If you want to control who can use a viewer on your own profile, you should adjust your in the WhatsApp app: Go to Settings > Privacy . Tap on Profile Photo . Choose between:
This paper examines the technical feasibility and security implications of third-party "WhatsApp profile viewer" applications. It concludes that such tools are non-functional and often serve as vectors for malware or data harvesting. Technical Context whatsapp profile picture viewer
As of now, WhatsApp does not provide a feature that notifies you when someone views your profile or your display picture. Unlike or LinkedIn , where "views" are a core metric, WhatsApp is designed as a private messaging utility. If you want to control who can use
: Websites like WhatsApp Tools allow users to enter a country and phone number to fetch the public DP of a user, even if they aren't in your contact list. It concludes that such tools are non-functional and
WhatsApp does not provide any official feature to view hidden profile pictures or download them natively.