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Our free and fast tool will convert most 3D mesh or MTL (OBJ Material File) model files to a standard FBX (Autodesk Filmbox) 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 MTL files; up to 25 files at a time can be converted.
To convert your MTL file, click the Upload button above and select the file to convert. Once selected, the file will be converted to a FBX file and will be ready for download shortly afterwards. For more information about the MTL to FBX conversion process, see the conversion information section below.
| Extension | MTL |
| Full Name | OBJ Material File |
| Type | 3D Model |
| Mime Type | text/plain |
| Format | Text |
| Tools | MTL Converters, 3D Model Voxelizer, Create MTL Animation |
An MTL (material) file is most commonly associated with the 3D model format OBJ and is used by the OBJ file format as a means to store material information related to the OBJ model. This material information may also include textures, which are typically stored in separate image files.
The information is stored within the MTL file as plain text, making it easy to read and modify by hand. An MTL file does not have much use without the accompanying OBJ file; however, it can be used with our range of MTL converters to convert the materials into other 3D formats that also support materials such as FBX.
Due to their nature in that they only store material data, FBX files, when imported, our tools will create some sample 3D geometry and apply the materials found within the FBX file to this geometry.
| Extension | FBX |
| Full Name | Autodesk Filmbox |
| Type | 3D Model |
| Mime Type | application/octet-stream |
| Format | Text & Binary |
| Tools | FBX Converters, 3D Model Voxelizer, Create FBX Animation, FBX Asset Extractor, Text to FBX, FBX Viewer |
| Open With | Blender, MeshLab |
The FBX format by AutoDesk was originally developed by Kaydara in the 1990s as a means to store 2D or 3D content with motion data. It has evolved over the years to become a widely used format by 3D modeling applications such as Blender, 3D Studio Max, and others due to its 3D animation capabilities.
The format is used to contain 3D models, which include vertices, faces, and other 3D geometry along with animation data. The format is proprietary; however, there is a publicly available API to use for development purposes. The file contents can be either text or binary, and work has been carried out by the Blender Foundation to document the format.
If your original model file contains texture images and other texture-related data, these will be included in the final FBX file.
First click the "Upload..." button, select your MTL file to upload. Select any configuration options. When the MTL to FBX conversion has completed, you can download your FBX file straight away.
We aim to process all MTL to FBX 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 MTL file you submit to us. The resulting FBX file, once created is deleted 15 minutes after upload and the download link will expire after this time.
Yes! Our MTL to FBX 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 MTL 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. When you have converted your MTL to FBX, there is a "Feedback" option that you can use to let us know of any issues you encountered when converting your file.
Yes! Our MTL tool supports full batch conversions. You can upload up to 25 and MTL files at a time. Our tool will convert them all as quickly as possible. Once completed, you can either download the FBX files individually or download them all in a single ZIP file.
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