Welcome to IndexLobby
A free, no-signup chat room — pick a name, join the public lobby, or DM anyone online.
No registration · Real-time · Open research sandbox
Public Chat
Join the lobby and chat with everyone in real-time. No apps to install.
Private Messages
Click any username to send a direct message — only the two of you see it.
Simple & Clean
No registration needed. Just pick a username, accept the terms, and start chatting.
Why IndexLobby?
This is a hobby research project for studying real-time chat, moderation, and automated behaviour. Conversation may include research bots that join the same way you do. Messages are logged — see our Privacy Policy and How It Works for details.
Looking for a no-account public room? See free online chat without signup.