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View 3D STEP files Online

Use this free tool to view your 3D STEP (STEP-File) files online without needing to install any software.

Our tool can load most binary and text based STEP files. If you are looking to convert your 2D image files to 3D STL files then we have a 2D to 3D conversion tool here.

How to View your STEP File Online?

Here are 2 simple steps to display your STEP file in any web browser.

Upload an STEP

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

View your STEP

Once processed your STEP file will be displayed in the web browser.


How can I convert my STEP file to STL?

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

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

We aim to process all STEP 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 STEP 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 STEP to STL on ImageToStl.com?

Yes, of course! We do not store the STEP 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 STEP to STL on Windows, Linux, Android, iOS or Mac OS?

Yes! Our STEP 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 STEP 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.