Our free and fast tool will convert most 3D mesh or GLB (Graphics Language Transmission Format) model files to a standard OBJ (Wavefront) file that can then be edited further in most popular 3D editing packages such as Blender or 3D printed without any further processing. Our conversion tool can also batch convert multiple GLB files; up to 25 files at a time can be converted.
To convert your GLB file, click the Upload button above and select the file to convert. Once selected, the file will be converted to a OBJ file and will be ready for download shortly afterwards. For more information about the GLB to OBJ conversion process, see the conversion information section below.
Here are two simple steps to convert your GLB to OBJ.
First click the "Upload..." button, select your GLB file to upload. Select any configuration options. When the GLB to OBJ conversion has completed, you can download your OBJ file straight away.
We aim to process all GLB to OBJ conversions as quickly as possible, this usually takes around 5 seconds but can be more for larger more complex files so please be patient.
We aim to create the most accurate conversions with our tools. Our tools are under constant development with new features and improvements being added every week.
Yes, of course! We do not store the GLB file you submit to us. The resulting OBJ file, once created is deleted 15 minutes after upload and the download link will expire after this time.
Yes! Our GLB to OBJ tool will run on any system with a modern web browser. No specialist software is needed to run any of our conversion tools.
Yes. Although you can use an Ad Blocker, if you like our GLB conversion tool please consider white-listing our site. When an Ad Blocker is enabled there are some conversion limits on some of our tools and processing/conversion times will be longer.
Yes! If your GLB file contains textured geometry, the texture image files along with the texture coordinates (UV data) will be exported with the final OBJ file.
Yes! Our GLB tool supports full batch conversions. You can upload up to 25 and GLB files at a time. Our tool will convert them all as quickly as possible. Once completed, you can either download the OBJ files individually or download them all in a single ZIP file.
| Extension | GLB |
| Full Name | Graphics Language Transmission Format |
| Type | 3D Model |
| Mime Type | model/gltf-binary |
| Format | Binary |
| Tools | GLB Converters, 3D Model Voxelizer, Create GLB Animation, GLB Asset Extractor, Text to GLB, GLB Viewer |
| Open With | Blender, MeshLab |
The GLB file format, which can also have the GLTF file extension depending on whether the content is binary or text/JSON, is a 3D file format used to describe 3D worlds and, as such, contains geometric data such as vertices, faces, normals, animations, and other 3D scene-related data.
The format, described by its creators as the "JPEG of 3D", has gained in popularity and is supported by a wide range of 3D modeling applications such as Blender and MeshLab. The GLB format is an open standard that is maintained by the Khronos Group.
If your GLB file contains texture files and other texture-related data, these will be included in the conversion process.
| Extension | OBJ |
| Full Name | Wavefront |
| Type | 3D Model |
| Mime Type | text/plain |
| Format | Text |
| Tools | OBJ Converters, 3D Model Voxelizer, Create OBJ Animation, Compress OBJ, OBJ Asset Extractor, Text to OBJ, OBJ Viewer |
| Open With | Daz Studio, MeshLab, CAD Assistant |
The OBJ file format, originally created by Wavefront Technologies and later adopted by many other 3D software vendors, is a simple text-based file format for describing 3D models/geometry. This data can include vertices, faces, normals, texture coordinates, and references to external texture files.
As the format is text-based, it is relatively straightforward to parse in 3D modeling applications. A downside of the text-based format is that the files can be rather large compared to similar binary formats such as STL and compressed files such as 3MF.
Our tool will save any material and texture files separately; these additional files will be included with your final OBJ file at the time of download.
Converting from the GLB file format to OBJ can be a complex process, and any tool used for this conversion process needs to be able to handle a variety of data conversion tasks as well as identify any defects within the 3D model and fix them. Here we will explain the conversion process used by our tool to accurately convert your GLB file to a valid OBJ 3D model. Let's start with the conversion process, which involves the following steps:
In its simplest form, an GLB file is a binary data file containing 3D data such as vertices, faces, normals, and more. When combined, these make up the 3D model you see on your screen.
When our tool reads this 3D data, all we are interested in are the vertices, faces, normals, materials, and textures, as this is the only data that can be accurately converted into the final OBJ file.
The GLB file can contain data such as material definitions and textures that describe how a particular set of 3D geometry should be rendered. As we are creating an OBJ file, which supports both materials and textures, our tool will attempt to load any materials and textures present in the GLB file.
For more information regarding the GLB file format, please see this great article that goes into a lot of detail explaining the GLB format.
With the GLB file data read, our tool generates an internal representation of the full 3D model and will attempt to fix any geometry issues encountered. Along with repairing any issues with the 3D model, the tool will remove any duplicated vertices and prepare the model for exporting to the OBJ format.
The OBJ format has been around for many years and has become a standard format for 3D modeling. Most 3D modeling software can open OBJ files, which means our tool now needs to take the in-memory 3D model we created in step 2 and convert it to the OBJ format, ensuring it can be opened in all 3D modeling software with no compatibility issues.
Along with the completed OBJ file, a separate MTL file will also be created, along with any textures that were present in the original GLB file. Depending on the original texture format, these textures will be saved in either PNG or JPG format. If the original format was neither of these, for example, if your model contained a texture in the TIF format, it will be converted to a PNG.
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