On Saturday August 26 2017 13:46:32 René J.V. Bertin wrote: >Nope. No such tools exist, at least not on Mac but I don't think on MS Windows either. >Mac OS does have hidden support for changing the desktop fonts (through Onyx or Tinkertool) but Qt doesn't read those settings as far as I know (and can tell from the source). I meant for Qt5, evidently. R.