Blue Map

Blue Map creates 3D maps of Minecraft worlds and displays them for web-based exploration.

github.com/BlueMap-Minecraft/BlueMap
Blue Map homepage screenshot

About Blue Map

BlueMap reads Minecraft world files and generates maps and 3D models of the whole surface for viewing in a web viewer. The web app supports browser-based inspection up close or from a distance for an overview.

It is available as a Spigot/Paper or Sponge plugin, as a Fabric or Forge mod, and as a standalone command-line tool without a server. When installed as a plugin or mod, it renders asynchronously from the server thread, with server impact depending on available CPU capacity.

Key features

  • Reads Minecraft world files to generate surface maps
  • Creates 3D models of the whole world surface
  • Displays maps in web viewer for browser exploration
  • Available as Spigot/Paper or Sponge plugin
  • Available as Fabric or Forge mod
  • Works as standalone command-line tool without server
Best for: Minecraft server operators and world owners who want browser-based 3D views of their worlds.
Good for
  • Supports plugin, mod, and standalone command-line use
  • Renders asynchronously without directly blocking the server thread
  • Open source under MIT license
Watch out for
  • Rendering may slow the server if the CPU becomes fully utilized

Blue Map at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Open source
Yes · Source code
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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Blue Map FAQ

How can BlueMap be used?
As a Spigot/Paper or Sponge plugin, as a Fabric or Forge mod, or as a standalone command-line tool without a server.
Does BlueMap block the server while rendering?
No, it renders asynchronously and does not directly block the server thread, though the server should not slow down as long as the CPU is not fully utilized.
How is BlueMap built from source?
Clone with git clone --recursive https://github.com/BlueMap-Minecraft/BlueMap.git, run ./gradlew release in the root directory, and find compiled JAR files in ./build/release.
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