If you're looking to Download SimpleClient on your Chromebook laptop Then read the following guideline.

"SimpleClient for FTP SFTP" is a native, fast FTP, FTPS, SFTP, WebDAV, Dropbox and Google Drive client with many features and an intuitive graphical user interface. (* Number of showing files/folders in each tab is limited, you could upgrade to Standard-Version to remove this limitation. *) Application's Functions: - Multi-connection-views in the same window + press TAB to switch between views + CMD-T to add new view + CMD-W to close current view - Support multi-languages: English, Deutsch, Français, 日本語, 한국어, Español, Português, Čeština, Dansk, Suomi, Italiano, Nederlands, Norsk, Polski, Русский, Svenska, ไทย, Türkçe, Tiếng Việt, 中文（中国）, 中文（台灣） - With file view modes: Icons, Detail List - Supports WebDAV, FTP, FTP over SSL/TLS (FTPS), SSH File Transfer Protocol (SFTP), Dropbox and Google Drive - Include Connection History to store multi server connection accounts - Bookmarks - Upload/download/duplicate selected files, folders - Drag & drop support between view or OS's Finder - Batch rename multi files, folders (with Undo function) - Zip select files, folders to local - File/Folder name filters - Synchronize / merge /compare folders from server or local - Remote file editing - Remote file search base on name, type(extension), size, date, permission... - Touch files, folders - Copy files, folders URLs, path or folder's tree to clipboard