MapRend

Spec sheet

Purpose

MapRend renders top-down maps of Minecraft worlds saved in MCAnvil format.Read 8 Oct 2026 · github.com

Support

The maintainer invites users with questions to ask in the project's GitHub issue thread.Read 8 Oct 2026 · github.com

Customization

The README says MapRend is easy to update and customize.Read 8 Oct 2026 · github.com

Dependencies

The README credits Mojang code for reading NBT files and Douglas Crockford code for reading and writing JSON files.Read 8 Oct 2026 · github.com

Inputs and output

The maintainer's usage instructions accept a Minecraft world folder and resource folder, with an optional output directory for the generated map image.Read 7 Oct 2026 · github.com

Mac frontend

The repository includes a graphical frontend for Mac OS X distributed as MapRend.app.zip.Read 7 Oct 2026 · github.com

Mac graphical frontend

The repository describes a graphical MapRend frontend for Mac OS X, distributed as MapRend.app.zip in frontends/macosx.Read 8 Oct 2026 · github.com

Mac setup

The README provides macOS command-line setup instructions using Git and Ant.Read 7 Oct 2026 · github.com

Mac use

The README gives Mac OS X terminal instructions and says Ant can be installed with Homebrew.Read 8 Oct 2026 · github.com

Map options

The maintainer documents options for night maps, setting a map radius, and creating rectangular maps.Read 7 Oct 2026 · github.com

Map views

It can render day and night maps and show biomes, height, and height under oceans.Read 8 Oct 2026 · github.com

Required files

Rendering requires colors.json and biomes.json; colors.json describes block colors and visibility, while biomes.json contains biome modifiers for leaves, grass, and other blocks.Read 8 Oct 2026 · github.com

Resource packs

It can use resource packs and generate a set of block colors from a resource pack.Read 8 Oct 2026 · github.com

Technology

MapRend is written in Java, and its repository includes an Ant build file for compiling it.Read 8 Oct 2026 · github.com

Usage options

The maintainer's issue instructions describe generating night maps and setting a map radius or rectangular map output.Read 8 Oct 2026 · github.com

Windows setup

The README directs Windows users to issue #1 for installation and usage instructions.Read 7 Oct 2026 · github.com

Windows use

The README points Windows users to issue #1 for installation and usage instructions.Read 8 Oct 2026 · github.com

Where Specifiction places it

• Minecraft World Map Viewers#21 of 227.0