Drag & drop your world folder, a .zip of it, or one or more region .mca files.
%AppData%\.minecraft\saves (Windows) or ~/Library/Application Support/minecraft/saves (Mac).region folder, or individual r.X.Z.mca files.100% private — everything is parsed in your browser. Your save is never uploaded to a server.
Supports Minecraft Java 1.13+ (Anvil region format). Bedrock .mcworld is not supported yet.
Disclaimer: This tool is an independent, unofficial utility and is not affiliated with, endorsed by, or sponsored by Mojang Studios or Microsoft. “Minecraft” is a trademark of Mojang Studios. This tool only reads your own local world files to help you 3D print your creations; you are responsible for ensuring you have the rights to any world you convert.