If you don’t see a dark theme here, don't worry. It likely means your version relies on your operating system's settings, or you need to apply one of the third-party tweaks below.

FileZilla Dark Theme Update: How to Enable Dark Mode Across All Operating Systems

: FileZilla's developer has historically maintained that the app is a "proper desktop program" that follows the colors defined by Windows. Because it is a Win32 application, it does not automatically switch with the standard Windows 10/11 "Dark" personalization setting.

: Dark mode is natively supported . FileZilla typically follows the system settings; if your OS is set to "Dark," FileZilla should automatically switch.

If you've set a dark theme but text is unreadable (e.g., black text on a dark grey background), you can override it at launch.

While you cannot easily change the background to black on Windows, a useful feature to improve the look (or contrast) is changing the : Go to Edit > Settings . Select Interface > Themes in the left sidebar.

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

Since the official client lacks a native toggle, users often employ these methods: