Category

Action

Windows Shortcut

Mac Shortcut

General Navigation

Zoom In

Ctrl + +

Cmd +

Zoom Out

Ctrl + -

Cmd -

Fit to Screen

Ctrl + 0

Cmd + 0

Zoom to 100%

Ctrl + 1

Cmd + 1

Hand Tool (Pan)

Spacebar + Drag

Spacebar + Drag

Undo (Single Step)

Ctrl + Z

Cmd + Z

Undo (Multiple Steps)

Ctrl + Alt + Z

Cmd + Opt + Z

Redo (Multiple Steps)

Ctrl + Shift + Z

Cmd + Shift + Z

Switch Foreground/Background

X

X

Default Colors (Black/White)

D

D

Hide/Show Panels

Tab

Tab

Hide/Show All Except Tools

Shift + Tab

Shift + Tab

Selection Tools

Marquee Tool

M

M

Lasso Tool

L

L

Quick Selection Tool

W

W

Magic Wand Tool

W (toggle with Quick)

W (toggle with Quick)

Polygonal Lasso Tool

L (cycle with Lasso)

L (cycle with Lasso)

Magnetic Lasso Tool

L (cycle with Lasso)

L (cycle with Lasso)

Object Selection Tool

W (cycle with Quick)

W (cycle with Quick)

Deselect

Ctrl + D

Cmd + D

Reselect

Shift + Ctrl + D

Shift + Cmd + D

Inverse Selection

Shift + Ctrl + I

Shift + Cmd + I

Feather Selection

Shift + F6

Shift + F6

Select All

Ctrl + A

Cmd + A

Refine Edge (Select & Mask)

Ctrl + Alt + R

Cmd + Opt + R

Layer Management

New Layer

Ctrl + Shift + N

Cmd + Shift + N

Duplicate Layer

Ctrl + J

Cmd + J

Merge Layers

Ctrl + E

Cmd + E

Merge Visible

Ctrl + Shift + E

Cmd + Shift + E

Flatten Image

Ctrl + Shift + Alt + E

Cmd + Shift + Opt + E

Select Next Layer

Alt + ]

Opt + ]

Select Previous Layer

Alt + [

Opt + [

Select Top Layer

Alt + .

Opt + .

Select Bottom Layer

Alt + ,

Opt + ,

Group Layers

Ctrl + G

Cmd + G

Ungroup Layers

Ctrl + + Shift + + G

Cmd + Shift + + G

Lock/Unlock Layer

Ctrl + + /

Cmd + /

Layer Opacity (10%-100%)

1 to 0

1 to 0

Show/Hide Layer

Click eye icon or Ctrl + ,

Click eye icon or

Cmd + ,

Editing & Tools

Brush Tool

B

B

Pencil Tool

B (cycle with Brush)

B (cycle with Brush)

Eraser Tool

E

E

Background Eraser Tool

E (cycle with Eraser)

E (cycle with Eraser)

Crop Tool

C

C

Move Tool

V

V

Free Transform

Ctrl + T

Cmd + T

Transform Again

Ctrl + Shift + T

Cmd + Shift + T

Increase Brush Size

]

]

Decrease Brush Size

[

[

Increase Brush Hardness

}

}

Decrease Brush Hardness

{

{

Fill (Foreground Color)

Alt + Backspace

Opt + Delete

Fill (Background Color)

Ctrl + + Backspace

Cmd + Delete

Clone Stamp Tool

S

S

Healing Brush Tool

J

J

Spot Healing Brush Tool

J (cycle with Healing)

J (cycle with Healing)

Patch Tool

J (cycle with Healing)

J (cycle with Healing)

Blur Tool

R

R

Sharpen Tool

R (cycle with Blur)

R (cycle with Blur)

Smudge Tool

R (cycle with Blur)

R (cycle with Blur)

Dodge Tool

O

O

Burn Tool

O (cycle with Dodge)

O (cycle with Dodge)

Sponge Tool

O (cycle with Dodge)

O (cycle with Dodge)

Gradient Tool

G

G

Paint Bucket Tool

G (cycle with Gradient)

G (cycle with Gradient)

Type Tool

T

T

Pen Tool

P

P

Path Selection Tool

A

A

Direct Selection Tool

A (cycle with Path)

A (cycle with Path)

