Minecraft Region Fixer

7.0easy start · #8 of 35
in Minecraft World Editors

Free to practise onyes
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on Linux, Mac, Windows.

Minecraft Region Fixer is ranked #8 of 35 in Minecraft world editors on The Geeks Club. 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: Yes
Supported platforms: Windows, Linux, macOS
Region editing: Yes
Terrain editing: No
Entity editing: Yes
Batch operations: Yes
Supported world formats: Minecraft region files (*.mca); Minecraft world folders

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The record

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

Where it ranks on The Geeks Club

Best Minecraft World Editors in 2026#8 of 35

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Sources

github.com/Fenixin/Minecraft-Region-Fixer· checked 2 Oct 2026
github.com/Fenixin/Minecraft-Region-Fixer/wiki/Usa· checked 2 Oct 2026