Convert figma to sk2

What is the difference between .fig and .sk2?

Description: The fig file type is a vector graphics format used by the Figma design platform. It is used to store graphics, user interface layouts, and other design elements created in the Figma platform. The files are used for collaboration between designers, developers, and other stakeholders.; The sk2 file type is a vector graphic format created by the sK1 open source vector graphics editor. It is an extension of the sk1 format and is used to store vector graphics and images. The sk2 file format supports layers, masking, transparency, and other advanced features.