mcatool

CLI tool for packing & optimizing Minecraft saves.

Features

• Pack/unpack Minecraft saves.
• Up to 35% better compression ratio than existing algorithms.
• Purge chunks based on inhabited time.
• Multithreaded, will use all cores/threads by default.
• More yet to come.

Performance

• Seed: -5922982267743497625
• Pre-generated out 500 (square) for each dimension.
• Created w/ Paper & Chunkmaster.

Notes

• You may want to create a backup of your world first.
• Packed worlds are not normal ZIP files.

Usage

Pack/compress a world.

mcatool pack ./world world.zip

Unpack/decompress a world.

mcatool unpack world.zip ./world

Remove all unvisited chunks from a world.

mcatool purge ./world 0

Remove all chunks that haven't been inhabited for more than 1m.

mcatool purge ./world 60