It’s your personal lifetime of experience saying “if it looks like a duck and quacks like a duck…”

Tumblr is a for profit company like many of their peers in the social media industry. They will latch onto anything of perceived value and suck it dry for their own gain then toss it aside when no longer useful to their profit margins

OP have a look at “Jimmy”, it might be what you’re looking for: https://marph91.github.io/jimmy/formats/joplin/ ( https://github.com/marph91/jimmy )