The ability to has changed significantly in recent years. Beginning with Firefox 90 (released July 2021), Mozilla officially removed built-in support for the File Transfer Protocol (FTP) due to security risks and the prevalence of modern, encrypted alternatives like HTTPS .
: A free, open-source standard for Windows, macOS, and Linux. WinSCP : A popular, lightweight client for Windows users. Cyberduck : A user-friendly option for both Mac and Windows. download ftp with firefox
If you prefer to stay within the Firefox interface, you can install an extension that re-adds download capabilities for various protocols. Stopping FTP support in Firefox 90 - Mozilla Security Blog The ability to has changed significantly in recent years