x3d-viewer is a Chrome add-on designed to facilitate the viewing of x3d files directly in the browser. This free tool allows users to upload multiple x3d files, providing a flexible platform for visualizing 3D models. The viewer displays models on a plane with adjustable dimensions and includes a coordinate system featuring x, y, and z axes for precise positioning.

The application offers several advanced features, including the ability to change the position of models, modify scene settings, and adjust lighting colors. Users can also take snapshots of their models, which are automatically downloaded to their computers. This functionality enhances the viewing experience by allowing for detailed exploration and analysis of 3D designs.