Free Tool

Free Online STL & 3D Viewer

Open STL, GLB, GLTF, OBJ, FBX, PLY, or VOX files up to 50MB in your browser for free. Rotate, zoom, inspect geometry, and export to GLB, STL, or OBJ.

Drop your 3D file here

or click to browse

Supported formats: .GLB, .GLTF, .OBJ, .STL, .FBX, .PLY, .VOX

Maximum file size: 50MB

Workflow

How to Use the 3D Viewer

1

Upload Your File

Drag and drop your 3D model or click to browse. The viewer accepts files up to 50MB.

2

Preview & Inspect

Rotate, zoom, and pan to view your model from any angle. Check geometry stats in the info panel.

3

Export if Needed

Download your model in GLB, STL, or OBJ format for different use cases.

Capabilities

Why Use This Online 3D Viewer?

Multiple Formats

Support GLB, GLTF, OBJ, STL, and FBX - all popular 3D file formats.

Model Statistics

Inspect vertices, triangles, materials, textures, and bounding box dimensions.

Format Conversion

Export your model to GLB, STL (for 3D printing), or OBJ (for editing).

File formats

Supported 3D File Formats

Use self-contained files. External textures and companion files may not load. Export can change materials or scale; check dimensions before printing.

GLB / GLTF

The standard format for web 3D content. Compact binary format with embedded textures, ideal for AR/VR and web applications.

STL

Widely used in 3D printing. Contains only geometry data without colors or textures.

OBJ

A universal format supported by most 3D software. Good for transferring models between applications.

FBX

Autodesk format commonly used in game development and animation workflows.

Use cases

Who Uses This 3D Viewer

3D Designers

Quick preview of models before importing into your main software. Check polygon count and dimensions.

3D Printing

Verify STL files before sending to your printer. Export to STL from other formats if needed.

Game Developers

Preview game assets and check model statistics. Convert between formats for your game engine.

Online Shoppers

View 3D product files before purchasing. Inspect downloaded models from 3D marketplaces.

Questions

Frequently Asked Questions

01

Is this 3D viewer completely free?

Open STL, GLB, GLTF, OBJ, FBX, PLY, or VOX files up to 50MB in your browser for free. Rotate, zoom, inspect geometry, and export to GLB, STL, or OBJ.

02

Are my files uploaded to a server?

No. All processing happens in your browser. Your 3D files never leave your device.

03

What's the maximum file size?

The viewer supports files up to 50MB. For larger files, consider optimizing your model first.

04

Does it work on mobile devices?

Yes, the 3D viewer works on modern smartphones and tablets with WebGL support.

05

Can I convert between 3D formats?

Open STL, GLB, GLTF, OBJ, FBX, PLY, or VOX files up to 50MB in your browser for free. Rotate, zoom, inspect geometry, and export to GLB, STL, or OBJ. Use self-contained files. External textures and companion files may not load. Export can change materials or scale; check dimensions before printing.