Adobe Photoshop CS4 Keys for selecting tools keyboard shortcuts keys

Shortcut                        Command
	Note: In rows with multiple tools listed, use the same shortcut to toggle through the different tools (they are grouped by shortcuts just as they are grouped in the Tools panel).
Shft-press shortcut key	Cycle through tools with the same shortcut key (if Use Shift Key for Tool Switch preference is selected)
Optn-click + tool	Cycle through hidden tools (except add anchor point, delete anchor point, and convert point tools)
V	Move tool
M	Rectangular Marquee tool*, Elliptical Marquee tool
L	Lasso tool,Polygonal Lasso tool, Magnetic Lasso tool
W	Magic Wand tool, Quick Selection tool
C	Crop tool, Slice tool, Slice Select tool
I	Eyedropper tool*, Color Sampler tool, Ruler tool, Note tool, Count tool*
J	Spot Healing Brush tool, Healing Brush tool, Patch tool, Red Eye tool
B	Brush tool, Pencil tool, Color Replacement tool
S	Clone Stamp tool, Pattern Stamp tool
Y	History Brush tool, Art History Brush tool
E	Eraser tool*, Background Eraser tool, Magic Eraser tool
G	Gradient tool, Paint Bucket tool
O	Dodge tool, Burn tool, Sponge tool
P	Pen tool,Freeform Pen tool
T	Horizontal Type tool ,Vertical Type tool, Horizontal Type mask tool, Vertical Type mask tool
A	Path Selection tool, Direct Selection tool
U	Rectangle tool, Rounded Rectangle tool, Ellipse tool, Polygon tool, Line tool, Custom Shape tool
K	3D Rotate tool, 3D Roll tool, 3D Pan tool, 3D Slide tool, 3D Scale tool
N	3D Orbit tool, 3D Roll View too, 3D Pan View tool, 3D Walk View tool, 3D Zoom tool
H	Hand tool*
R	Rotate View tool
Z	Zoom tool*
	** Use same shortcut keys for Extract, Liquify, and Pattern Maker
	*Photoshop Extended only