WhatsApp hidden settings: Features most users do not know

You can lock chats using the Chat Lock feature to keep conversations private.

You can hide your last seen, profile photo, and status from specific contacts.

You can turn off read receipts to stop others from seeing blue ticks.

You can use disappearing messages to auto-delete chats after a set time.

You can mute unknown callers to avoid spam calls.

You can control who can add you to groups in privacy settings.

You can back up chats to cloud storage for safety.

You can pin important chats at the top for quick access.