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mrdoob/three.js

A JavaScript 3D library that makes it easier to build and render 3D scenes in the browser with WebGL and WebGPU.

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What is it?

Three.js is a general-purpose JavaScript 3D library aimed at being easy to use and lightweight across browsers. It provides scenes, cameras, geometries, materials and renderers so developers can create 3D content without writing raw WebGL code directly.

The core builds include WebGL and WebGPU renderers, while SVG and CSS3D renderers are available as addons. A minimal example creates a scene, a camera and a cube, then animates it with a render loop.

The project publishes to npm as the package "three" and can also be loaded directly in the browser. Official examples, documentation and a manual are hosted on its website.

Key features

  • 01Scene graph with cameras, geometries, materials and meshes
  • 02WebGL and WebGPU renderers in the core build
  • 03SVG and CSS3D renderers available as addons
  • 04Available on npm and usable directly in the browser

Use cases

  • Building interactive 3D visualizations or product viewers on the web
  • Creating browser-based games or animated 3D scenes
  • Developing WebXR experiences for AR and VR devices

Quick start

  1. 1

    Shallow-clone the repository to reduce download size

    git clone --depth=1 https://github.com/mrdoob/three.js.git
  2. 2

    Import THREE in a JavaScript file and create a scene, camera, and WebGL renderer as shown in the README usage example

  3. 3

    Open the page in a browser to see the rotating cube

Things to know

  • A full clone of the repository with all history is about 2 GB.

Topics

#webgl#webgpu#3d#graphics#javascript#webxr#rendering#augmented-reality#canvas#html5

FAQ

What is three.js?
A JavaScript 3D library that makes it easier to build and render 3D scenes in the browser with WebGL and WebGPU. Three.js is a general-purpose JavaScript 3D library aimed at being easy to use and lightweight across browsers. It provides scenes, cameras, geometries, materials and renderers so developers can create 3D content without writing raw WebGL code directly.
Is three.js free to use? What license does it have?
three.js is open source under the MIT license. Check the license terms before using it in commercial products.
Is three.js still maintained?
Actively maintained. The last commit to three.js was on Oct 20, 2026.
What can I use three.js for?
Building interactive 3D visualizations or product viewers on the web Creating browser-based games or animated 3D scenes Developing WebXR experiences for AR and VR devices
How do I install three.js?
Shallow-clone the repository to reduce download size: git clone --depth=1 https://github.com/mrdoob/three.js.git Import THREE in a JavaScript file and create a scene, camera, and WebGL renderer as shown in the README usage example Open the page in a browser to see the rotating cube
Where can I get three.js?
The source code and installation instructions are on GitHub: https://github.com/mrdoob/three.js

Summary generated by AI from the project's README. GitHub stats refresh daily.

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