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Tech riderRev. 3 Oct 2026

Chunker

Ch 037.3of 35 Minecraft World Editors
  1. 1Runs onLinux, Mac, Web, Windows
  2. 2CostsFree plan
  3. 3Archive extractionYes
  4. 4Supported formatsMinecraft Bedrock 1.12.0–1.26.50; Minecraft Java 1.8.8–1.21.11 and 26.1–26.3
  5. 5Supported platformsWindows, macOS, Linux, web interface, Java CLI
5 lines stated Written from the maker's own pages: chunker.app
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The Chunker homepage

Overview

Chunker converts Minecraft worlds between Java Edition and Bedrock Edition, processing worlds locally on the user's machine. It can transfer level settings and world data such as blocks, biomes, and tile entities, as well as multiple dimensions, containers, items, and in-game maps. It can upgrade or downgrade worlds between supported game versions. Inputs include world folders, ZIP archives, and MCWORLD files, with drag-and-drop support. Users can adjust conversion and export settings and save settings for later conversions. The command-line interface supports conversion and workflow integration, but requires Java 17 or higher. Entities and player inventories are not converted; structure data such as villages and strongholds is listed as unsupported or limited. Chunker is free at 0.00 USD per free and open source under the MIT license. It is available for Windows, macOS, Linux, and through a web interface. Supported versions vary by edition: the listed ranges are Bedrock 1.12.0–1.26.50 and Java 1.8.8–1.21.11 and 26.1–26.3. Check compatibility before converting a world.

Who it is for

Chunker suits Minecraft players who need to move worlds between Java and Bedrock editions or across supported versions. Its local processing and CLI may also suit users integrating conversion into workflows.

What is good

  • Converts worlds locally
  • Accepts folders, ZIP, and MCWORLD files
  • Supports conversion between both Minecraft editions
  • Free and open source under MIT license

What to know first

  • Entities and player inventories are not converted
  • Some structure data is unsupported or limited
  • CLI requires Java 17 or higher

Verdict

Chunker provides free, local conversion with configurable settings and several input formats. Its unsupported data and edition-specific version ranges are important checks before converting.

Chunker plans and pricing

All plans
Free Free Completely free; Java and Bedrock world conversion chunker.app · 3 Oct 2026

Compared on Minecraft world editors

Free plan
Yeschunker.app
Archive extraction
Yeschunker.app
Supported formats
Minecraft Bedrock 1.12.0–1.26.50; Minecraft Java 1.8.8–1.21.11 and 26.1–26.3chunker.app
Supported platforms
Windows, macOS, Linux, web interface, Java CLIchunker.app

Facts

Purpose
Chunker converts Minecraft worlds between Java Edition and Bedrock Edition.github.com · 3 Oct 2026
Local processing
Worlds are converted and worked with locally on the user's machine.learn.microsoft.com · 3 Oct 2026
World data
Chunker can convert level settings, world data including blocks, biomes and tile entities, multiple dimensions, containers and items, and in-game maps.learn.microsoft.com · 3 Oct 2026
Version conversion
Chunker can upgrade and downgrade worlds between different game versions.github.com · 3 Oct 2026
Inputs
The app accepts world folders, ZIP archives and MCWORLD files, and can also accept drag-and-drop inputs.learn.microsoft.com · 3 Oct 2026
Advanced settings
Users can adjust conversion settings and export settings for reuse in later conversions.chunker.app · 3 Oct 2026
CLI
Chunker includes a command-line interface that can be used for conversion and workflow integration.github.com · 3 Oct 2026
CLI requirement
The CLI requires Java 17 or higher.github.com · 3 Oct 2026
Unsupported data
Entities and player inventories are not currently converted; the repository also lists structure data such as villages and strongholds as unsupported or limited.learn.microsoft.com · 3 Oct 2026
Open source
Chunker is open source under the MIT license, with its code available on GitHub.github.com · 3 Oct 2026
Platforms
Microsoft Learn describes standalone app versions for Windows, Mac and Linux.learn.microsoft.com · 3 Oct 2026
Current release
The GitHub releases page lists version 1.21.0, released October 2, 2026.github.com · 3 Oct 2026
Maker
Hive Games describes Chunker as an internal tool that it offers free to Minecraft partners and the general public under an exclusive licensing deal with Microsoft.hivegames.io · 3 Oct 2026
Organization details
Hive Games Limited lists UK company number 08451891; its opened pages do not state a founding year or headquarters.hivegames.io · 3 Oct 2026

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