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Chunky (Fabric) Mod for Minecraft 26.3

Pre-generates chunks, quickly, efficiently, and safely

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456 downloads
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978 views
Updated
Updated 01.11.2026

Chunky

Pre-generates chunks, quickly, efficiently, and safely

Features

  • Start one or several chunk generation tasks at the same time (if you want to leverage your CPU more)
  • Pause chunk generation tasks, saving them for later
  • Shows detailed information such as chunks processed, percent to completion, ETA, chunk processing rate, etc
  • Custom world shapes, and optional world border support with ChunkyBorder installed

Permissions

In order to use chunky you will need to either:

  • Be an operator on a dedicated server. To become an operator, someone with access to the server must run the command op <username> from the server console.
  • Be in a singleplayer world. In older versions of chunky you may also need to enable cheats for the world. This can be done during world creation, or by using the "Open to LAN" button.

Commands

Task Management

chunky start Starts a new chunk generation task from the current selection chunky pause Pauses the current chunk generation tasks, and saves progress chunky continue Continues running current or saved chunk generation tasks chunky cancel Stops the current chunk generation tasks, and cancels progress

Selection

chunky world [world] Sets the currently selected world chunky shape <shape> Set the shape to generate chunky center [<x> <z>] Sets the current center block location chunky radius <radius> Sets the current radius chunky worldborder Set the center and radius to match the world border in the selected world chunky spawn Set the center to the spawn point chunky corners <x1> <z1> <x2> <z2> Set the selection by corner coordinates chunky pattern <pattern> Set the preferred generation pattern chunky selection Display the current selection

Miscellaneous

chunky silent Toggle displaying update messages chunky quiet <interval> Set the quiet interval in seconds for update messages chunky progress Display pre-generation progress in-game for all tasks chunky reload Reloads the configuration chunky trim Delete chunks outside selection

Examples

Generate chunks in a square centered at 0,0 in the overworld with a 1000 block radius

chunky radius 1000 chunky start

Generate chunks in a circle centered at spawn in the nether with a 1000 block radius

chunky world the_nether chunky shape circle chunky spawn chunky radius 1000 chunky start

Generate chunks inside a world border centered at 0,0 with a 10000 block radius

worldborder center 0 0 worldborder set 20000 chunky worldborder chunky start

Wiki Find up-to-date information about plugin features Discord Visit the #chunky channel and ask questions Crowdin Help translate the plugin into several languages Donate Support the project if you've found it useful bStats Check out some cool stats for the plugin CodeMC Download the latest builds from this mirror ChunkyBorder Custom world border addon

Screenshots

Example pre-generated square world with radius 2000

Generating 3 worlds simultaneously using a Ryzen 3700X processor + 16GB RAM

Partner

Chunky is partnered with Bloom Host who provide excellent high performance server hosting options. Click the banner below and use code CHUNKY for 25% off your server!

How to install Chunky (Fabric)

With Millida Launcher

  1. Install Millida Launcher

    The launcher is free: download it at millida.net/launcher and sign in with any nickname.

  2. Click “Install” on this page

    The launcher opens and installs the mod for Minecraft 26.1–26.3 on Fabric automatically.

  3. Launch the game

    A profile with it appears in the launcher: click “Play”.

Manually

  1. Install Fabric

    The loader must match the game version of the mod file, for example Minecraft 26.3. After installing it, a separate profile appears in your launcher.

  2. Download the file for your version

    In the version list above, pick the file Chunky-Fabric-1.5.3.jar (346 KB) for your game version.

  3. Put it in the mods folder

    The folder is inside .minecraft (Windows: %appdata%\.minecraft\mods). If it does not exist, create it.

  4. Launch the loader profile

    Open “Mods” in the main menu: Chunky (Fabric) should be in the list.

Versions

With dependencies

MinecraftLoaderFileDateActions
26.1FabricChunky 1.5.3346 KB 456

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