The text size on Ubuntu is very small and I cannot see how to change it

screen settings

You have to enable fractional scaling. Open your terminal and run one of the following command.

If you use Xorg (should be the default):

gsettings set org.gnome.mutter experimental-features "['x11-randr-fractional-scaling']"

If you use Wayland

gsettings set org.gnome.mutter experimental-features "['scale-monitor-framebuffer']"

Once set, you can open Settings > Devices > Screen Display to access additional fractional scaling values, including 125% and 150%.

Source : https://www.omgubuntu.co.uk/2019/06/enable-fractional-scaling-ubuntu-19-04


In 18.04 go to Settings→Universal Access and set options there such as (for example) set Large Text to ON and Screen Reader to ON.

It is also possible to use Enter Reader View in Firefox by CtrlAltR which I find extremely useful when reading web pages (being visually challenged myself).

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