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Convert Your 3D Mesh/Model 3MF Files to STL

Our free and fast tool will convert most 3MF model files to a standard STL file that can then be edited further in most popular 3D editing packages such as Blender or 3D printed without any further processing.

To convert your file click the Upload button below and select the file to convert. Once selected your STL file will be converted and ready for download shortly afterwards. For more information about the 3MF to STL conversion process see the conversion information section below for more information.

How to Convert your 3MF to STL Online?

Here are 2 simple steps to convert your 3MF to STL.

Upload a 3MF

Click the "Upload a 3MF File" button and select a 3MF to upload. The maximum file size is 100MB.

Download your STL

Click the download link once completed to receive your STL file.

FAQ

What STL formats can I convert to?

Our tool will save all STL files in binary format. Optionally, our tool will allow you to save to the non-standard color STL format.

How can I convert my 3MF file to STL?

First click the "Upload..." button, select your 3MF file to upload. Select any configuration options. When the 3MF to STL conversion has completed, you can download your STL file straight away.

How long does it take to convert my 3MF to STL?

We aim to process all 3MF to STL conversions as quickly as possible, this usually takes around 5 seconds but can be more for larger more complex files so please be patient.

How accurate is the 3MF to STL conversion?

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.

Is it safe to convert my 3MF to STL on ImageToStl.com?

Yes, of course! We do not store the 3MF file you submit to us. The resulting STL file, once created is deleted 1 hour after upload and the download link will expire after this time.

Can I convert 3MF to STL on Windows, Linux, Android, iOS or Mac OS?

Yes! Our 3MF to STL tool will run on any system with a modern web browser. No specialist software is needed to run any of our conversion tools.

What if I am using an Ad Blocker, will that affect things?

Yes. Although you can use an Ad Blocker, if you like our 3MF 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.