What OBJ variants are supported?

Standard Wavefront OBJ geometry. MTL material files embedded in the same drag aren't loaded (multi-file drop isn't supported in this release), but the geometry always renders with a default shaded material.

Will my file leave the browser?

No. Parsing and rendering happen in your browser tab. Nothing is uploaded to a server.

Can I open STL, PLY, GLB, or 3MF files here too?

Yes — drop any of those and the viewer auto-detects the format. Separate landing pages exist for each format at /tools/open-tools/stl-viewer etc.

What about very large OBJ files?

OBJ files up to 100 MB load fine in modern browsers. Very dense models (multi-million triangles) may cause a brief pause during parsing — this is a JavaScript parsing limitation, not a server limit.

Why are some textures missing?

This release renders geometry only; external texture images referenced by the .mtl file are not fetched. Drop a GLB for textured models — GLB embeds textures in a single file.

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Camera icon saves the current view. Pick up to 4K resolution for slide decks or asset previews.

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