picom-trans

Set window transparency

$ picom-trans -w [window_id] [75]

$ picom-trans -c [75]

$ picom-trans -n [firefox] [90]

$ picom-trans -w [window_id] -d

$ picom-trans -c -t

$ picom-trans -c [50]

picom-trans [-w id] [-n name] [-c] [-t] [-d] opacity

picom-trans sets window transparency for the picom compositor. It adjusts individual window opacity.
Window selection by click enables interactive use. Click any window to modify its transparency.
Opacity values range from 0 (invisible) to 100 (opaque). Values like 75 give subtle transparency.
Toggle mode switches between transparent and opaque. Useful for temporary visibility changes.
Resets remove custom transparency. Windows return to default compositor settings.

-w ID

Window ID.

Window name/class.

Click to select window.

Toggle transparency.

Delete/reset transparency.

Set opacity (0-100).

Select focused window.

Requires picom compositor running. Some windows may not support transparency. GPU compositing needed.

picom-trans is part of picom, a compositor forked from compton. It provides command-line control over window transparency for X11 desktops.

picom(1), xdotool(1), xwininfo(1)