No Install Required

Procedural Terrain GLBs

Generate, preview, and export terrain meshes entirely in the browser. Procedural noise, PNG heightmaps, JSON datasets, or real-world Mapbox DEM tiles.

Data Source

Terrain Preset

Noise Scale 3.0

Octaves 6

Persistence 0.50

Lacunarity 2.0

Height Scale (m) 1200

Seed

Upload JSON Dataset

Drop a terrain JSON file here

See format docs below

JSON Format Reference

Grid values are 0.0–1.0 (normalized elevation).

{
  "name": "Darkwood Forest",
  "scale_m": 8000,
  "description": "A fantasy forest world",
  "grid": [
    [0.0, 0.1, 0.2, ...],
    [0.1, 0.3, 0.5, ...],
    ...
  ]
}

Quality Preset

Arcade

32×32

Game

128×128

Realistic

256×256

Survey

512×512

3D Preview Ready

Building mesh...