The best part of this info it’s all free.
It may be free, but does it collect all your address data and sends it to some server?
Because I think that would hardly be private if that is the case, because there wouldn't be a point in checking your own wallet's graph if somebody could just instantly blacklist you just for looking.
The OP was looking for the specific online tool and they found it. That said, I believe the OP is smart enough to mask their IP using a VPN preferably the multi-hop VPN or TOR when accessing that tool. Besides, they might just be checking the graph of a wallet that doesn’t even belong to them, but to some stranger let’s say toNotATether
.