3D Tool for the Web comparison · 2026
Three.js vs Spline
Two routes to 3D on the web. Three.js is a JavaScript library you code against directly for full control of scenes, materials and rendering. Spline is a visual, browser-based 3D editor that lets designers build scenes and embed them without writing shaders.
A JavaScript library for creating and displaying 3D graphics in the browser with WebGL.
- Category
- 3D tools and assets for the web
- Website
- threejs.org
- Tags
- 3D
Browser-based 3D design software with built-in physics for interactive scenes.
- Website
- spline.design
- Tags
- 3D
Three.js vs Spline: which should you pick?
Choose Three.js when you need programmatic control and performance, or you're comfortable in code. Choose Spline when you want to design 3D visually and ship it fast, especially for marketing and hero scenes.
For reference, on Designeer both are tagged 3d. Tags come from each tool’s own description, not a scored benchmark.

