STL TO GLB CONVERTER
Upgrade your STL files to GLB format. Add materials and optimize your 3D print models for web viewing and sharing.
STL
GLB
Click to upload or drag and drop
STL
Max size: 50MB
Your files are processed entirely in your browser. Nothing is uploaded to our servers.
How to Convert STL to GLB
Preview Your Model
Download GLB File
Why Use Our Converter?
Instant Conversion
Convert your files in seconds with our optimized WebGL-based converter. No waiting for server processing.
100% Private
Your files never leave your browser. All processing happens locally on your device for complete privacy.
Free & Unlimited
Convert as many files as you need with no limits, no accounts, and no watermarks.
STL vs GLB
STLSource Format
Stereolithography
STL is the standard format for 3D printing. It describes only the surface geometry using triangular facets, without colors, textures, or other attributes.
3D printingRapid prototypingCAD/CAMManufacturing
GLBTarget Format
GL Transmission Format Binary
GLB is the binary version of glTF, a royalty-free 3D file format. It packages geometry, textures, and materials into a single file, making it ideal for web and real-time applications.
Web 3DAR/VRGame enginesReal-time rendering
Other 3D Converters
GLBGLTF
GLB to GLTF
Convert GL Transmission Format Binary to GL Transmission Format
GLBOBJ
GLB to OBJ
Convert GL Transmission Format Binary to Wavefront OBJ
GLBSTL
GLB to STL
Convert GL Transmission Format Binary to Stereolithography
GLTFGLB
GLTF to GLB
Convert GL Transmission Format to GL Transmission Format Binary
GLTFOBJ
GLTF to OBJ
Convert GL Transmission Format to Wavefront OBJ
GLTFSTL
GLTF to STL
Convert GL Transmission Format to Stereolithography
Frequently Asked Questions
Yes, our converter is completely free to use with no limits on the number of conversions. No account or signup required.
No! All processing happens entirely in your browser using WebGL and JavaScript. Your files never leave your device, ensuring complete privacy and security.
You can convert files up to 50MB in size. Larger files may require desktop software for processing.
GLB is a binary format that packages everything into a single file. GLTF is JSON-based and may reference external files. GLB is better for distribution, while GLTF is easier to edit manually.
