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GeometryViewer VS ScrollMagic

Compare GeometryViewer VS ScrollMagic and see what are their differences

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GeometryViewer logo GeometryViewer

Free browser-based 3D model viewer for 3D printing enthusiasts and designers. Open STL, OBJ, GLB, GLTF, 3MF and FBX files instantly in your browser. Get a shareable link, view in AR on mobile, export a GIF, or embed it on Shopify or any website.

ScrollMagic logo ScrollMagic

The jQuery plugin for magical scroll interactions.
  • GeometryViewer Landing page
    Landing page //
    2026-06-11

GeometryViewer is a free browser-based 3D model viewer and file sharing platform. No software installation required - everything runs directly in your browser using WebGL and Three.js technology.

Supported 3D file formats: STL, OBJ, GLB, GLTF, 3MF, and FBX. Upload any 3D model and instantly get a shareable link that works on any device, desktop, tablet, or mobile.

Key features:

  • Online STL viewer with real-time rotation, zoom, and pan controls
  • Augmented Reality (AR) preview on iOS and Android: place your 3D model in your physical space using your phone camera
  • Animated GIF export: create rotating GIFs of your model to share on Reddit, Discord, Twitter, or social media
  • Embeddable 3D viewer widget: add interactive 3D previews to Shopify stores, WordPress sites, Notion pages, Webflow, Squarespace, and any HTML page using a simple embed snippet
  • oEmbed support for automatic rich previews in supported platforms
  • Progressive Web App (PWA): works fully offline after the first visit, no internet connection needed
  • Android app available on Google Play for quick mobile viewing
  • No account required: drag, drop, share instantly

Who uses GeometryViewer:

3D printing enthusiasts sharing models from Thingiverse, Printables, and MyMiniFactory without requiring viewers to install software. Product designers previewing models for clients. Teachers embedding 3D objects in educational presentations. Shopify and WooCommerce developers adding interactive product visualization. Engineers sharing CAD exports for remote review and approval.

GeometryViewer is the free browser alternative to Microsoft 3D Viewer (discontinued July 2026), Sketchfab Basic, ViewSTL, and other online 3D model viewers. It loads instantly, requires no account, and runs on every modern browser including Chrome, Firefox, Safari, and Edge. Also available as an Android app on Google Play. Supports offline use, embeds into any HTML page, and delivers a fast WebGL render on all modern devices.

Not present

GeometryViewer

Website
geometryviewer.com
$ Details
free
Release Date
2026 April
Startup details
Country
Hungary
State
Pest
City
Budapest
Founder(s)
Josh Green
Employees
1 - 9
Edit details

ScrollMagic

Website
scrollmagic.io
$ Details
Release Date
-
Edit details

GeometryViewer features and specs

  • STL Viewer
    Open and view STL files instantly in the browser: no install, no account
  • OBJ Viewer
    Full support for Wavefront OBJ format including materials and textures
  • GLB / GLTF Viewer
    Real-time PBR rendering of GLB and GLTF 3D models with correct lighting
  • 3MF File Support
    Open 3MF files used by PrusaSlicer, BambuStudio, and other modern slicers
  • FBX Viewer
    View FBX files in the browser without needing Autodesk software
  • Shareable Link
    Upload any 3D model and get a public URL anyone can open instantly
  • AR Preview
    Place any 3D model in your physical space using your iOS or Android camera
  • No Account Required
    Drag, drop, and view — no registration or login ever needed
  • Android App
    Available as a native Android app on Google Play

ScrollMagic features and specs

  • Ease of Use
    ScrollMagic provides a straightforward API that allows developers to easily create scroll-based animations and interactions without extensive knowledge of complex animation frameworks.
  • Flexible Animation Triggers
    It supports flexible animation trigger points and scroll positions, enabling precise control over when and how animations occur during scrolling.
  • Compatibility
    ScrollMagic is built to work seamlessly with animation libraries such as GSAP and Velocity.js, which can be leveraged to create complex animations.
  • Rich Documentation
    The library comes with detailed documentation and examples, making it easier for developers to understand and implement scroll animations.
  • Extensibility
    ScrollMagic allows for a high degree of customization and extensibility, enabling developers to build unique scroll-triggered animations tailored to project-specific requirements.

