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Arachne
What it is
Arachne is a free, open-source web tool that converts pictures into Minecraft map-art schematics for survival or creative building. It supports flat and staircased layouts ranging from one map to a 16×16 grid. Rendering options include error-diffusion methods, ordered patterns, palette color mixing, and an optional refinement pass for viewing distance. Text can be added with 142 site-served fonts, plus outlines, shadows, underlines, gradients, rotation, and mirroring. Arachne counts art, filler, and noobline blocks and provides a searchable filler-block list that follows game versions. It targets Minecraft releases from 1.13 through the current release, matching palette and file DataVersion to the selected release. Exports include Litematica .litematic files, vanilla structure .nbt files readable by Litematica and WorldEdit, optional map data files, and a plain-text build sheet. The maker says images remain in the browser, with presets saved there; ordinary security request logs remain on the server. Arachne is in beta and licensed under GPL-3.0-only.
For and against
For
- Supports layouts up to a 16×16 map grid
- Provides multiple dithering and palette methods
- Adds text with 142 fonts and effects
- Exports Litematica and vanilla structure files
- Keeps images in the browser
Against
- Arachne is still in beta
- Requires the requested Minecraft version selection
- Browser presets are stored locally
- Server keeps ordinary security request logs
The verdict
Arachne combines image conversion, building estimates, text design, and Minecraft schematic exports in a browser. Its beta status and game-version choices are important considerations for builders.
Who it suits
It suits Minecraft builders who want to turn images into planned map art. It is also useful for players who need material counts, version-aware layouts, or schematic exports.
On the record
- Block costs
- It estimates the cost of building and tearing down each block choice using tool tier, Efficiency, Silk Touch, haste, flying, and block drop behavior.github.com · read 4 Oct 2026
- Build materials
- It counts art, filler, and noobline blocks and provides a searchable, version-aware filler-block list.github.com · read 4 Oct 2026
- Build planning
- It estimates block breaking costs based on tool tier, Efficiency, Silk Touch, haste, flying, and whether a block drops itself when broken.github.com · read 8 Oct 2026
- Dithering
- It offers error diffusion, ordered patterns, color mixing, and an optional viewing-distance refinement pass.github.com · read 8 Oct 2026
- Exports
- It exports Litematica .litematic files, vanilla structure .nbt files readable by Litematica and WorldEdit, optional map data files, and a text build sheet.github.com · read 8 Oct 2026
- Exports and integrations
- It exports Litematica .litematic files, vanilla structure .nbt files readable by Litematica and WorldEdit, optional map data files, and a plain-text build sheet.github.com · read 4 Oct 2026
- Game versions
- It targets Minecraft releases from 1.13 through the current release, with palettes and file DataVersion following the selected release.github.com · read 8 Oct 2026
- Layouts
- It supports flat or staircased designs from one map up to a 16×16 grid.github.com · read 4 Oct 2026
- Layout size
- It supports layouts from a single map up to a 16×16 grid.github.com · read 8 Oct 2026
- License
- The project is licensed under GPL-3.0-only.github.com · read 8 Oct 2026
- Presets
- Presets are saved in the user's browser, and Arachne imports mapartcraft preset links.github.com · read 8 Oct 2026
- Privacy
- The README says images stay in the browser and the site has no backend, analytics, or tracking; the web server keeps an ordinary security request log.github.com · read 8 Oct 2026
- Purpose
- Arachne turns pictures into Minecraft map art schematics for survival or creative building.github.com · read 8 Oct 2026
- Status
- The README describes Arachne as being in beta.github.com · read 8 Oct 2026
- Support
- The README directs users to a community Discord, GitHub issue tracker, or [email protected] for help or bug reports.github.com · read 8 Oct 2026
- Text tools
- Users can add text with 142 fonts and adjust effects including outline, shadow, underline, gradient, rotation, and mirroring.github.com · read 8 Oct 2026
