Spline

Spline is a free, browser-based 3D design tool offering real-time collaboration. Create interactive 3D experiences for the web with intuitive modeling, animation, and AI features.

Pricing
Free + Paid
Trial
No card required
Best For
Fast prototyping
Last Reviewed
April 30, 2026
Screenshots
Description
Spline emerges as a leading AI 3D design tool, empowering creators to build production-ready interactive 3D experiences directly within their web browser, fostering real-time collaboration among teams. This platform is meticulously designed for individuals and organizations seeking to push the boundaries of digital content creation, offering a comprehensive suite of tools for 3D modeling, animation, material layering, and intricate interactivity. Its user-friendly interface, coupled with powerful features, makes it accessible for beginners while providing the depth required by seasoned professionals, solidifying its position as an essential platform for anyone looking to create compelling 3D visuals. The core strength of Spline lies in its ability to transform static designs into dynamic, engaging experiences. Users can effortlessly design interactive websites, product visualizations, marketing assets, gamified environments, and much more. The platform supports a wide range of applications, from creating 3D mockups and logos to animating characters and developing industrial designs. The inclusion of features like physics simulations, game controls, and variables allows for the creation of highly sophisticated and responsive 3D environments, making it a versatile solution for diverse creative projects. What sets Spline apart in the crowded landscape of design software is its unique blend of accessibility and advanced functionality, particularly its pioneering AI 3D Generation capabilities. This allows users to generate 3D objects from simple text prompts or 2D images, dramatically accelerating the ideation and creation process. This AI-driven approach democratizes 3D content creation, enabling users to bring complex ideas to life without extensive modeling expertise. The real-time collaboration aspect further enhances its appeal, allowing multiple team members to work on the same project simultaneously, fostering a seamless and efficient workflow. Day-to-day use of Spline involves leveraging its intuitive editor to sculpt models, apply materials, and define interactive behaviors. Whether you are starting from scratch or remixing existing community designs, the process is streamlined. The event system makes it simple to add animations triggered by user actions, while variables and webhooks allow for the integration of real-time data. This makes Spline ideal for building interactive prototypes, dynamic marketing materials, and even components for web and mobile applications, ensuring that your creative vision is realized with precision and efficiency. Collaboration is at the heart of the Spline experience. The platform supports multi-user editing in real-time, complete with roles and permissions, comments, and file management features. This ensures that teams can work cohesively, share feedback, and organize their projects effectively within a shared workspace. This collaborative environment is crucial for agencies, design studios, and in-house teams looking to streamline their 3D content production pipeline and deliver consistent, high-quality results. Spline boasts an expanding ecosystem that includes a rich community platform, a library of templates and assets, and educational resources like documentation and tutorials. This allows users to draw inspiration, utilize pre-made components, and continuously improve their skills. The platform also facilitates seamless integration with popular web development tools and frameworks, enabling the easy deployment of created experiences across multiple platforms including Web, iOS, and Android, further enhancing its utility and reach. Spline offers a tiered pricing structure to accommodate various user needs, from individuals to large enterprises. The Free plan provides a solid foundation for getting started, while the Hobby, Pro, and Max plans offer progressively more features, higher resource limits (like AI credits), and enhanced collaboration tools. The Enterprise plan is tailored for large organizations, providing custom solutions, advanced security, and dedicated support, ensuring that Spline can scale with any project or team. Ultimately, Spline is best suited for designers, developers, and creative teams who need a powerful yet accessible platform to create stunning, interactive 3D experiences. Its combination of real-time collaboration, intuitive tools, and cutting-edge AI 3D Generation makes it an invaluable asset for anyone looking to innovate in the digital design space and produce visually rich, engaging content for the modern web and beyond. Its ability to facilitate the creation of interactive 3D experiences for web, iOS, and Android makes it a truly comprehensive solution for contemporary design challenges.
Pricing
Free
$0/ month
Billed annually
Best value
Hobby
$12/mo
Billed yearly
Pro
$20/mo
Billed yearly
2D Editor Creating filesLimitedUnlimitedUnlimited
3D Editor Creating filesLimitedUnlimitedUnlimited
No watermark on web exports
AI Included AI Credits2,000 / month3,000 / month10,000 / month
Upload Video
Unlock Audio Library
Unlimited Folders
Multi-Team Organization
Priority support
Key Features
Real-time Collaboration
Design and collaborate on 3D projects simultaneously with your team in real-time, enhancing workflow and efficiency.
AI 3D Generation
Generate 3D objects from text or images using AI, speeding up ideation and creating unique assets for your projects.
Interactive Experiences
Bring your designs to life with animations, states, and events, creating dynamic and engaging user experiences.
Multi-platform Exports
Seamlessly export and embed your interactive 3D creations for Web, iOS, and Android platforms.
Pros & Cons
What works
The platform's AI 3D Generation feature significantly accelerates the creation of 3D assets.
Real-time collaboration allows multiple users to work on a project simultaneously, improving team efficiency.
Spline offers intuitive tools for creating interactive 3D experiences suitable for web and mobile applications.
Where it falls short​
The Free plan has limitations on file exports and web embed watermarks.
Advanced collaboration and enterprise features are reserved for higher-tier paid plans.
While powerful, some advanced 3D sculpting and physics features might have a learning curve for absolute beginners.
Frequently Asked Questions
How does Spline's AI 3D Generation compare to traditional 3D modeling workflows?
Spline’s AI 3D Generation offers a revolutionary approach to creating 3D assets. Instead of manual modeling, users can leverage text prompts or 2D images to generate 3D objects, significantly reducing creation time and accessibility barriers. This AI 3D design tool is ideal for rapidly prototyping ideas or generating unique assets for interactive 3D experiences.
Upgrading from Spline’s free plan unlocks a range of benefits crucial for professional workflows when creating interactive 3D experiences. Paid tiers offer unlimited files, higher resolution exports, no watermarks on web embeds, and increased AI credits for AI 3D Generation. This allows for more polished, professional output and expanded creative possibilities.
Spline’s AI 3D Generation offers a revolutionary approach to creating 3D assets. Instead of manual modeling, users can leverage text prompts or 2D images to generate 3D objects, significantly reducing creation time and accessibility barriers. This AI 3D design tool is ideal for rapidly prototyping ideas or generating unique assets for interactive 3D experiences.
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