Java Edition world guide
A Java world export is a ready-to-play world with the build already in it, so you do not need any mods.
New to Java world?
A full world with the build already in it. Unzip the download, move the folder into your saves, and it shows up in singleplayer. Nothing to install.
What you need
Minecraft Java Edition
Anything that unzips files
Your .minecraft/saves folder
What is Java world?
A Minecraft world is really just a folder of files. Bloxelizer makes that folder for you with the build already placed, so you drop it into your saves and play.
How to use a Java world export
01
Export the world
Pick “java.world” in Bloxelizer and download the zip.
02
Unzip it
Unzip the download and find the folder with level.dat inside it.
03
Move it and play
Put that folder in .minecraft/saves, start Minecraft, and the world will be in your singleplayer list.
When to use it
Pick a Java world to walk around the build straight away, share a map with friends, or skip installing WorldEdit or Litematica.
Things to watch out for
Unzip the download first. The folder with level.dat inside it is the one that goes in saves. Opening a world in a newer Minecraft can change it for good, so keep a copy.
Useful tips
Watch for a double folder
World missing? You probably have a folder inside a folder. level.dat has to be one level below saves.
Copy it before updating
Once you open a world in a newer Minecraft you often cannot go back, so keep a backup.
Frequently asked questions
Ready to export Java world?
Choose java.world in the converter’s export menu.