Rectangle Tool

U

U

Ellipse Tool

U (cycle with Rectangle)

U (cycle with Rectangle)

Eyedropper Tool

I

I

Ruler Tool

I (cycle with Eyedropper)

I (cycle with Eyedropper)

Adjustments

Levels

Ctrl + + L

Cmd + L

Curves

Ctrl + + M

Cmd + M

Hue/Saturation

Ctrl + + U

Cmd + U

Color Balance

Ctrl + B

Cmd + B

Black & White

Ctrl + Alt Shift + B

Cmd + Opt + Shift + B

Invert

Ctrl + I

Cmd + I

Desaturate

Ctrl + Shift + U

Cmd + Shift + U

Brightness/Contrast

Ctrl + Shift + L (Auto)

Cmd Shift + L (Auto)

Image Size

Ctrl + Alt I

Cmd + Opt + I

Canvas Size

Ctrl + Alt C

Cmd + Opt + C

Miscellaneous

Save

Ctrl + S

Cmd + S

Save As

Ctrl + Shift + S

Cmd + Shift + S

Save for Web

Ctrl + Shift + Alt S

Cmd Shift + Opt + S

Open

Ctrl + O

Cmd = O

New Document

Ctrl + N

Cmd + N

Close

Ctrl + W or Ctrl + F4

Cmd + W

Hide/Show Rulers

Ctrl + R

Cmd + R

Hide/Show Guides

Ctrl + ;

Cmd + ;

Lock Guides

Ctrl + Alt + ;

Cmd + Opt + ;

Hide/Show Grid

Ctrl + '

Cmd + '

Snap To

Ctrl + Shift + ;

Cmd + Shift + ;

Cycle Screen Modes

F

F

Full Screen Mode

Ctrl + Shift + F

Cmd + Shift + F

Step Forward (History)

Ctrl + Shift + Z

Cmd + Shift + Z

Step Backward (History)

Ctrl + Alt Z

Cmd + Opt + Z

Toggle Quick Mask Mode

Q

Q

Toggle Brush Opacity (10%-100%)

1 to 0

1 to 0

Toggle Brush Flow (10%-100%)

Shift + 1 to 0

Shift + 1 to 0

Notes:

  • Cycling Tools: Some shortcuts (e.g., B, E, J) toggle between related tools in the same group. Use Shift + + [Letter] to cycle through them explicitly (e.g., Shift + B for Brush/Pencil).

  • Customization: These are default shortcuts; you can customize them via Edit > Keyboard Shortcuts in Photoshop.

  • Context-Sensitive: Some shortcuts (e.g., opacity 1-0) only work when specific tools are active (like Brush).

For Layer Opacity

  • When no painting tool (like the Brush) is active, pressing 1 through 0 sets the opacity of the selected layer:

    • 1 = 10% opacity

    • 2 = 20% opacity

    • 3 = 30% opacity

    • ...and so on, up to 9 = 90% opacity

    • 0 = 100% opacity

  • You can also press two numbers quickly (e.g., 2 then 5) to set a precise value like 25% opacity.

For Brush Opacity or Flow

  • When a painting tool like the Brush Tool (B) is active:

    • 1 to 0 adjusts the brush opacity:

      • 1 = 10% opacity

      • 5 = 50% opacity

      • 0 = 100% opacity

    • If you hold Shift and press 1 to 0, it adjusts the brush flow instead:

      • Shift + 1 = 10% flow

      • Shift + 5 = 50% flow

      • Shift + 0 = 100% flow

  • Similar to layer opacity, pressing two numbers in quick succession (e.g., 7 then 5) sets the brush opacity to 75%.

Context Matters

  • The behavior of 1 to 0 depends on what you’re doing:

    • If a layer is selected and no painting tool is active, it controls layer opacity.

    • If a painting tool is active, it controls brush opacity (or flow with Shift).

  • This is why it’s listed under "Layer Management" (Layer Opacity (10%-100%)) and "Miscellaneous" (Toggle Brush Opacity (10%-100%) and Toggle Brush Flow (10%-100%)) in the table.

Example

  • Select a layer, press 3 → the layer’s opacity becomes 30%.

  • Select the Brush Tool, press 7 → the brush opacity becomes 70%.

  • With the Brush Tool active, press Shift + 4 → the brush flow becomes 40%.

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