Copy World
Adds a button to the edit world screen to quickly make a copy of your world
Screenshots
About this Mod
Copy World
This Minecraft mod for Fabric adds a button to the edit world screen to quickly make a copy of your world!
Disclaimer
I made this in a rush and as a way to learn mixins so if you have any issues or suggestions please report them to me :)
Available Versions
How to Install Copy World on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.20.1).
Install Mod
Open the mod browser in the dashboard and search for "Copy World". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.1, 1.20, 1.19.4 (+1 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Copy World server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.20.1). You can switch loaders with one click in the panel.
Is Copy World compatible with fabric and quilt?
Copy World officially supports fabric, quilt for Minecraft 1.20.1, 1.20, 1.19.4. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Copy World – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Copy World consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install Copy World with just one click on your server.