Design
Spline
3D design for web.
What it is
Spline brings 3D into the browser with the ease of a standard graphic design tool. It eliminates the need for heavy software or complex code to include interactive 3D objects on your site. You can create scenes and embed them into your web project with a single link. With physics and interactive triggers, Spline takes the web experience from 2D flatness into an immersive depth that responds to user movement and clicks.
Key features
Interactive 3D
Objects that the user can rotate or interact with using their mouse.
Game Controls
Build small web games controlled via keyboard or mouse inputs.
Real-Time Collaboration
Work live with your team on the same 3D scene simultaneously.
Material Layers
Design realistic surfaces like glass, metal, or fabric using layers.
Strengths and trade-offs
What works well
- Web Native: Your 3D scenes run directly in the browser with high performance.
- Interactivity: Build 3D objects that react to mouse movements or user clicks.
- Physics Engine: Add realistic effects like gravity and collisions to your scene.
- Easy Export: Export your designs as React, Webflow, or simple HTML snippets.
Where it falls short
- Device Performance: Extremely complex 3D scenes may lag on older mobile devices.
- Learning Curve: Thinking in 3D (X, Y, Z axes) can be difficult for absolute beginners.
- File Size: High-resolution textures may increase your page's initial load time.
Who it is for
Web Designers, Creative Developers, and Product Brands.
Our verdict
The easiest way to add 'wow-factor' interactive 3D experiences to any website.
Closest alternatives we track
Same category, ordered by verified starting price.
Frequently asked questions
- Does Spline have a free plan?
- Yes. Spline offers a free tier with limits; paid plans unlock higher usage or team features.
- Who is Spline best for?
- Web Designers, Creative Developers, and Product Brands.
- What are the main drawbacks of Spline?
- The trade-offs we noted: Device Performance: Extremely complex 3D scenes may lag on older mobile devices.; Learning Curve: Thinking in 3D (X, Y, Z axes) can be difficult for absolute beginners.; File Size: High-resolution textures may increase your page's initial load time..
What we checked
- Public APIOffers a documented API you can build against.No
- Mobile appHas a native app for iOS or Android, not just a mobile website.No
- Open source / self-hostableSource is open and the tool can be run on your own infrastructure.No
- SSO (SAML)Supports SAML single sign-on on at least one plan.No
“Not checked” means exactly that — we have not verified it, and we do not guess.
Evidence and freshness
Status: Source listed, figures not recordedReviewed: 2026-08-31
- Spline — Pricing ↗
Checked 2026-08-31 · Supports: the vendor's published pricing
Limit: Automated check: the pricing page was fetched on this date and contained pricing information. An editor has not read it line by line.
Compare Spline with alternatives
More Design tools: see the full Design category