primal.net and/or iris.to, if either one is bugging you just use the other one, v easy and intuitive if you already have been using nostr

but first, have a chromium based browser ready (Brave or firefox) and download getalby.com extension (so you dont have to put in your nsec manually so you avoid making it vulnerable to hacking attacks (or something))

Just follow the instructions and after setup click the big purple box that says NOSTR to setup the auto-login