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Cartographer

Cartographer is a free, open-source web tool that converts images into Minecraft map art and produces schematics to guide the build.

Place
#15 of 21
Score
5.6
Cartographer's website

What Cartographer is

Cartographer is a free, open-source web tool that converts images into Minecraft map art and produces schematics to guide the build. Image generation runs entirely in the browser. Users can inspect a live preview, adjust an interactive crop, and change saturation and brightness before generating. The color palette allows multiple blocks to be selected and balanced during generation; the homepage interface displays Minecraft version 1.21.4. Cartographer includes several staircasing algorithms and a material-list view. It exports schematic, JSON, and NBT formats without requiring third-party conversion tools, and can create Litematica-compatible schematics, including .litematic files. JSON output contains block positions and properties, which users can use when building tools or converters for formats the tool does not natively support. The repository displays a GPL-3.0 license and credits Julien Vincent and Nicholas Robinson as authors. Custom block-palette uploads, manual map-art editing, and handling blocks such as grass or nylium are listed as planned features.

Good

  • Image generation runs in the browser
  • Live preview, crop, saturation, and brightness controls
  • Exports schematic, JSON, and NBT formats
  • Supports Litematica-compatible schematics
  • Includes staircasing algorithms and a material list

Watch out

  • Custom palette uploads are planned, not listed as available
  • Manual map-art editing is planned
  • Handling grass or nylium is planned

Who it suits

Cartographer suits Minecraft players who want to turn an image into map art and use a schematic as a building blueprint. Its JSON output may also suit people building tools or format converters.

Verdict

Cartographer offers browser-based image conversion with several export formats and controls for shaping the generated build. Some customization and editing capabilities remain planned features.

The facts

Each one read from Cartographer's own pages, with the date it was checked.

What it does

Audience
The project describes generated schematics as blueprints for building map art in Minecraft.checked 4 Oct 2001
Block palette
Users can select multiple blocks in the color palette and balance between them when generating the build.checked 4 Oct 2001
Blueprints
Generated schematics can be used as blueprints for building map art in Minecraft.checked 8 Oct 2001
Export formats
It supports schematic, JSON, and NBT output, including Litematica-compatible schematics.checked 8 Oct 2001
Extensibility
JSON export provides block positions and properties for users building tools or translations for output formats Cartographer does not natively support.checked 4 Oct 2001
Generation options
The tool includes multiple staircasing algorithms and a material list view.checked 8 Oct 2001
Image editing
Features include a live preview, an interactive crop box, and saturation and brightness controls.checked 4 Oct 2001
Image tools
The interface includes a live preview, an interactive crop box, and saturation and brightness controls.checked 8 Oct 2001
JSON output
The JSON output contains block data that users can use to build tools or format converters for targets Cartographer does not natively support.checked 8 Oct 2001
Known roadmap limits
The project lists custom block-palette uploads, manual map-art editing, and handling infection blocks such as grass or nylium as planned features.checked 4 Oct 2001
License
The public GitHub repository is licensed under GPL-3.0.checked 8 Oct 2001
Litematica
Cartographer supports generating Litematica-compatible schematics, including .litematic files.checked 4 Oct 2001
Materials
A material list view is included.checked 4 Oct 2001
Palette controls
Users can select multiple blocks in the color palette and balance between them during generation.checked 8 Oct 2001
Purpose
Cartographer is a web-based tool for converting images into Minecraft map art.checked 8 Oct 2001
Staircasing
The project includes multiple staircasing algorithms.checked 4 Oct 2001
Supported Minecraft version shown
The live homepage’s palette interface displays Minecraft version 1.21.4.checked 4 Oct 2001

Where it runs

Browser generation
The project says all map-art generation runs entirely in the browser.checked 4 Oct 2001
Browser processing
The project says image generation runs entirely in the browser.checked 8 Oct 2001

The company

Makers
The repository credits Julien Vincent and Nicholas Robinson as authors.checked 8 Oct 2001

Money

Planned features
The project lists custom block palette uploads, manual editing, and handling blocks such as grass or nylium as roadmap features.checked 8 Oct 2001

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