The core issue is FileZilla's reliance on , a cross-platform graphical toolkit.
It wasn't a harsh flare of white. It was a gentle, matte charcoal. The connection details at the top sat in a deep slate box. The file directory trees were muted grays, the icons subtle and easy on the eyes. Most importantly, the message log at the top—the chaotic stream of status lines—was now white text on a black background.
FileZilla Pro and newer client versions automatically follow your macOS system-wide dark mode . filezilla dark theme upd
FileZilla’s newer versions have integrated dark mode support that follows your system settings. If your Mac is set to a system-wide dark theme, FileZilla will automatically switch to a dark interface as well.
: Developers have pointed to upcoming wxWidgets releases (specifically version 3.4.0 , expected in late 2026) as the likely vehicle for finally bringing modern dark mode support to the Windows client. Current Implementation by Platform The core issue is FileZilla's reliance on ,
The core of the issue isn't just a lack of interest, but how FileZilla is built: The UI Library: FileZilla uses
Because Windows handles desktop application colors conservatively, you cannot turn FileZilla dark by just choosing a "Dark" personalization layout. Instead, use the following methods to force the app to match your desired aesthetic. The connection details at the top sat in a deep slate box
The project lead (botg) has long maintained that theming is the responsibility of the operating system, not the application. The stance is: if you want FileZilla to be dark, you should set your OS theme to dark, and the app will follow. FileZilla Forums