Sims 4 Online Studio CAS Viewer

Preview Sims 4 Create-A-Sim (CAS) custom content directly in your browser. This no-download 3D engine accurately renders .simgeom meshes and simultaneously applies Diffuse, Normal, Specular, and Bump maps. Check vertex weights and texture alignments for your CC hair, clothes, and accessories instantly.

Entirely on device

Preparing the online tool…

FAQ

Which CAS content can the online viewer open?

It is designed for compatible Sims 4 CAS .package files containing supported hair, clothing, accessory, texture, and .simgeom resources.

Which texture maps can I preview?

The 3D viewer can apply supported Diffuse, Normal, Specular, and Bump information while displaying the selected CAS mesh.

Do I need to launch The Sims 4 or install Sims 4 Studio?

No. Compatible CAS content is parsed and rendered directly in a modern browser.

Are CAS packages sent to SimsModly?

No. Package parsing, texture preparation, and 3D rendering occur locally on your device.