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

FileDrop allows you to quickly transfer files/directories to another computer via FileDrop/SFTP/FTP. The files/directories are accepted and renamed/stored automatically, without manual confirmation. * FileDrop Lite transfers one file at a time, get the FileDrop full version to transfer multiple files! Supported protocols: • FileDrop: send files/directories to another computer that runs FileDrop. • SFTP: send files/directories to another computer that has enabled the SSH/SFTP service. • FTP/FTPS: send files/directories to an FTP Server via FTP or FTP over SSL. FileDrop also provide a share menu extension and you can send files/directories directly from Finder via the "Share -> FileDrop" menu item. You can enable the FileDrop share menu in "System Preferences -> Extensions -> Share Menu".