Play together instantly. No server needed. Host your singleplayer world and invite friends in seconds.
Join Menu
Server Menu (OFF)
Server Menu (ON)
Friends Menu (WIP)
Tired of complicated server setups? Seamless transforms multiplayer gaming by eliminating the technical headaches. No port forwarding nightmares, no router configuration struggles – just pure gaming fun with your friends!
Seamless revolutionizes how you play Minecraft with friends by bringing server hosting directly into your game. Using cutting-edge P2P technology, it automatically establishes connections between players, even when both are behind NAT or firewalls. Say goodbye to technical barriers and hello to instant multiplayer!
Launch a multiplayer server directly from Minecraft – no separate server software, no console commands, no complexity. Just click "Host Server" and you're ready to play!
Forget about router configuration! Seamless automatically handles port forwarding using UPnP technology. If automatic setup isn't possible, you'll get clear, easy-to-follow instructions.
Share a simple 6-digit code instead of complicated IP addresses. Your friends can join in seconds by entering the code – it's that simple!
Manage your friends directly in-game with real-time status updates and persistent friend lists.
Modern networking technology that works even behind NAT and firewalls. Direct peer-to-peer connections with automatic fallback to relay servers if needed.
Never join an incompatible server again!
Works with both Fabric AND NeoForge – same great features, same smooth experience, your choice of mod loader!
Currently, joining works via 6-digit invite codes:
Note: The friend list feature is currently in development. For now, use invite codes to join servers.
config/seamless/friends.jsonNeed help? Have suggestions? Found a bug?
The following items reflect the current direction of development. These are planned features, not guarantees. Stability comes first.
Planned support for additional versions:
The focus is on supporting the most important versions first, with others coming later.
Seamless is explicitly allowed to be used in modpacks.
If you want to include Seamless in a public or private modpack, feel free to do so. The only requirement is that all players in a session use the same mod setup.
If you run into issues, incompatibilities, or edge cases while integrating Seamless into a modpack, modpack creators are very welcome to reach out. Feedback from modpack authors is appreciated and helps improve compatibility.
All rights reserved.
Developed with ❤️ by Ecentrix
Special thanks to the Minecraft modding community and everyone who contributes to making multiplayer gaming more accessible!
Download Seamless today and experience multiplayer the way it should be!
No technical knowledge required – just install and play.