Possible disadvantages of ScrollMagic

  • Dependency on Third-party Libraries
    While ScrollMagic itself is lightweight, it often requires third-party libraries like GSAP for more advanced animations, which can increase the overall project size.
  • Limited Built-in Animation Capabilities
    The library focuses on scroll events rather than animations. Developers might need additional libraries to achieve advanced animation effects.
  • Learning Curve for Complex Interactions
    For developers unfamiliar with scroll-based animation, creating highly complex interactions may require a learning curve to fully leverage the library's capabilities.
  • Performance Concerns
    In projects with heavy DOM manipulation or large numbers of elements being animated simultaneously, performance issues might arise, particularly in less modern browsers.
  • Maintenance and Updates
    As of its last release, ScrollMagic might not be as actively maintained as other newer libraries, posing potential issues with future compatibility and bug fixes.

Analysis of GeometryViewer

Overall verdict

  • GeometryViewer appears to be a useful specialized tool for visualizing and inspecting 3D geometry and models, offering value for those who need quick, browser-based geometry viewing without heavy software installations. However, as an independent reviewer without verified firsthand data on this specific site, this assessment is general and you should evaluate its actual features, performance, and security before relying on it.

Why this product is good

  • Browser-based access means you can view geometry without installing dedicated CAD or 3D software.
  • Likely supports common 3D file formats, making it convenient for quick inspection and sharing.
  • Useful for collaboration, allowing teams to review models without specialized tools.
  • Can save time for lightweight tasks compared to opening full engineering applications.

Recommended for

  • Engineers and designers who need to quickly preview 3D models or CAD files
  • Educators and students learning geometry or 3D modeling concepts
  • Teams needing to share and review models without everyone having heavy software
  • Hobbyists and 3D printing enthusiasts wanting a fast way to inspect files

GeometryViewer videos

No GeometryViewer videos yet. You could help us improve this page by suggesting one.

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ScrollMagic videos

+ Add

ScrollMagic 101 - Controller, Scene and triggerElement

More videos:

  • Review - ScrollMagic 101 - A Simple Parallax Effect

Category Popularity

0-100% (relative to GeometryViewer and ScrollMagic)

GeometryViewer

ScrollMagic

3D
25 25%
3D
75% 75
Animation
0 0%
Animation
100% 100
3D Modeling
100 100%
3D Modeling
0% 0
3D Technology
100 100%
3D Technology
0% 0

Questions & Answers

As answered by people managing GeometryViewer and ScrollMagic.

What makes your product unique?

GeometryViewer's answer

Most 3D viewers make you install software, create an account, or pay for a subscription before you can even open a file. GeometryViewer does none of that. You drag a file in, you get a shareable link, and anyone with that link can view it in their browser, see it in AR on their phone, or export it as a GIF.

Why should a person choose your product over its competitors?

GeometryViewer's answer

Because it is genuinely free with no catch. No account, no watermark on the free tier, no file size limit hidden behind a paywall, no install. Sketchfab requires an account and puts branding on free embeds. Most desktop viewers only work on Windows. Browser-based alternatives tend to support only one or two formats. GeometryViewer handles STL, OBJ, GLB, GLTF, 3MF, and FBX in one place, with AR preview on mobile and GIF export built in. It also works offline after the first visit.

Who are some of the biggest customers of your product?

GeometryViewer's answer

  • 3D printing hobbyists sharing models from Thingiverse and Printables
  • Independent product designers sending client previews without requiring software installs
  • Shopify and WooCommerce developers adding 3D product visualization to online stores
  • Teachers embedding 3D models in educational content and presentations
  • Engineers sharing CAD exports for remote review and sign-off

How would you describe the primary audience of your product?

