● Zoom Tool – Hit the letter “Z”
● Zoom Out – Hold the Alt/Option key
● Fit to Screen – Command/Ctrl + 0
● Hand Tool – Move around the image while zoomed in – Hold the spacebar
● Rotate Your Image – Hit the letter “R” on your keyboard, then click and drag your mouse
● Rulers – Command/Ctrl + R
● Create Guides – Click and drag from the rulers while they are visible
● Hide/Show Guides – Command/Ctrl + H
● Undo – Command/Ctrl + Z
● Multiple Undos – Command/Ctrl + Alt/Opt + Z
● Copy – Command/Ctrl + C
● Paste – Command/Ctrl + P
● Cut – Command/Ctrl +X
● Gradient Tool – Hit the letter “G” on your keyboard
● Gradient Tool with straight gradient – While the gradient tool is selected, hold “Shift” then click and drag
● Crop Tool – Hit the letter “C” on your keyboard
● Brush – Hit the letter “B” on your keyboard
● Make brush tool bigger – Hit the ] (right bracket key)
● Make brush tool smaller – Hit the [ (left bracket key)
● Brush Resize – Right Click + Alt + Drag left or right
● Brush Softness – Right Click + Alt + Drag up or down
● Sample colors while using the brush tool – Hold the Option/Alt key to temporarily switch to eye dropper tool
● Eyedropper Tool – Hit the letter “I” on your keyboard
● Toggle Foreground/Background Color – Hit the letter “X”
● Magic Wand Tool – Hit the letter “W”
● Add to Selection – Hold Shift key while using a selection tool
● Marquee Selection Tool – Hit the letter “M”
● Deselect – Command/Ctrl + D
● Lasso Tool – Hit the letter “L”
● Pen Tool – Hit the letter “P”
● Load Pen Path Selection – Once you have a closed path, hit Command/Ctrl + Enter to load the selection
● Healing Brush Tool – Hit the letter “J”
● Healing Brush sample point – Hold Option/Alt, then click to choose a sample point
● Clone Stamp Tool – Hit the letter “S”
● Clone Stamp Tool sample point – Hold Option/Alt, then click to choose a sample point
● Free Transform – Command/Ctrl + T
● Scale Proportionately – Hold the “Shift” key when you’re in the free transform mode
● Scale from the center point of the image – Hold Shift + Option/Alt