Change Firefox file manager

How do i change Firefox default file manager? When i download or upload file in Firefox it uses Nautilus as the file manager, i want Firefox to use Dolphin.

That’s not Nautilus, that’s the Gtk File Chooser Dialog. You shouldn’t be seeing that on KDE. Do you have kdialog and xdg-desktop-portal-kde installed? It’s possible you accidently chose xdg-desktop-portal-gtk during a recent update.

Install xdg-desktop-portal-kde, add the line… :arrow_down:


… to /etc/profile.d/, and then log out and log back in.


I have KDE installed not GTK

Worked like a charm thanks.

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Now Firefox says it’s not set as default browser despite it being my default browser, clicking to set as default does nothing

KDE and GNOME are Desktop Environments. KDE uses the Qt framework and GNOME uses the GTK framework. You do indeed have Gtk (gtk3) installed as some apps like that file chooser dialog and Add / Remove Software (pamac-gtk) use it. :wink:

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