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Terraformer-Web: A Free & Fast 3D Terrain Sculpting Tool

A topic by Axgin96 created 7 days ago Views: 45 Replies: 2
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Hi everyone,

I want to share a tool I've been working on called Terraformer-Web. It’s a free, browser-based terrain generator designed to make creating 3D maps as fast and intuitive as possible.

Whether you need a quick landscape for a prototype or a web-ready environment, it runs directly in your browser with no installation required.

Core Features:

  • Intuitive Sculpting: Easily raise hills or dig out deep valleys with simple brush strokes.
  • Plateau Tool: Instantly flatten areas to create elevated highlands, making it easy to design smooth, traversable zones for players.
  • Auto-Biome System: Assign specific colors or textures to different environmental layers (riverbeds, plains, rocky cliffs, and mountain peaks). The tool automatically distributes these colors based on elevation and slope after every single brush stroke.
  • .GLB Export: Export your finished maps directly to the .GLB format. It is highly optimized for web visualization and ready to drop right into your favorite game engine.

Try it out here: 🔗 Terraformer-Web on itch.io

I’ve recently pushed some major updates adding new mechanics and polishing the workflow. You can check out the details for versions 2.0 and 2.5 in the devlogs here:

I'd love to hear your feedback or see the environments you build with it!

A first-use observation from desktop Chrome: starting a default 60x60m project and using Raise produced a clear raised area. The terrain stayed green until clicking Generate Biome, which then added distinct rocky cliff coloring. Real Time was off initially.

A small hint near the sculpt controls, such as "Enable Real Time for automatic biome colors, or click Generate Biome to refresh," would help connect that setting to the after-every-stroke behavior described here. With the biome panel scrolled to the top, the manual button was below the visible part of the panel.

This was a browser sculpt-and-biome check; GLB export and engine import weren't tested.

Thank you so much! I’ll definitely try to improve the tool in the next version!