Spline

Design & Creative Free · from $28/mo

About Spline

Spline is a browser-based 3D design tool that lets you create, animate, and export 3D content without installing anything. It's built for designers who want 3D without the steep learning curve of traditional tools like Blender or Cinema 4D.

What it does

Spline runs entirely in the browser. You model objects, apply materials, add animations, and export as glTF, USDZ, or embed directly into web pages. It supports real-time collaboration, so multiple designers can work on the same scene simultaneously.

Best for

UI/UX designers adding 3D elements to websites or apps
Product designers creating interactive 3D prototypes
Motion designers who want lightweight 3D animations

Strengths

No installation—works in Chrome, Firefox, Edge
Real-time collaboration with team members
Exports to multiple formats including glTF, USDZ, and embed code

Key features

Browser-based 3D editor — Model, texture, and animate without local software
Real-time collaboration — Multiple users edit the same scene live
Material library — Pre-built materials and textures for quick styling
Animation timeline — Keyframe-based animation with easing curves
Export options — glTF, USDZ, SVG, and embed code for web
Interactive states — Add hover, click, and scroll triggers to 3D objects

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