Minecraft Map Art Generator by Joshua Dobson

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Runs on Web.

Minecraft Map Art Generator by Joshua Dobson converts an image into a layout for building Minecraft map art. It matches image pixels to available block colours using CIELAB colour matching. A single layout is 128×128, the size of one Minecraft map item, while larger images can be split across 2×2, 3×3 or 4×4 grids. Each grid segment can be downloaded as a separate 128×128 PNG. Floyd-Steinberg dithering is available for gradients and complex images. Exports include PNG, JSON, CSV and .litematic files; generated grids can also be downloaded as ZIPs. The tool calculates block counts and exports a materials list as CSV or JSON. Processing happens in the browser, and the maker says images are not sent to a server. The privacy policy says it uses no cookies, analytics or tracking and collects no personal data passively. Voluntary feedback may include a rating, message, feedback type and optional email; GitHub Pages hosting may collect standard access logs. The maker cautions that Minecraft’s height-based map shading makes colour matching a best-effort guide.

Who it is for

A free browser-based option for Minecraft players planning a map art build from an image. It may help builders who want grid layouts, export files and block counts before gathering materials.

What is good

  • Supports single-map 128×128 layouts and larger grids.
  • Offers Floyd-Steinberg dithering.
  • Exports PNG, JSON, CSV and .litematic files.
  • Calculates block counts and exports material lists.
  • Image processing occurs in the browser.

What to know first

  • Colour matching is only a best-effort guide.
  • Minecraft map shading varies with height.
  • Hosting may collect standard server access logs.

Verdict

The tool combines image-to-block matching with useful grid, export and material-planning options at no cost. Treat its colour output as a guide because map shading depends on height.

Minecraft Map Art Generator by Joshua Dobson plans and pricing

All plans
Free Free Completely free to use joshuadobson.github.io · 7 Oct 2026

Compared on Minecraft map art generators

Free plan
Yes
Schematic export
Yes
Materials list
Yes

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