Mayo supports viewing and converting 3D CAD files, including STEP, IGES, STL, and other formats.
Open source
16 alternatives3DViewer
View 3D files in a browser with this free open-source viewer, which supports formats such as STL, OBJ and glTF.
About 3DViewer
View 3D files in a browser with this free open-source viewer, which supports formats such as STL, OBJ and glTF.
3DViewer is a website in our 3D, CAD & Motion collection, part of the Design & Creative directory. It runs in your web browser, so there's nothing to install.
Not quite what you need? Close alternatives include Mayo — compare them below.
3DViewer at a glance
- Website
- 3dviewer.net
- Category
- Design & Creative › 3D, CAD & Motion
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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3DViewer FAQ
What is 3DViewer?
View 3D files in a browser with this free open-source viewer, which supports formats such as STL, OBJ and glTF.
Can I use 3DViewer in my browser?
Yes. 3DViewer works on the web, so you can use it from any modern browser without installing anything.
Is 3DViewer working?
3dviewer.net responded when checked on Oct 5, 2026. Its current availability has not been confirmed.
What are the best alternatives to 3DViewer?
Popular alternatives to 3DViewer include Mayo. We list 1+ options matched by topic, tags and features.
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