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Online 3D Viewer
Open3D Viewer
3D Viewer Online
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:
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.
Mendix
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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.
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.
GeometryViewer's answer:
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.
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.
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.
Based on our record, Mendix seems to be more popular. It has been mentiond 1 time 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.
The free dev-accounts that are mentioned on the website are referring to making accounts on mendix.com and developing in studio or studio pro. Those accounts are the 'dev accounts', we don't charge for that. If you create an dev account you have access to the exact same development resources as I do as a Mendix employee (or paying customer). If you as the developer want a named user account on your Prod... Source: about 5 years ago
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