Chunker Batch Converter

A GUI application for batch converting Minecraft worlds between Java and Bedrock editions using the Chunker tool.

Download

You can see all versions from Releases tab

• Download for Windows (v1.0)
• Download for macOS (Intel) (v1.0)

Features

• Download and manage Chunker CLI JAR files directly from GitHub releases
• Batch convert multiple Minecraft worlds at once
• Support for both Java to Bedrock and Bedrock to Java conversions

Requirements

• Python 3.9 or higher
• PyQt6
• Java 17 or higher (required for Chunker)

Installation

1. Install Python dependencies:

pip install PyQt6 requests

2. Run the application:

python main.py

Usage

Input Directory Structure

The input directory should contain one or more Minecraft world folders. Each world folder should have the following structure:

Input folder
├── world1
│   ├── level.dat
│   └── ... (other world files)
├── world2
│   ├── level.dat
│   └── ... (other world files)
└── ...

Step-by-Step Usage

1. Download or select a Chunker CLI JAR file
   • Click "Download Selected Version" to get the latest version from GitHub
   • Or click "Browse for JAR" if you already have the JAR file
2. Select a Java executable (optional)
   • If you have multiple Java versions, click "Select Java" to choose Java 17+
3. Select input and output directories
   • Input directory should contain Minecraft world folders
   • Output directory is where converted worlds will be saved
4. Choose target format
   • Select Java or Bedrock as the target edition
   • Select the specific game version
   • Or choose "Custom" to enter a custom format version
5. Click "Start Conversion" to begin the batch conversion process

Supported Formats

For the latest list of supported formats, check the Chunker Repository.

Common formats include:

• Java: JAVA_1_21_5 for Minecraft Java 1.21.5
• Bedrock: BEDROCK_1_21_70, for Minecraft Bedrock 1.21.70