So I've just found a way to import QR Code Art Generator to Nostr. Unfortunately it's hard (impossible?) to implement a simple ux that can achieve good looking and very good scanning. But I really want to add it to my not.

nostr:nevent1qqszy4rgqswg58prjjc36f9jfgsz5lhevsjh3c3xhgs3syq84de2vggpzemhxue69uhkummnw3ezumnfvdnxzc3wv46j7q3qr34nhc6nqswancymk452f2frgn3ypvu77h4njr67n6ppyuls4ehsxpqqqqqqzmtux5c