Minecraft World Trimmer
- Android app
- Not listed
- Free plan
- Yes
- Runs on
- Linux, Mac, Windows
Summary
Minecraft World Trimmer is a free tool for reclaiming storage by removing low-usage regions from Minecraft Java worlds. By default, it deletes regions with less than 10 minutes (600 seconds) of player time; the `-t` option lets users set a different threshold in seconds. It uses all available CPU cores unless a custom count is supplied with `-c`, and provides a live progress counter plus `-q`, `-u`, and `-v` output options. Running it without arguments opens an interactive terminal interface that can locate dimensions and world folders or work from a Minecraft saves folder. It supports `.mca` region files and batch operations on Linux, macOS, and Windows. Windows users can download an executable ZIP from the GitHub release tab. On macOS and Linux, installation requires Python and source dependencies, including cursesplus and anvil-parser2. The README warns that using it on a new world could remove chunks containing player data.
Who it is for
It suits Minecraft Java players who want to clear low-activity regions from existing worlds and are comfortable with command-line tools or an interactive terminal interface. Windows users can download an executable, while macOS and Linux users need Python and the source dependencies.
What is good
- Free under the MIT License.
- Adjustable region threshold with `-t`.
- Uses all available CPU cores by default.
- Interactive terminal mode and batch operations.
- Available for Linux, macOS, and Windows.
What to know first
- Non-Windows users must install Python and dependencies.
- The README warns against running it on new worlds.
- Windows interactive mode requires windows-curses.
Verdict
Minecraft World Trimmer offers configurable cleanup for Minecraft Java `.mca` worlds, with both command-line controls and an interactive mode. Its warning about potential player-data loss on new worlds is important to heed before trimming.
Minecraft World Trimmer plans and pricing
All plansCompared on Minecraft world editors
- Free plan
- Yesgithub.com
- Minecraft editions
- javagithub.com
- Supported platforms
- Windows, macOS, Linuxgithub.com
- Region editing
- Yesgithub.com
- Terrain editing
- Nogithub.com
- Entity editing
- Nogithub.com
- Batch operations
- Yesgithub.com
- Supported world formats
- .mca region filesgithub.com
Facts
- Purpose
- Minecraft World Trimmer clears unused chunks from Minecraft worlds to save storage space.github.com · 1 Oct 2026
- Trimming method
- It finds low-usage regions and deletes them.github.com · 1 Oct 2026
- Default threshold
- The default deletion threshold is 10 minutes, or 600 seconds, of player time per region.github.com · 1 Oct 2026
- Threshold control
- Users can change the threshold with the -t option in seconds.github.com · 1 Oct 2026
- Multiprocessing
- The program uses all available CPU cores by default and supports a custom core count with -c.github.com · 1 Oct 2026
- Progress controls
- It provides a live progress counter and supports -q, -u, and -v output options.github.com · 1 Oct 2026
- Interactive mode
- Running without command-line arguments starts an interactive terminal UI for trimming worlds.github.com · 1 Oct 2026
- World formats
- Interactive mode supports 2011–2025 and 2026 world formats and can discover dimensions, world folders, or a Minecraft saves folder.github.com · 1 Oct 2026
- Windows download
- Windows users can download a ZIP containing a Minecraft World Trimmer executable from the GitHub release tab.github.com · 1 Oct 2026
- Non-Windows installation
- There is no binary for non-Windows operating systems, so users must install Python and the source dependencies.github.com · 1 Oct 2026
- Dependencies
- The required libraries include cursesplus and anvil-parser2, with windows-curses additionally required for Windows interactive mode.github.com · 1 Oct 2026
- Release features
- Version 1.1 added interactive mode and a Windows EXE.github.com · 1 Oct 2026
- Safety limitation
- The README warns never to run the trimmer on a new world because it may destroy chunks containing player data.github.com · 1 Oct 2026
- License
- The software is released under the MIT License with permission to use, copy, modify, publish, distribute, sublicense, and sell it.github.com · 1 Oct 2026
- Support contact
- The maker's GitHub profile lists [email protected] as a contact address.github.com · 1 Oct 2026
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Sources
- github.com/Enderbyte-Programs/minecraft-world-trim· checked 1 Oct 2026
- github.com/Enderbyte-Programs/minecraft-world-trim· checked 1 Oct 2026
- github.com/Enderbyte-Programs/minecraft-world-trim· checked 1 Oct 2026
- github.com/Enderbyte-Programs· checked 1 Oct 2026