Minecraft Region Fixer

Minecraft world editors

Free plan#5 in Minecraft world editors

At a glance

Minecraft Region Fixer is ranked #5 of 66 in minecraft world editors on VGSources. It runs on Linux, macOS, Windows. There is a free plan.

Minecraft Region Fixer plans and pricing

All plans

Minecraft Region Fixer Free GPL-3.0 licensed · requires Python 3.x github.com · 2 Oct 2026

Compared on minecraft world editors

Free plan: Yesgithub.com
Supported platforms: windows, linux, macosgithub.com
Region editing: Yesgithub.com
Terrain editing: Nogithub.com
Entity editing: Yesgithub.com
Batch operations: Yesgithub.com
Supported world formats: Minecraft region files (*.mca); Minecraft world foldersgithub.com

Facts

Purpose: Locates problems and tries to fix Minecraft worlds or region files.github.com · 2 Oct 2026
Corrupted chunks: It can replace corrupted chunks in region files using old backup copies of a Minecraft world.github.com · 2 Oct 2026
Without backups: Without a backup, it can eliminate corrupted chunks so Minecraft regenerates them.github.com · 2 Oct 2026
World file scanning: It scans level.dat and player .dat files and prints warnings when it encounters problems, but does not fix those files.github.com · 2 Oct 2026
Other uses: The project says it can replace chunks or regions with a backup, remove entities, and help investigate world problems.github.com · 2 Oct 2026
Command line: The README documents running the program with Python, including the command python regionfixer.py --help.github.com · 2 Oct 2026
Python requirement: The program requires Python 3.x and does not work with Python 2.x.github.com · 2 Oct 2026
Platforms: The usage wiki describes running from source on Windows, Linux, and Mac; Linux and Mac use python regionfixer.py.github.com · 2 Oct 2026
Parallel scanning: The command line supports a --processes or -p option to set the number of processes used for scanning.github.com · 2 Oct 2026
Logging: The command line supports a --log option that saves detailed results to a log file.github.com · 2 Oct 2026
Destructive actions: The usage guide documents options to delete broken chunks, broken region files, or entities when a chunk contains too many.github.com · 2 Oct 2026
Safety warning: The project warns that bugs may exist and recommends backing up a world before running the tool, which it says is used at the user's own risk.github.com · 2 Oct 2026
Support: The README directs bug reports and suggestions to GitHub and recommends Minecraft forum posts for feedback and questions.github.com · 2 Oct 2026
License: The repository identifies its license as GPL-3.0.github.com · 2 Oct 2026