Managing your website without an FTP client is nearly impossible. We recommend that you use FireFTP, a Mozilla Firefox extension. FireFTP is an excellent Mozilla Firefox extension. You can transfer your Joomla files quickly from your computer to the server.
It comes with advanced features including directory comparison and syncing directories SFTP, SSL encryption, search/filtering, integrity checks, remote editing, drag & drop, file hashing, and much more! It is also a very useful tool to change the permissions of files and directories.
You can find FireFTP in the extensions repository of Firefox Mozilla.