Top 6 Free STEP File Viewer Software for Windows [2023]

STEP files (or STP files) are used to design 3D diagrams, and special software is required to view them. Using the software, you can rotate, pan, move, zoom, etc your files. You can also view your data from different angles and views too. Here we have compiled a list of free step file viewer software that you can use to view your STEP files.

Internet is full of many STEP file viewers but we are here to avoid confusion between choosing from all of it. Here are some of the best ones you can choose from:

  • VariCAD Viewer
  • FreeCAD
  • gCAD3D
  • AutoDesk 123D Design
  • Geomagic Verify Viewers
  • GOM Inspect

Depending on the software, there are various other features available for you to use. Read this thorough guide to choose the best STEP file viewer.

6 Best STEP File Viewer Software

Here are the best STEP file viewer that you can look for.

VariCAD Viewer

Varicad Viewer is a stp file viewer freeware that can be used as a STEP file viewer software. It can convert STEP files to VeriCAD, DWG, IGS and DXF and vice versa. You can also export STEP files as BMP, JPG, PNG, and GIF. You can rotate, zoom, pan and change view of STEP files.


Various viewing options available for you are front, back, top, bottom, left and right. You can switch between 2D and 3D views for STEP files. You can also find options to rotate views around different axes. Some display options let you shade/wireframe entire display, view rotation center to display center, etc.

You can also use it to check and calculate3D distance, distance point plane, 3D coordinates, distance point cylinder, cylinder dimensions and angle between planes.

Some solid calculation options let you calculate volume, surface area, mass, center of gravity, and moment of inertia of 3D models.


With FreeCAD you can choose different navigational styles to view STEP files from the options Blender, MayaGesture, OpenInventor, Touchpad, CAD, gesture, and OpenCascade.


Different draw styles options are also available where you can see the STP file as it is, view as flat lines, wireframe view, shaded view and points view. You can choose different aspects from the options such as front view, top view, right view, left view, axonometric view, etc. You can also create your view.

One can also be able to zoom, pan, rotate, etc with this stp file viewer. It is also one of the reliable STEP File Viewer Software out there. STEP files can be exported as BREP, BRP, BMS, DAE, SVG, SVGZ, OBJ, DWG, DXF, DXF, UNV, DAT, MED, INP, IGES, IGS, GCODE, TAP, etc.


gCAD3D can also be used to edit STEP files. The different views available are top, side, front, axo, and scal.fix. You can choose to display shades, 3D view and select the option to hide and view certain elements.


Here STEP files can be viewed with or without measurement according to your needs. It also allows you view STEP files in either CAD, VWR or MAN form. You can also export STEP files asDXF, CAD, STEP, SVG, IGES, VRML, STL, JPG, OBJ, and TESS.

AutoDesk 123D Design

AutoDesk 123D Design is a simple software that can be used to view STEP files. It is one of the ideal STEP File Viewer Software in the market. It can be in use to perform some minor edits to STEP files.

There are some stp file viewer tools that you can be in use to pan, zoom, move, resize, scale, rotate, align, orbit, fit, and set visibility options for STEP files. You can also insert some shapes into your 3D model and make some small sketches.


Some construction parameters which are available for you can be in use to apply extrude, sweep, revolve, and loft options. The modification options available to use are press pull, tweak, fillet, split solid, etc. Some other options include snap, patterns, combine, grouping, measure and add text according to your needs.

You can export STEP files both as 3D and 2D using this stp viewer software. The 2D formats available for export are SVG, DXF and DWG. In case you want to output the file as 3D you can export them as X3D, STL, SAT, DWG, DXF, SREP, and VRML.

Geomagic Verify Viewers

Geomagic Verify Viewers is a highly useful free software which you can use. You will be able to rotate, zoom or flip your files. You can turn on or off visibility can for different elements.

Different options are available which let you change the viewpoint, choose body display mode and mesh display mode, etc. In the change viewpoint option, you can view the STEP files in various views, like top, bottom, left, right view, etc.


You can use mesh display mode to display the lines that make the STEP files. Some options are available that let you view it in point set, shaded, shaded with edges, region mode, etc.

You can set body display mode to display STEP files as hidden line, shaded, shaded with edges and wireframe. Viewprint option allows you to view the front, right, top, back, left, bottom and isomeric forms of images. You can also add colors to your STEP file as required. You can save the STEP file as XOV file.

GOM Inspect

GOM Inspect is a software that can be used as a STEP file viewer. You can specify the options such as triangulation, structure repair mode, filters, coordinate system, etc.

You can also use it to make some edits to STEP files, and you can also create a new project from scratch. Moreover, different options of this stp viewer available let you rotate, move, pan, and zoom STEP files. You can view the data in a conventional view, ISO standard view, perspective, element, change view label, etc.


Several construction options are also available that let you construct point, line, plane, circle, cylinder, cone, sphere, curved surface, any unique shape, slotted hole, rectangle, polygon, section, curve, surface, any unique shape, point cloud, etc. You can also export the STEP files as G3D, PNG, STL, ASCII, POL, PLY, PDF, JT-Open, CSV, VDA/PSET, IGES, etc.

Final Thoughts

All in All, this list of STEP File Viewer Software has simplified the choices for you and helped you.

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You can always find me playing the piano or playing FIFA when I'm not binge-watching TV Series with pizzas. Fountainhead of TechWhoop. Life motto: The only time success comes before work is in the dictionary.