WhatsApp’s Terms of Service strictly forbid the use of "unauthorized third-party applications." Using "WhatsApp Mod" versions (like GBWhatsApp or WhatsApp Plus) to bypass privacy settings can result in a permanent ban of your phone number from the platform. WhatsApp Privacy Settings: Protecting Your Own DP
If you are on the other side of the fence and want to make sure no "viewer" can see your photo, you have total control. Go to > Privacy . Tap on Profile Photo . Choose between: Everyone: Anyone with your number can see your photo. whatsapp profile picture viewer
If you want to see a profile picture, the best (and safest) way is to simply add the person to your contacts and hope their privacy settings allow it. If you’re trying to see who viewed your profile, remember that some mysteries are better left unsolved for the sake of your digital security. WhatsApp’s Terms of Service strictly forbid the use