Free Online STEP to STP Converter

You can use our STEP to STP conversion tool to quickly and easily convert your 3D model files for free. You may upload up to 20 files at one time, and our batch STEP to STP converter will process each 3D model and present you with a download link for each file once completed.

Or drag and drop your files here to upload.
A maximum of 20 files can be uploaded at once.

Please note: Your STEP file, once uploaded to our server, will be deleted 15 minutes after upload, so please download your converted STEP file before this time.

Our 3D model STEP to STP tool will load your STEP file and, where supported, attempt to extract all the relevant 3D features, such as geometry, textures, and animations. To access the 3D conversion configuration options, click the button when you have selected your files. The current options support the ability to voxelize your 3D model and more.

How to Convert your STEP to STP Online?

Here are two simple steps to convert your STEP to STP using our fast and free STEP converter tool.

Upload your STEP file

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

Download your STP

Click the download link to receive your STP file.

Frequently Asked Questions

How can I convert my STEP file to STP?

First, click the "Upload..." button and select your STEP file to upload. Your STEP file will be uploaded to our servers. When the STEP to STP conversion has completed, you can download your STP file right away.

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

We aim to process all STEP to STP conversions as quickly as possible; this usually takes around 5 seconds; however, this can be longer for certain files, so please be patient.

How accurate is the STEP to STP conversion?

We aim to provide the best conversion experience. Our tools are under constant review and development, with new features being added every week.

File format information for STEP and STP

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

STEP files are a 3D file format used to store complex 3D object definitions in a standard format to facilitate data transfer between compatible 3D modeling and CAD (Computer Aided Design) applications. In addition to storing 3D object data, the STEP format can store additional information such as materials, tolerances, and other relevant data.

The STEP format was first released in the early 1990's, has become a standard for 3D object storage, and is used in automotive, electronics, and other industries. STEP files can be opened in most modern CAD applications and can be imported into many 3D modeling applications too.

The file content is ASCII text-based and conforms to the ISO-10303-21 standard. The 3D object contained within the STEP file is described using a combination of points, lines, and edges. Due to the format being ASCII text, complex objects can lead to large file sizes. In addition to large file sizes, some complex STEP files can take a long time to open within editing applications, even on a high-spec, modern computer.

STEP Converter Capabilities

When converting 3D model or mesh files using our STEP converter, we will attempt to convert color materials into a suitable format for use in the converted file.

ExtensionSTP
Full NameSTEP-File
Type3D Model
Mime Typeapplication/octet-stream
FormatBinary
Opens WithCAD Assistant

STP files are a 3D file format used to store complex 3D object definitions in a standard format to facilitate data transfer between compatible 3D modeling and CAD (Computer Aided Design) applications. In addition to storing 3D object data, the STP format can store additional information such as materials, tolerances, and other relevant data.

The STP format was first released in the early 1990's, has become a standard for 3D object storage, and is used in automotive, electronics, and other industries. STP files can be opened in most modern CAD applications and can be imported into many 3D modeling applications too.

The file content is ASCII text-based and conforms to the ISO-10303-21 standard. The 3D object contained within the STP file is described using a combination of points, lines, and edges. Due to the format being ASCII text, complex objects can lead to large file sizes. In addition to large file sizes, some complex STP files can take a long time to open within editing applications, even on a high-spec, modern computer.

STP Converter Capabilities

When converting your STEP to STP, our tool will attempt to accurately convert any color or material information.

Information for converting from STEP to STP

Your STEP file will be converted to a STP file using our unified 3D model and mesh conversion tool. Our STEP 3D tool performs accurate conversions of 3D elements such as vertices, faces, normals, and relevant material information. As both STEP and STP support color material information, our tool will also attempt to convert the color information.

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