The current state of FileZilla's dark mode support depends heavily on your operating system, as the software generally lacks a built-in "Dark Mode" toggle for its overall interface FileZilla Forums Dark Mode Status by Operating System
Currently, FileZilla takes its visual cues from your operating system. filezilla dark theme better
FileZilla typically follows the system's appearance settings (Light/Dark) automatically. FileZilla Forums 3. Is It Actually "Better"? (The Critique) The current state of FileZilla's dark mode support
While the OS controls the window colors, you can change the icons yourself to match a darker aesthetic. PapirusDevelopmentTeam/papirus-filezilla-themes - GitHub filezilla dark theme better