Online 3D File Viewer
View 3D models online without software installation with Vega3D.
How to View a 3D File Online
Open and explore any 3D model in three simple steps no software install and no signup needed.
Upload Your 3D File
Pick your file format, then drag and drop your model or click to browse. Supports STL, OBJ, GLB, GLTF, FBX, PLY and 3MF files up to 50MB.
View & Interact
Your model loads instantly right in the browser. Orbit, pan and zoom with your mouse or touch to inspect it from every angle in real time.
Inspect Every Detail
Toggle the reference grid, reset the view and zoom in to check geometry, proportions and surface detail before printing or editing.
Why Use the Vega3D Viewer
A fast, private and free way to open 3D models right in your browser.
Your Files Stay Private
Models are loaded and rendered locally in your browser. Nothing is ever uploaded to a server, so your designs never leave your device.
No Installation Needed
Open and view 3D models straight from your browser. There is no software to download, update or configure it just works.
Completely Free
View as many models as you want, as often as you want. No account, no watermark and no hidden limits.
Works on Any Device
The viewer runs on Windows, Mac, Linux and even phones and tablets, right in the browser with full touch controls.
Real-Time Rendering
Powered by WebGL, your model appears instantly with smooth lighting so you can orbit, pan and zoom without any lag.
7 Formats in One Viewer
Open STL, OBJ, GLB, GLTF, FBX, PLY and 3MF files all in the same place, with no need to convert them first.
Supported 3D File Formats
Open the most common 3D file types in one viewer. Tap any format to open its dedicated viewer.
STL Viewer
The standard format for 3D printing. Stores surface geometry as a mesh of triangles, with no color or texture data.
OBJ Viewer
A widely supported mesh format that stores geometry and, alongside an MTL file, material and texture references.
GLB Viewer
A compact binary glTF file that packs meshes, materials, textures and animation into a single web-ready file.
GLTF Viewer
The JSON-based “JPEG of 3D”. Efficient, modern and built for real-time and web-based applications.
FBX Viewer
A rich Autodesk format used across games and film, supporting meshes, materials, rigs and animation.
PLY Viewer
Common for 3D scans and point clouds. Stores geometry together with per-vertex color information.
3MF Viewer
A modern 3D printing format that keeps color, materials and print settings together in one tidy package.
Use Cases of the 3D Viewer
Discover how the Vega3D viewer helps makers, designers and developers open and inspect 3D models right in the browser.
3D Print Preview
Check an STL or 3MF before you slice it. Inspect walls, overhangs and fine detail to catch problems before wasting filament and time.
Quick Design Reviews
Open a client or teammate’s model in seconds and review geometry together without launching heavy CAD software.
Game Asset Checks
Load GLB, FBX or OBJ assets to verify scale, topology and materials before dropping them into your game engine.
Education & Learning
Explore 3D models in class or while learning CAD spin them around to understand structure, form and how parts fit together.
Inspect Downloaded Files
Grabbed a model from Thingiverse, Sketchfab or a marketplace? Preview exactly what is inside before importing it into your project.
Compare File Formats
Switch between STL, OBJ, GLB, GLTF, FBX, PLY and 3MF to see how the same model looks and behaves across different file types.
Frequently Asked QuestionsFrequently
Asked
Questions
The online viewer opens STL, OBJ, GLB, GLTF, FBX, PLY and 3MF files. Just pick the matching format before you upload and your model loads straight away.
No. Vega3D runs entirely in your web browser, so there is nothing to download or install. Open the page, drop in your file and start viewing.
No account is required. The 3D viewer is completely free to use with no signup, no login and no watermark.
No. Your files are loaded and rendered locally inside your browser, so they never leave your device. This keeps your models private and makes loading fast.
You can view models up to 50MB. For very large or high-poly files, close other browser tabs to free up memory for the smoothest performance.
The 3D viewer is for viewing and inspecting only. If you need to change formats, use the Vega3D 3D Converter to convert between STL, OBJ, GLB, GLTF and more.
Left-click and drag to rotate, right-click and drag to pan, and scroll to zoom. You can also use the on-screen controls to reset the camera, zoom in or out and toggle the grid.
Yes. Because Vega3D runs in the browser, you can open and rotate 3D models on a phone or tablet using touch gestures, no app required.
Make sure the file extension matches the format you selected in the dropdown, that the file is under 50MB, and that it is not corrupted. Then try uploading again.
Yes. You can view as many 3D models as you like, as often as you like, completely free with no hidden limits.
