Home3D Model ConverterSTL ConverterConvert STL to GLB

Free Online STL to GLB Converter

Or drag and drop your files here to upload.
A maximum of 20 files can be uploaded at once.

Please note: Your STL file, once uploaded to our server will be deleted 15 minutes after upload so please download your converted STL file before this time.

How to Convert your STL to GLB Online?

Here are 2 simple steps to convert your STL to GLB using our fast and free STL converter tool.

Upload your STL file

Click the "Upload a STL File" button, then select a STL to upload. The maximum file size is 100MB.

Download your GLB

Click the download link to receive your GLB file.

File format information for STL and GLB

ExtensionSTL
Full NameStandard Triangle Language
Type3D Model
Mime Typeapplication/vnd.ms-pki.stl
FormatText
Opens WithBlender, MeshLab, CAD Assistant, DAZ Studio

An STL file, short for Stereolithography, is a widely used file format in 3D printing and computer-aided design (CAD) applications. It serves as a standard method to represent the surface geometry of a three-dimensional object. The format was first developed by 3D Systems in 1987 and has since become a fundamental file type in the additive manufacturing industry. STL files are essential in the process of converting digital 3D models into physical objects through 3D printing technology.

STL files consist of a collection of triangular facets that approximate the shape of the 3D model. The surface of the object is divided into numerous small triangles, forming a mesh representation. Each triangle is defined by three vertices in 3D space and possesses information about its orientation and size. Since STL files store only the outer surface of the model, they are often referred to as "mesh" files or "surface" files, as they lack information about the object's internal structure or color.

When using STL files for 3D printing, slicing software processes the 3D model by dividing it into layers and creating the instructions for the 3D printer to build the object layer by layer. Despite its simplicity and widespread usage, STL files have some limitations. They do not support color or texture information, and the triangle-based representation can lead to larger file sizes and reduced accuracy compared to other file formats. Nonetheless, STL remains a vital format in the 3D printing ecosystem due to its simplicity and compatibility with a wide range of 3D printers and software.

STL Converter Capabilities

When converting 3D Model/Mesh files using our STL converter we will attempt to convert color materials into a suitable format for use in the converted file.

ExtensionGLB
Full NameGraphics Language Transmission Format
Type3D Model
Mime Typemodel/gltf-binary
FormatBinary
Opens WithBlender, MeshLab

A GLB file, short for "Graphics Library Binary," is a widely used file format in the realm of 3D graphics and virtual reality (VR) applications. It is a binary version of the popular 3D file format called GLTF (Graphics Library Transmission Format). The GLB format efficiently encapsulates 3D model data, textures, and animations into a single file, making it easy to share and load complex 3D scenes seamlessly across various platforms and software.

GLB files are essential for web-based 3D applications as they enable faster loading times and better performance compared to traditional formats. By packaging all the required assets into a single binary file, it reduces the number of HTTP requests necessary for loading the 3D content. Furthermore, GLB files use binary data, which takes up less space and can be parsed more quickly by applications, providing a smoother user experience for 3D web applications and VR experiences.

One of the key advantages of the GLB format is its compatibility with a wide range of devices, platforms, and 3D software. This cross-platform support allows 3D artists, game developers, and designers to create content in their preferred tools and easily distribute it without worrying about compatibility issues. As a result, GLB has become the de facto standard for delivering 3D content on the web and has played a significant role in driving the adoption of 3D graphics in various applications, including e-commerce, education, entertainment, and more.

GLB Converter Capabilities

When converting your STL to GLB our tool will attempt to accurately convert any color/material information.

Information for converting from STL to GLB

Your STL file will be converted to a GLB file using our unified 3D model and mesh conversion tool. Our STL 3D tool performs accurate conversions of 3D elements such as vertices, faces, normals and relevant material information. As both STL and GLB support color material information our tool will also attempt to convert the color information too.

Frequently Asked Questions

How can I convert my STL file to GLB?

First click the "Upload..." button, select your STL file to upload. Your STL file will be uploaded to our servers. When the STL to GLB conversion has completed, you can download your GLB file straight away.

How long does it take to convert my STL to GLB?

We aim to process all STL to GLB conversions as quickly as possible, this usually takes around 5 seconds however this can be longer for certain files, so please be patient.

How accurate is the STL to GLB conversion?

We aim to provide the best conversion experience. Our tools are under constant review and development with new features being added every week.