from a security and privacy point
and not surface stuff like “whats my ip” “whats my fingerprint” (someone said the fingerprint checking sites are useless idk) or “is tor connected”
tdlr: i want to know tools to find where the security/privacy holes are
For free, Kali is a good place to start. Just start looking up how to do stuff, learning, etc. Pick a tool and start learning about what it’s for, how to use it. etc. Keep going until you’ve learned what does what.
https://www.geeksforgeeks.org/linux-unix/kali-linux-vulnerability-analysis-tools/