Compare software

F3D vs Online 3D Viewer: catalog facts
F3D	Online 3D Viewer
Free Free and open source.	Free Free and open source.
Web	Web
Opens many 3D and CAD formats in one viewer Gaussian splatting and volume rendering support	Opens many 3D and CAD formats, including STEP, IFC and FBX Runs in the browser with no install
A viewer, not an editor Minimal interface with few editing features	A viewer only, not a modeling tool
Downloadable app, Web application	Web application
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.