CrushFTP is a proprietary multi-protocol, multi-platform file transfer server initially created in 1999. CrushFTP is a shareware with a tiered pricing plan. The server primarily targets small and medium businesses. CrushFTP is a Windows FTP server that supports SFTP, FTPS, SCP, and HTTPS. Using the online user interface, CrushFTP can be used for file transfer as well as viewing PDFs, videos, images, and documents. CrushFTP also allows users to preview the content of a specific file by viewing the server’s previews. The server even supports paged browsing to help users quickly navigate directories without loading too much information.