If a tool promises to show you something that the platform’s official interface deliberately hides, assume it’s breaking the rules and putting your account—and possibly your device—at risk. The “exclusive” features aren’t worth the exclusive penalty of a permanent ban.
When an avatar enters a chat room, the game server must send the specific Product ID numbers for every item that avatar is wearing so your computer can render them. A hidden outfit viewer catches these public Product IDs before the client hides them behind a privacy wall, allowing users to look up the exact links in the store catalog. The Risks of Using Third-Party Viewers
When a tool does work, it usually exploits a temporary glitch in the IMVU mobile or desktop API. IMVU patches these bugs quickly to protect user privacy. High-Risk Warning: The Dangers of Third-Party Viewers