Try https://atomstr.data.haus . I've previously used https://rsslay.nostr.moe/ but that seems like it's down.
Discussion
Thnaks! this is a nice and easy RSS feed adder that even I managed to use lol :)
nostr:note1mk2vnn5pg302g5wgx6t0glq46e2dmt5lm3c0lny5jqsa7derkmfsss97pk
I want to learn about RSS
Thank you 😊