The IP address is revealed, yes. But there's no other data: no JavaScript, no referer headers, no cookies, URL tracking tags are removed before and after, etc.

The IP address is revealed, yes. But there's no other data: no JavaScript, no referer headers, no cookies, URL tracking tags are removed before and after, etc. I don't have any backend. The extension code is all local on your device and doesn't phone home to me. I don't aim to provide VPN service.