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Tech riderRev. 20 Sept 2026

LCE2JE

Ch 086.9of 18 Minecraft World Converters
  1. 1Runs onLinux, Windows
  2. 2CostsNot stated by the maker
  3. 3Source editionsLegacy Console Edition (LCE) Windows64
  4. 4Target editionsMinecraft Java Edition 1.6.4; Legacy Console Edition (LCE) Windows64
  5. 5Java-Bedrock conversionNo
  6. 6Version conversionNo
  7. 7Format conversionYes
  8. 8Preserves entitiesYes
7 lines stated Written from the maker's own pages: github.com
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The LCE2JE homepage

Overview

LCE2JE is ranked #8 of 18 in Minecraft world converters on Specifiction. It runs on Linux, Windows.

Compared on Minecraft world converters

Free plan
Yesgithub.com
Source editions
Legacy Console Edition (LCE) Windows64github.com
Target editions
Minecraft Java Edition 1.6.4; Legacy Console Edition (LCE) Windows64github.com
Java-Bedrock conversion
Nogithub.com
Version conversion
Nogithub.com
Format conversion
Yesgithub.com
Preserves entities
Yesgithub.com

Facts

Purpose
LCE2JE converts Minecraft Legacy Console Edition Windows64 .ms world saves to standard Minecraft Java Edition 1.6.4 saves.github.com · 1 Oct 2026
Target build
The converter is specifically designed for the leaked Windows64 build of Legacy Console Edition.github.com · 1 Oct 2026
User interface
It provides an interactive, cross-platform graphical user interface for the conversion process.github.com · 1 Oct 2026
Windows download
Windows users can download a standalone portable lce2je.exe executable.github.com · 1 Oct 2026
Linux download
Linux users can download a standalone lce2je.AppImage executable.github.com · 1 Oct 2026
Dependencies
The precompiled Windows and Linux binaries do not require Python or other dependencies to be installed.github.com · 1 Oct 2026
Player mapping
The converter scans player profiles and lets the user choose which profile becomes the Java Edition host.github.com · 1 Oct 2026
Conversion pipeline
It extracts the proprietary .ms archive, converts binary chunk formats, translates NBT structures, and reconstructs a Java Edition 1.6.4 world folder.github.com · 1 Oct 2026
Output handling
After conversion, the output folder opens automatically and can be copied into .minecraft/saves.github.com · 1 Oct 2026
Reverse conversion
The repository also includes command-line scripts to convert Java Edition 1.6.4 worlds back into LCE format.github.com · 1 Oct 2026
Modern-version compatibility
The pipeline sanitizes proprietary LCE string UUIDs and rebuilds standard Java Edition UUID integers to help prevent crashes when upgrading converted worlds.github.com · 1 Oct 2026
File safety
Converted chunks and metadata are written through temporary .tmp files so interruptions do not leave partially written files.github.com · 1 Oct 2026
License
The software is licensed under the GNU General Public License version 3.0.github.com · 1 Oct 2026
Windows warning
The standalone Windows executable is unsigned by default and may trigger Windows SmartScreen or antivirus warnings.github.com · 1 Oct 2026
Product status
The repository states that lce2je is not an official Minecraft product and is not endorsed by Mojang.github.com · 1 Oct 2026
Input scope
The converter is designed specifically for the leaked Windows 64-bit build of Legacy Console Edition.github.com · 2 Oct 2026
Interface
The tool provides an interactive graphical interface that guides users through conversion.github.com · 2 Oct 2026
Chunk conversion
The converter translates LCE region chunk data and NBT structures into Java world formats.github.com · 2 Oct 2026
Compatibility
Its conversion pipeline sanitizes proprietary LCE string UUIDs and rebuilds Java Edition UUID integers to support upgrading converted worlds to modern Minecraft versions.github.com · 2 Oct 2026
File handling
Converted chunks and metadata are written to temporary .tmp files until writing is complete.github.com · 2 Oct 2026
Downloads
The Releases page offers standalone portable executables for Windows and Linux.github.com · 2 Oct 2026
Windows notice
The README says the standalone Windows executable is unsigned by default and may be flagged by SmartScreen or antivirus software.github.com · 2 Oct 2026
Advanced use
The README documents command-line entry points for both conversion directions and says users must install dependencies from requirements.txt.github.com · 2 Oct 2026
Support
The repository exposes GitHub Issues for reporting or discussing problems.github.com · 2 Oct 2026
Release
The Releases page lists v1.0.0 as the latest release and describes it as the initial release.github.com · 2 Oct 2026
Maker
The maintainer profile identifies Nico as a computer science student from Chile.github.com · 2 Oct 2026

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Sources