zoom stuff

• alt + scroll
• fit image to screen = ctrl + 0
• zoom to 100% = ctrl + 1
• pan = space + click and drag

brush sizes

• alt + right-click + drag
• pressing numbers = opacity change

layers

• see what only one layer is doing = alt + eyeball next to layer
• select all of layer = ctrl + layer
• select multiple layers = Click on one layer, hold Shift, click on the layer at the opposite end of the stack
• duplicate any layer = ctrl + j
• new layer via cut = shift + ctrl + j

undo/redo

• undo = ctrl + z
• redo = ctrl + shift + z

select

• select all = ctrl + a
• free transform = ctrl + t
• deselect = ctrl + d

lines

• straight line = hold down Shift before and during the stroke
• a straight line between 2 points = Click once, hold down Shift, click at the ending point

colors

• x = swap colors
• d = default

tabs

• cycle through open documents = ctrl + tab

guides

• show/hide = ctrl + ;