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SchemViewer
What it is
SchemViewer is a browser-based 3D viewer for Minecraft .litematic schematic files. It uses the Deepslate WebGL engine to display builds that users can rotate, zoom, and pan. A height slicer changes which Y-axis layer is visible, and controls can show or hide individual subregions and their bounding boxes. The materials checklist supports searching, filtering, and checking off blocks. Technical mode switches between default Minecraft textures and customized technical textures. Users can export block lists and schematic metadata as CSV or JSON. The project says files are processed in the browser rather than uploaded to a server. A Canvas 2D renderer is available as a fallback to the WebGL view. The listed supported format is .litematic, and the plan is Free at no cost, with no paid tiers stated. The project uses the MIT License. For local use, its README describes cloning the repository and opening index.html in a browser. Although the listed platforms include Linux, macOS, web, and Windows, the viewer is described as browser based.
For and against
For
- Interactive 3D controls include rotation, zoom, and panning.
- Layer slicer reveals specific schematic heights.
- Materials checklist supports search and filtering.
- Exports block lists and metadata as CSV or JSON.
- Files are processed in the browser, not uploaded.
Against
- Listed supported format is .litematic.
- Placement workflow is export-only.
The verdict
SchemViewer focuses on inspecting .litematic builds and exporting their block data, with layer, region, and material controls. Its listed format support is limited to .litematic, and placement is export-only.
Who it suits
SchemViewer suits Minecraft schematic users who need to inspect layers, track block materials, or export schematic data. It may also suit users who want browser-based file processing or a local way to run the project.
Plans and prices
Free
Core viewer features; no paid tiers stated
Read 7 Oct 2026 · github.com
On the record
- Compatibility
- The maker describes support for .litematic files; other schematic formats are not listed.github.com · read 7 Oct 2026
- Engine
- The viewer is powered by the Deepslate WebGL engine and includes a Canvas 2D fallback renderer.github.com · read 7 Oct 2026
- Export
- Users can export the schematic block list and metadata as CSV or JSON.github.com · read 7 Oct 2026
- Exports
- Users can export schematic block lists and metadata as CSV or JSON.github.com · read 7 Oct 2026
- Fallback renderer
- The repository includes a Canvas based 2D fallback renderer alongside its WebGL 3D renderer.github.com · read 7 Oct 2026
- File processing
- The project says schematic files are processed offline in the browser and are not uploaded to a server.github.com · read 7 Oct 2026
- Layer slicing
- A Y-axis slicer adjusts the visible height to inspect specific schematic layers.github.com · read 7 Oct 2026
- Layer viewing
- A Y-axis slicer adjusts the viewing height to show specific schematic layers.github.com · read 7 Oct 2026
- License
- The project is licensed under the MIT License.github.com · read 7 Oct 2026
- Local use
- The maker says users can clone the repository and open index.html in a web browser to run it locally.github.com · read 7 Oct 2026
- Materials
- A searchable block materials checklist lets users filter and check off materials.github.com · read 7 Oct 2026
- Materials list
- The block materials checklist supports filtering, searching, and checking off materials.github.com · read 7 Oct 2026
- Privacy
- The maker says schematic files are processed offline in the browser and are not uploaded to a server.github.com · read 7 Oct 2026
- Purpose
- SchemViewer is a browser based 3D viewer for Minecraft .litematic schematic files.github.com · read 7 Oct 2026
- Region controls
- Users can toggle individual subregion bounding boxes and visibility states.github.com · read 7 Oct 2026
- Regions
- Users can control the visibility of individual subregions and their bounding boxes.github.com · read 7 Oct 2026
- Rendering
- It uses the Deepslate WebGL engine to render schematics interactively, with rotation, zoom, and panning.github.com · read 7 Oct 2026
- Target users
- The listed features support Minecraft schematic viewers who want to inspect layers, track block materials, or export schematic data.github.com · read 7 Oct 2026
