photoshop short keys

Panels
Show/Hide Brushes panel	F5
Show/Hide Color panel	F6
Show/Hide Layers panel	F7
Show/Hide Info panel	F8
Show/Hide Actions panel	Alt–F9
Open Adobe Bridge	Ctrl–Alt–O
Miscellaneous Good Stuff
Switch between open documents	Ctrl–Tab
Undo or Redo operations beyond last one	Ctrl–Alt–Z/Ctrl–Shift–Z
Reapply last filter used	Ctrl–F
Reapply last filter used, but display dialog box to alter settings	Ctrl–Alt–F
Temporarily switch to Hand tool	Spacebar
Reset dialog box	Hold Alt, Cancel turns into Reset button, click it
Increase/Decrease value (in any option field) by 1 unit	Up/Down Arrow
Increase/Decrease value (in any option field) by 10 units	Shift–Up/Down Arrow
Reapply last transformation	Ctrl–Shift–T
Measure angle between lines (Protractor function)	After ruler is drawn, Alt–drag end of line with Ruler tool
Move Crop/Selection marquee while creating	Hold Spacebar while drawing
Snap Guide to Ruler ticks	Hold Shift while dragging
Highlight fields in Options bar (n/a for all tools)	Enter
Don't snap object edge while moving	Hold Control while dragging

Tools
V	Move and Artboard tools
M	Marquee tools
L	Lasso tools
W	Quick Selection, Magic Wand
C	Crop and Slice Tools
I	Eyedropper, 3D Material Eyedropper, Color Sampler, Ruler, Note, Count
J	Spot Healing Brush, Healing Brush, Patch, Content-Aware Move, Red Eye
B	Brush, Pencil, Color Replacement, Mixer Brush
S	Clone Stamp, Pattern Stamp
Y	History Brush, Art History Brush
E	Eraser tools
G	Gradient, Paint Bucket, 3D Material Drop
O	Dodge, Burn, Sponge
P	Pen tools
T	Type tools
A	Path Selection, Direct Selection
U	Rectangle, Rounded Rectangle, Ellipse, Polygon, Line, Custom Shape
H	Hand
R	Rotate View
Z	Zoom
D	Default colors
X	Switch Foreground and Background colors
Q	Quick Mask Mode
To switch between all tools within groups, add the Shift key to the letters above
For example, to switch between Rectangular and Elliptical marquee hit Shift–M

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