Compare software

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

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