ChunkCleaner

Spec sheet

Purpose

ChunkCleaner automatically deletes Minecraft region files (.mca) with low playtime to reduce storage use and improve performance.Read 4 Oct 2026 · github.com

Intended users

The README describes it as a tool for deleting unused chunks or regions from Minecraft worlds based on playtime.Read 3 Oct 2026 · github.com

License

The repository includes an MIT license, which permits use, copying, modification, distribution and sale subject to its conditions.Read 4 Oct 2026 · github.com

Comparison modes

The -mode option supports perChunk and regionSum, and defaults to perChunk.Read 4 Oct 2026 · github.com

Dry run

The -dryRun option performs a trial run without making changes and defaults to false.Read 4 Oct 2026 · github.com

Example platform

The README’s command example invokes a binary named ChunkCleaner-Linux64.Read 4 Oct 2026 · github.com

File handling

The -newPath option moves region files to a specified directory; if it is omitted, the files are deleted.Read 4 Oct 2026 · github.com

How it judges use

It uses each chunk’s InhabitedTime to determine whether it is used.Read 3 Oct 2026 · github.com

How it measures use

It uses a chunk’s InhabitedTime value to decide whether it has been played in enough.Read 4 Oct 2026 · github.com

Input

The -path option specifies the directory containing the .mca files to clean.Read 4 Oct 2026 · github.com

Known caveat

The README warns that Minecraft’s InhabitedTime may update more slowly than expected in some chunks, including in versions 1.12.2, 1.17.1 and 1.18.2.Read 4 Oct 2026 · github.com

Planned features

The project lists adding LightPopulated and TerrainPopulated as options in its TODO section.Read 4 Oct 2026 · github.com

Planned options

The README lists adding `LightPopulated` and `TerrainPopulated` as TODOs.Read 3 Oct 2026 · github.com

Threshold

The default minimum inhabited tick threshold is 250.Read 4 Oct 2026 · github.com

Verbose output

The -v option increases the amount of information shown during processing and defaults to false.Read 4 Oct 2026 · github.com

Warranty

The README says the software is provided as is without warranties and disclaims liability for claims or damages connected with its use.Read 4 Oct 2026 · github.com

Where Specifiction places it

• Minecraft World Editors#27 of 357.1