Convert nff to x3d

What is the difference between .nff and .x3d?

Description: NFF (Haines Neutral File Format) is a file format used to store 3D models. It is a text-based format that contains all the information needed to describe a 3D model, including the mesh, surface properties, and camera data. It is used in CAD and 3D graphics applications.; X3D (Extensible 3D) is a royalty-free open standard file format used to represent 3D computer graphics. It is used to store and interchange 3D model data, including surface geometry, color, animation, and metadata. X3D files are built on the XML standard, and can be viewed and edited with a variety of 3D modeling programs.