It is understandable to want access to protected information. But the tools you encounter in this search are universally malicious. Here is what you risk:
Survey scams often ask for your phone number or credit card information to "verify your age." This data is sold to fraudsters or used to enroll you in expensive subscription services without consent. facebook private profile viewer by istaunch free
The simplest and most ethical method. If the person knows you or approves your request, their entire profile becomes visible to you. If they decline, respect their privacy choice. It is understandable to want access to protected information