Free Online MTL Converter

This is our free-to-use MTL file conversion tool that can be used to convert your MTL file into any number of other 3D model formats. Our MTL converter will extract the 3D model geometry contained within your file and accurately convert it to the desired format without any loss of detail. Our MTL converter also has a batch processing mode whereby you may upload up to a maximum of 20 files to be converted in one go.

Select File(s)

Drag and drop your files here to upload or click the button above.
A maximum of 20 files can be converted at once.

Please note: Your MTL file file, when uploaded to our server, will be deleted 15 minutes after upload. Please download your converted MTL file file before this time.
Our MTL conversion tool supports converting to the following file types: OBJ

Our MTL converter will extract the vertices, faces, and other geometric data that forms the structure of your 3D model and convert it to the requested format. If the selected format supports external texture files, these can be uploaded along with your MTL model file, and these will be processed accordingly.

MTL file information

Full Name	OBJ Material File
Extension	MTL
Type	3D Model
Mime Type	text/plain
Format	Text

MTL Converter Capabilities

As materials containing texture and color information are both supported by the MTL format, our tool will do its best to include these materials, including any texture files, in the converted file.

Popular MTL Converter Tools

3D Model

MTL to OBJ

How to Convert your MTL file Online?

Here are 3 simple steps to convert your MTL file using our free MTL file file conversion tool.

Upload your MTL file

Click the "Select File" button, and then select a MTL file file to upload. The maximum file size is 100MB.

Select file type

Select the file type to convert your MTL file to using the list of available types.

Download your file

Click the download link to get your converted file.

Frequently Asked Questions

Is it free to use the MTL file conversion tools?

Yes, there is no cost to using our conversion tools.

Are there any MTL file conversion limits?

At this time, we do not have any usage limits other than the maximum of 20 file uploads per conversion run.

How long do I need to wait for my converted file to be completed?

The size of your MTL file will affect processing times, so please allow for this. For smaller files of around 5MB, our tools will aim to have it completed within a few seconds.

How is my MTL file converted, whats involved?

When you upload your file to our site, we use a set of bespoke conversion components to, as accurately as possible, convert your file to the requested format. When the conversion is complete you will see a download link with which to retrieve your converted file.

Is the MTL format suitable for 3D printing?

No. Most 3D printing slicer software will not support the MTL format. It is recommended to convert your MTL file to the STL format if you wish to 3D print it.