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Free STP Viewer Alternatives

The best free alternative to STP Viewer is IDA-STEP Viewer. If that doesn't suit you, our users have ranked more than 10 alternatives to STP Viewer and 11 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to STP Viewer are CAD Assistant, Mayo, A360 VIEWER and eDrawings Viewer.

This page was last updated May 19, 2022
  • FreeProprietary
  • Windows

Free STP Viewer - free software that lets you view 3D STEP files (.stp, .step file format).

Learn more about STP Viewer

  1. IDA-STEP Viewer

    • FreemiumProprietary
    • Mac
    • Windows
    • Linux

    Component of IDA-STEP providing core viewing functionality for all kinds of STEP files (*.stp). This component alone makes a fully usable tool for viewing PDM, CAD and other data, available as STEP (internation standard ISO 10303) files.

    IDA-STEP Viewer vs STP Viewer opinions
    Most users think IDA-STEP Viewer is a great alternative to STP Viewer.

    drawings does not open step files on Mac

    Positive comment about 1 month ago
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  2. CAD Assistant

    • FreeProprietary
    • Mac
    • Windows
    • Linux

    Open Cascade CAD Assistant is a powerful offline 3D CAD viewer and converter with simple and intuitive interface, free for both personal and commercial use.



  3. Mayo

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    3D CAD viewer and converter based on Qt + OpenCascade.

  4. A360 VIEWER

    • FreeProprietary
    • Online

    A360 Viewer is a free online viewer for 2D and 3D designs including AutoCAD DWG, DXF, Revit RVT and Inventor IPT, as well as STEP, SolidWorks, CATIA and others. These file types can be viewed with the online A360 viewer, the free version of A360, and the paid version, A360 Team.

  5. eDrawings Viewer

    • FreemiumProprietary
    • Windows

    View, print, and review all types of eDrawings files.



  6. 3D Viewer Online

    • FreemiumProprietary
    • Online

    View, Measure, Share and Embed 3D models and 2D drawings directly in your browser. No installation required, works on computers, smartphones and tablets. Files supported : STP, IGS, STL, PLY, OBJ with MTL, DXF, DWG

  7. CAD-Viewer.org

    • FreeProprietary
    • Online
    • Windows
    • Mac
    • iPhone
    • iPad
    • Linux
    • Android Tablet
    • Android
    • Google Chrome
    • Firefox

    Free online CAD viewer. Upload STEP, STP, IGES, IGS, OBJ and STL files and visualize them directly in the navigator. PC, Tablet or Mobile, all the devices are supported.

  8. IGES2STEP

    • FreeProprietary
    • Windows

    iges2step is a freeware CAD file viewer for Windows XP/2000/NT. It allows viewing IGES and STEP files and translating between them. The versions of the formats are:

  9. ENSUITE-VIEW

    • Free PersonalProprietary
    • Windows

    Multi-CAD viewer that allows you to view all major CAD formats.

  10. VariCAD Viewer

    • FreeProprietary
    • Windows
    • Linux

    VariCAD Viewer is a free viewer, convertor and printing software working with 2D DWG, DXF, 3D STEP and 2D/3D VariCAD file formats.

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Showing 10 of 11 alternatives