Toolbar Layout and Position

All of these options are on the Toolbar tab of Settings.

Orientation

Horizontal (the default) or Vertical. The buttons are the same either way; on a vertical toolbar the title bar shows just R.

Size

Small (the default) or Large, for bigger buttons that are easier to see and click.

Colour mode

Black & white (the default), Blue, or Colours, where each group of buttons has its own soft background colour.

Position

Static (the default) leaves the toolbar where you put it — top-right of the screen until you drag it somewhere else. Track window makes the toolbar follow the window you’re working in, so it stays close to whatever you’re reading.

Show the floating toolbar

Untick to hide the toolbar. Readable keeps running — see Showing and Hiding the Toolbar.

Readable remembers your layout and where you put the toolbar between sessions.