got a few myself! Looks like whoever is behind it keep registering on different instances.

Would be interesting to know why they do it