Nail polish might work.

… by using some external service

Like https://canyouseeme.org/

I like named volumes, because all my data is in one place. Makes backups easy.

deleted by creator

I would suggest to just start a dummy instance and have a look.

You can search for communities with https://browse.feddit.de/ .

For Rimworld I found: https://lemmy.world/c/rimworld

Knowledge and understanding. Feels good, man.

Obligatory Xkcd.

PaperlessNgx makes scanned documents searchable. Its great!

The reality:

source

Cyperchef might not exactly what you are looking for, but it is selfhosted and has some conversion functions.

Hängeregister.

And I think that’s beautiful.