IMVU’s ToS prohibits tools that expose hidden/unpublished content without permission. A real-world tool would need:
: You can view products in a room by entering the scene and clicking the information icon to see a list of available room products and public avatar items. Shop Search imvu hidden outfit viewer
IMVU Hidden Outfit Viewer is a third-party tool or website designed to reveal the specific items (clothes, accessories, skins) that an avatar is wearing, even if the user has set their outfit products to "hidden" account settings skins) that an avatar is wearing