General functions:


C: Open options
Ctrl+M : Set/Unset bookmark
Esc : Exit
F : Fullscreen mode on/off
F1 : Show About/Help dialog
H : Show/Hide toolbar
I : Show/Hide information (pages/current time)
M : Show bookmarks
O : Open comic
Ctrl + O : Open folder
T : Show/Hide YACReader Translator

Reading functions:


B : Auto Scroll up
Down : Scroll down
End : Go to last page
G : Open "Go to" dialog
Home : Go to first page
Left : Go to previous page
Mouse drag: Scroll
Right : Go to next page
Space Bar : Auto Scroll down
Up : Scroll up
Wheel mouse up : Scroll up
Wheel mouse down : Scroll down

Image adjust functions:


A : Fit to width / height
D : Double page mode
L : Rotate to the left
R : Rotate to the rigth
W : Show pages at full size

Magnifying glass:


Alt + Wheel mouse up : Decrease horizontal size
Alt + Wheel mouse down : Increase Horizontal size
Ctrl + Wheel mouse up : Decrease vertical size
Ctrl + Wheel mouse down : Increase vertical size
Shift + Wheel mouse up : Zoom out
Shift + Wheel mouse down : Zoom in
Wheel mouse up : Decrease size
Wheel mouse down : Increase size
Z : Show/hide

GoTo Flow functions:


S : Show/hide
Wheel mouse up : Next flow page
Wheel mouse down : Previous flow page
Enter : Go to current page