If you prefer not to use third-party apps, you can use these manual techniques to maintain a lower profile:

Facebook’s architecture does not allow third-party tools to bypass its privacy settings or hide your view activity. Any service claiming otherwise is misleading you.

Ultimately, the development and use of anonymous Facebook viewers must be approached with caution, considering both the benefits and risks associated with online anonymity. By prioritizing online safety and responsible usage, users can navigate the complexities of social media while protecting their identity and data.