: iStaunch and similar sites often market "tools" that claim to let you view locked profiles, hidden photos, or private friend lists by simply entering a profile URL.
You can sometimes view public profile pictures or cover photos by navigating to the profile while logged out or in an incognito window. Google Search: facebook private profile viewer by istaunch portable
To ensure your profile remains secure from unauthorized viewers: Privacy Checkup Facebook Privacy Checkup : iStaunch and similar sites often market "tools"