Voxel Builder

At a glance

• Editor score
  8.6 / 10
• Pricing
  Free plan
• Best for
  Open-source voxel modeling across desktop and mobile
• Free plan
  Yes
• Paid from
  Free
• Animation tools
  No
• Facts checked
  21 Sep 2026

• Where it wins

  • Free and open source across web, desktop, and mobile platforms
  • Exports GLB, GLTF, OBJ, STL, and PLY mesh formats
  • Includes GPU path-traced and PBR rendering

• Where it doesn't

  • Geometry animations are not supported
  • No maximum grid dimension is documented
  • Game-engine export is listed without named engine integrations

Our verdict on Voxel Builder

Voxel Builder is an open-source voxel-based 3D modeling application for individual creators and small teams working with voxel assets. It combines interactive modeling, symmetric drawing and painting, color groups, voxel layering, transformations, rendering, and mesh baking in one workflow. The software runs through Electron on Windows and Linux, and through Chrome or Firefox on desktop and mobile. It is suited to creators who want a free tool that spans web, desktop, and mobile access without limiting projects to a single voxel file format.

Its strongest area is workflow breadth. Voxel Builder can voxelize models, images, and text, then bake voxel geometry into editable meshes. It supports JSON and MagicaVoxel VOX files, while export options include GLB, GLTF, OBJ, STL, and PLY. Blender and MagicaVoxel are named integrations, giving users clear paths into established 3D and voxel workflows. GPU path-traced and PBR rendering add a presentation layer, while undo, redo, snapshots, and ZIP archives support iterative asset work.

The main limitation is animation: geometry animations are not supported, so teams building animated voxel assets should look elsewhere or plan a separate animation workflow. The product also presents game-engine export as a category capability without naming specific engine integrations. Voxel Builder is a strong fit for creators who value open-source access, cross-platform availability, flexible voxelization, and multiple mesh export formats. It is less suitable for projects that depend on built-in animation tools or require a clearly defined game-engine pipeline.

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Voxel Builder pricing

Voxel Builder fact sheet

Voxel Builder integrations

Voxel Builder lists 2 integrations on its own site.

• Blender
• MagicaVoxel

Alternatives to Voxel Builder

• pixembossA free web editor for creating, animating, and exporting pixel and voxel game assets.9.4
• Vengi VoxEditA broad voxel suite covering modeling, materials, animation, scripting, and scenes.9.3
• MagicaVoxelA deep free desktop toolkit for creating, animating, rendering, and exporting voxel assets.9.1

See all Voxel Builder alternatives →

Voxel Builder vs the competition

• VBVoxel Builder vs pixemboss
• VBVoxel Builder vs Vengi VoxEdit
• VBVoxel Builder vs MagicaVoxel
• VBVoxel Builder vs Blockhammer
• VBVoxel Builder vs VoxelDraft
• VBVoxel Builder vs VoxShop

Compare Voxel Builder with any tool side by side →

Featured on iTechGuides

Voxel Builder is listed in our Voxel Editors directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update