I guess I'm a bit late to the party, but after reading your comment I hacked something together - https://x.rukin.me It's ugly and I haven't spent any time styling it or improving editor(it's just textarea) but it works as PoC. Also I've started it before I read comments that hashify exists, otherwise I would probably not do it ;)

Compared to hashify:

- it uses zlib to compress data, so it can actually contain much more content(if it's repetitive)

- it also supports password encryption of the content (don't know why, but my friend said it would be cool)

- only supports markdown(no html) as I haven't found any good js lib for html sanitization on client side

Examples:

- With password: https://bit.ly/3c7xkyb pass: wasted

- Some markdown: https://j.mp/2AivRYr

P.S. I still have no idea why anyone will use it