DORCHESTER3D

Free Online STEP Converter

This is our free-to-use STEP file conversion tool that can be used to convert your STEP file into any number of other 3D model formats. Our STEP 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 STEP converter also has a batch processing mode whereby you may upload up to a maximum of 20 files to be converted in one go.

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 STEP file file, when uploaded to our server, will be deleted 15 minutes after upload. Please download your converted STEP file file before this time.
Our STEP conversion tool supports converting to the following file types:
3MF, BLEND, DAE, FBX, GLB, MP4, OBJ, SKP, STL, STP, VID

Our STEP 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 STEP model file, and these will be processed accordingly.

STEP file information

Full NameSTEP-File
ExtensionSTEP
Type3D Model
Mime Typeapplication/octet-stream
FormatBinary

The STEP file format, also known as ISO 10303-21, is a 3D file format used within the area of computer-aided design (CAD) as a way to exchange data between different applications. The STEP format is essentially a plain text file containing commands used to describe the 3D object.

Due to the standardized nature of the format, there is support for importing STEP files into many CAD applications. STEP files can, however, become quite large, and some complex files can take a long time to import into a 3D project.

Mesh Geometry

The STEP format is not a mesh-based format; converting a STEP file to a mesh format is possible via most CAD applications via a tessellate function.

Materials

3D objects within a STEP file cannot have colors or textured surfaces applied to them.

STEP Converter Capabilities

As the STEP format currently does not support the use of material colors when used by tool, your converted model will contain only the mesh geometry, material colors will not be transferred to your converted file.

Popular STEP Converter Tools

How to Convert your STEP file Online?

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

Upload your STEP file

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

Select file type

Select the file type to convert your STEP 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 STEP file conversion tools?

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

Are there any STEP 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 STEP 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 STEP 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 STEP format suitable for 3D printing?

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

Is it safe to convert my STEP on dorchester3d.com?

Yes, your files are automatically deleted from our servers after 15 minutes.

Can I convert my STEP file using Android, iOS, Mac OS or Linux?

Yes, you can. Our STEP file converters only require a modern web browser to convert your files.

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