X11 configuration
Xresources
HiDPI
Increase the DPI.
From:
*.dpi: 192 Xft.dpi: 192 Xft.antialias: true Xft.hinting: true Xft.rgba: rgb Xft.autohint: false ! Xft.hintstyle: hintslight Xft.hintstyle: hintfull Xft.lcdfilter: lcddefault
Other possible sources: