below are the lists of default hotkeys. to use custom key bindings, refer to the respective config references:
tab - search autocomplete
esc - exit autocomplete
f6 - focus search input
pageup - previous image
pagedown - next image
ctrl + q - quit
ctrl + r - refresh
ctrl + s - save current image
ctrl + f - add current tag to favorites
ctrl + o - open in external viewer
ctrl + m - toggle zoom mode
ctrl + b - toggle image bar
ctrl + left - decrease image list size
ctrl + right - increase image list size
ctrl + down - decrease image info size
ctrl + up - increase image info size
ctrl + shift + l - set light theme
ctrl + shift + d - set dark theme
ctrl + shift + y - set yuuka theme
ctrl + shift + c - set custom theme
f6 - focus search input
ctrl + q - quit
ctrl + p - play video
ctrl + u - view user videos
ctrl + r - view recommended videos
ctrl + left - decrease list size
ctrl + right - increase list size
ctrl + shift + l - set light theme
ctrl + shift + d - set dark theme
ctrl + shift + y - set yuuka theme
ctrl + shift + c - set custom theme