GeometryViewer's answer

Because it is genuinely free with no catch. No account, no obtrusive watermark on the free tier, no file size limit hidden behind a paywall, no install. Sketchfab requires an account and puts branding on free embeds. Most desktop viewers only work on Windows. Browser-based alternatives tend to support only one or two formats. GeometryViewer handles STL, OBJ, GLB, GLTF, 3MF, and FBX in one place, with AR preview on mobile and GIF export built in. It also works offline after the first visit.

Which are the primary technologies used for building your product?

GeometryViewer's answer

Three.js for WebGL rendering, WebXR for augmented reality on mobile, and a custom Web Component that makes the viewer embeddable on any page with a single HTML tag. The PWA is built on standard Service Worker APIs for offline support. The backend is minimal - file storage and short URL generation. No server-side rendering of 3D content; everything runs in the browser.

What's the story behind your product?

GeometryViewer's answer

It all started because sharing a 3D model with someone who has no 3D software is surprisingly painful. Sending a file means the other person needs software. Sketchfab requires an account. Microsoft 3D Viewer only works on Windows and is being discontinued in July 2026. GeometryViewer exists to solve that exact problem - open any common 3D format in a browser, get a link, share it. AR preview and GIF export came later as features users actually asked for.

User comments

Share your experience with using GeometryViewer and ScrollMagic. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, ScrollMagic seems to be more popular. It has been mentiond 25 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

GeometryViewer mentions (0)

We have not tracked any mentions of GeometryViewer yet. Tracking of GeometryViewer recommendations started around Jun 2026.

ScrollMagic mentions (25)

  • Top 10 JavaScript Animation Libraries
    ScrollMagic (14.8k ⭐) — A library for creating scroll interactions with JavaScript and CSS. It can trigger animations based on scroll position and pin elements within the viewport. It has over 11K stars on GitHub. - Source: dev.to / over 2 years ago
  • Implementing scroll-aware UI state with CSS
    Several libraries and frameworks can help with this task, such as ScrollTrigger, ScrollMagic, Framer Motion, and the good ol’ Intersection Observer API. These tools provide more options and flexibility to create complex and interactive scroll-driven animations with ease. - Source: dev.to / over 2 years ago
  • How achieve this SVG/CSS Animation?
    By checking their source code, it looks like they're using DrawSvgPlugin for the SVG animations and ScrollMagic for the animations when scrolling. I'd start by checking these two libraries. Source: about 3 years ago
  • How to re-create a vertical Card Slider, similar to Refokus
    One library is called https://scrollmagic.io/ but you'll find plenty of tutorials and videos that implement this kind of scrolling. Source: over 3 years ago
  • What's the name of this? Or how can I recreate it?
    ScrollMagic (there's a scrollMagic port for react too). These libraries take advantage of the intersection observer API (a standard built-in js web api). You may also be interested in the scroll event. Source: almost 4 years ago
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What are some alternatives?

When comparing GeometryViewer and ScrollMagic, you can also consider the following products

Vectreal Platform - Vectreal is an open-source platform for 3D web visualization and publishing — scalable from art projects to enterprise workflows. Load, optimize, and publish interactive 3D models directly in the browser. No bloated pipelines, no vendor lock-in.

WOW.js - Animate elements on-scroll to catch attention. Such Magic.

Revievv - Review 3D CAD models, PDFs and images in your browser. Share a link, collect pinpointed feedback. No CAD license needed. Free to start.

ScrollReveal - ScrollReveal is a tool to add scroll animations for web and mobile browsers.

Sketchfab - Sketchfab is an industrial design software tool is useful for ideation and for beginners in the industrial design field.

Lax.js - Create beautiful & smooth animations when you scroll

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