Use our fast and free online STEP viewing tool to view your 3D STEP (CAD) files online without needing to sign up or install any specialist 3D viewing software. Our STEP viewer tool will generate a real-time color 3D preview of your STEP file with pan and zoom controls, allowing you to see your 3D model from any angle. If your STEP file is compressed, you can use our STPZ viewer.
Our STEP viewing tool can load most STEP files quickly (around 4x faster than other online or offline STEP viewers) and display them accurately with object colors, if present. You do not need to register or create an account to use our STEP viewing tool. We are working on improvements all the time to improve compatibility and enhance the rendering quality; feel free to submit your comments using our feedback form which is also available after uploading your STEP file.
| Extension | STEP |
| Full Name | STEP-File |
| Type | 3D Model |
| Mime Type | application/octet-stream |
| Format | Binary |
| Tools | STEP Converters, 3D Model Voxelizer, Create STEP Animation, Text to STEP, STEP Viewer |
| Open With | CAD Assistant |
The STEP file format is a 3D format defined in 1994 and used to store 3D objects for use in computer-aided design (CAD) applications. STEP files are text-based, formatted files containing one instance per line.
Although STEP files are widely supported by most CAD applications, the format does have its limitations, such as the necessity to read the complete file into memory in order to parse the contents, and due to the textual storage of information, the files can be quite large.
Yes. If your STEP file is compressed, our tool will detect this automatically and load the 3D model from the STEP file as normal.
Our STEP file viewer is up to 4x faster than other online or offline tools, so you can be sure your file will be rendered quickly. Larger files will typically take longer to render than small files, so please be patient.
We aim to create the most accurate rendition of your STEP file with our tools. Our tools are under constant development with new features and improvements being added every week.
Yes, of course! We do not store the STEP file you submit. The generated preview file within your browser is deleted after 15 minutes,
Yes! Our STEP file viewer will run on any system with a modern web browser. No specialist software is needed to use our file viewing tools.
Our STEP to 3D Model file converter is up to 4x faster than other online or offline file converters, meaning your files are converted quickly and hassle-free. Smaller files are typically converted instantly, while larger files will take longer to process.
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