Photoshop keyboard shortcuts

New Ctrl+n
Open Ctrl+o
Close Ctrl+w
Save Ctrl+s
Save as Shift+Ctrl+s
Revert F12
Print Ctrl+p
Exit Ctrl+q

Edit
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Undo/Redo (1 level) Ctrl+z
Cut Ctrl+x
Copy Ctrl+c
Paste Ctrl+v
Paste Into Shift+Ctrl+v
Fill with FG color Alt+Backspace
Fill with BG color Control+Backspace

Image/Colors
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Levels Ctrl+l
Auto Contrast Shift+Ctrl+Alt+l
Curves Ctrl+m Curves
Color Balance Ctrl+b
Hue/Saturation Ctrl+u
Desaturate Shift+Ctrl+u
Invert Ctrl+i Invert
Default Colors d
Switch Colors x

Layer
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New Layer Shift+Ctrl+n
Layer via Copy Ctrl+j
Bring (layer) to Front Shift+Ctrl+]
Send (layer) to Back Shift+Ctrl+[
Bring (layer) Forward Ctrl+]
Send (layer) Backward Ctrl+[
Select Top Layer Shift+Alt+]
Select Bottom Layer Shift+Alt+[
Select One Layer Forward Alt+]
Select One Layer Backward Alt+[
Merge Down Ctrl+e
Merge Visible Shift+Ctrl+e
Preserve Transparency /
Cycle Modes Forwards Shift+=
Cycle Modes Backwards Shift+-

Select
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Select All Ctrl+a
Deselect Ctrl+d
Inverse Shift+Ctrl+i
Feather Ctrl+Alt+d

View
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Zoom In Ctrl+=
Zoom Out Ctrl+-
Fit on Screen Ctrl+0
Actual Pixels Ctrl+Alt+0
Show/Hide Extras Ctrl+h
Show/Hide Guides Ctrl+'
Show/Hide Grid Ctrl+Alt+'
Show/Hide Rulers Ctrl+r
Snap Ctrl+;
Scroll View Up Page Up
Scroll View Down Page Down
Scroll View Left Ctrl+Page Up
Scroll View Right Ctrl+Page Down

Window/Dialogs
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Color Tab F6
Layers Tab F7
Info Tab F8

Tools
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Rectangular Marquee Tool m
Elliptical Marquee Tool Shift+m
Move Tool v
Lasso Tool l
Magic Wand Tool w
Crop Tool c
Airbrush Tool j
Paintbrush Tool b
Clone Stamp Tool s
Eraser Tool e
Gradient Tool g
Paint Bucket Tool Shift+g
Blur Tool r
Dodge Tool o
Type Tool t
Pen Tool p
Eye Dropper Tool i
Zoom Tool z
Previous Brush ,
Next Brush .
First Brush Shift+<
Last Brush Shift+>
Decrease Brush Size [
Increase Brush Size ]
Decrease Brush Hardness {
Increase Brush Hardness }

Help
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Help F1 Help
Context Help Shift+F1

Misc.
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Last Filter Ctrl+f
Preferences Ctrl+k
Liquify Shift+Ctrl+x

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Accessibility is the Key
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f1 - Toggles Adobe Online Help
f5 - Toggles Brush style palette
f6 - Toggles Colour, Swatches, Styles palette
f7 - Toggles Layers, Channels, Paths palette
f8 - Toggles Navigator, Info palette
f9 - Toggles Actions, History, Presets palette
Tab (Key) - Toggles all the palettes on screen
Shift + Tab (Key) - Toggles palettes on screen, excluding the Toolbar.

Tool Bar Short Cuts
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R (Key) - Blur Tool
E (Key) - Eraser Tool
T (Key) - Horizontal Type Tool
Y (Key) - History Brush Tool
U (Key) - Line Tool
I (Key) - Measure Tool
O (Key) - Sponge Tool
P (Key) - Pen Tool
A (Key) - Direct Select Tool
W (Key) - Magic Wand Tool
S (Key) - Clone Stamp Tool
G (Key) - Gradient Stamp Tool
H (Key) - Hand Tool
J (Key) - Healing Stamp Tool
K (Key) - Slice Stamp Tool
L (Key) - Polygonal Lasso Tool
Z (Key) - Zoom Stamp Tool
C (Key) - Crop Stamp Tool
V (Key) - Move Tool
B (Key) - Brush Tool
N (Key) - Notes Tool
M (Key) - Rectangular Marquee Tool

Out of Ctrl ShortCuts
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Ctrl + N - New Document Dialogue Box
Ctrl + M - Curves Dialogue Box
Ctrl + A - Selects all in the currently foreground document or currently selected layer
Ctrl + D - Deselects all in the currently foreground document or currently selected layer
Ctrl + J - Automatically creates a duplicate of the currently selected layer
Ctrl + K - Preferences Dialogue Box
Ctrl + L - Levels Dialogue Box
Ctrl + F4 - Closes current document
Ctrl + ' (Single Quote Key) - Toggles Grid Lines
Ctrl + Q - Quits Photoshop altogether
Ctrl + R - Toggles Rulers
Ctrl + U - Hue/Saturation Dialogue Box
Ctrl + O - Opens New File
Ctrl + P - Print Dialogue Box
Ctrl + Z - Undo last Action
Ctrl + Tab - Toggle between open documents
Ctrl + Shift + C - Copy Merged
Ctrl + C - Copy
Ctrl + H - Toggle Extras
Ctrl + ; - Toggle Guides
Ctrl + Shift + ; - Toggle Snap
Ctrl + X - Cut
Ctrl + Alt + Shift + X - Pattern Maker
Ctrl + V - Paste
Ctrl + Shift + V - Paste into selection
Ctrl + Alt + Shift + V - Paste Outside
Ctrl + T - Transform Tool
Ctrl + Shift + T - Repeats the last performed Transform
Shift + F5 / Shift + Backspace (Key) - Fill Layer Dialogue Box

Combination Number 9 Shortcuts - Ctrl + Shift / Alt
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Ctrl + Shift + O - Photoshop's File Browser
Ctrl + Shift + P - Page Setup Dialogue Box
Ctrl + Shift + S - Save As Dialogue Box
Ctrl + Shift + K - Color Setting Preferences Box
Ctrl + Shift + F - Fade Dialogue Box
Ctrl + Shift + X - Liquify Filter Tool
Ctrl + Shift + N - Create New Layer Preferences Box
Ctrl + Shift + M - Launches ImageReady
Ctrl + Shift + E - Merges all layers into a single layer
Ctrl + Alt + Z - Step Backward
Ctrl + Shift + - (Minus Sign Key) - Zoom Out
Ctrl + Shift + + (Plus Sign Key) - Zoom In
Ctrl + Shift + Alt + N - Creates a new empty layer
Ctrl + Shift + Alt + S - Save For The Web Dialogue
Ctrl + Alt (in most Dialogue Boxes) - Changes the 'Cancel' command to 'Reset'
Ctrl + Alt (in the 'Save For Web Dialogue') - Changes the 'Cancel' command to 'Reset' & the 'Done' command to 'Remember'
Ctrl + Alt + ~(Tild Symbol) - Selects the brightest area of the currently selected layer
Ctrl + Shift + I - Inverts a selection
Ctrl + Alt + X - Extract
Shift + -/+ signs(on a layer) - Toggles the different layer modes
Shift + Ctrl + Z - Step Forward