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Minecraft World Converter
What it is
Minecraft World Converter is a free, open-source Windows desktop tool for converting Minecraft world saves. It converts between Java Edition and Bedrock Edition in either direction, and it can change versions within one edition, including downgrades such as Java 1.20 to Java 1.16. Users select a target game version, with the latest version set by default. Multiple saves can be imported and converted in batch to a chosen output directory. An optional forced-repair mode resaves chunks in an attempt to repair damaged data. The graphical interface provides live logs and does not require command-line operation. The project is built on Amulet Core, a Python library for reading and writing Minecraft save formats, and the README describes a packaged Windows executable named mcconvert.exe. Available target versions depend on Amulet updates; unsupported selections may use the nearest compatible version. The project uses the MIT license. Its README recommends backing up original worlds first because conversion is high risk.
For and against
For
- Converts Java and Bedrock worlds both ways
- Supports same-edition version changes and downgrades
- Batch-converts multiple saves
- Offers optional chunk repair mode
- Graphical interface includes live logs
Against
- Windows is the listed platform
- Target versions depend on Amulet support
- Unsupported targets may use a nearest version
- Conversion is described as high risk
The verdict
Minecraft World Converter provides broad save-conversion options in a Windows graphical tool. Back up original worlds and check target-version compatibility before converting.
Who it suits
It suits Windows users who need Java-Bedrock conversion, same-edition version changes, or batch processing. It also fits developers working with the project’s Python and Amulet Core requirements.
On the record
- Backup warning
- The README warns users to back up original saves before conversion because conversion is high risk.github.com · read 7 Oct 2026
- Batch processing
- It can import multiple saves and convert them in batch to a selected output directory.github.com · read 7 Oct 2026
- Build
- The project says it uses PyInstaller to package a single-file executable named mcconvert.exe.github.com · read 7 Oct 2026
- Compatibility limit
- The README says available target versions depend on Amulet updates and that unsupported choices may use the nearest compatible version.github.com · read 7 Oct 2026
- Conversion
- It supports conversion in both directions between Java and Bedrock.github.com · read 7 Oct 2026
- Core library
- The project says it is built on the Amulet Core library.github.com · read 7 Oct 2026
- Data caution
- The README advises users to back up original worlds before conversion because the operation is high risk.github.com · read 7 Oct 2026
- Dependency description
- Amulet Core describes itself as a Python library for reading and writing Minecraft save formats.github.com · read 7 Oct 2026
- Development requirements
- The README recommends Python 3.10 or 3.11 and a Windows environment for development.github.com · read 7 Oct 2026
- Interface
- The tool has a graphical interface with live logs and does not require command-line operation.github.com · read 7 Oct 2026
- License
- The project README identifies the tool's license as MIT.github.com · read 7 Oct 2026
- Purpose
- A desktop tool for converting Minecraft Java and Bedrock world saves.github.com · read 7 Oct 2026
- Repair
- Its optional forced repair mode resaves chunks to try to repair damaged data.github.com · read 7 Oct 2026
- Target versions
- Users can choose a specific target game version, with the default set to the latest version.github.com · read 7 Oct 2026
- Version changes
- It supports changing versions within the same platform, including downgrades such as Java 1.20 to Java 1.16.github.com · read 7 Oct 2026
- Version support limit
- Available target versions depend on Amulet, and unsupported selections may use the nearest compatible version.github.com · read 7 Oct 2026
- Windows download
- The README describes downloading and running a Windows executable named mcconvert.exe.github.com · read 7 Oct 2026
