| Draw Marquee from Center | Option-Marquee |
| Add to a Selection | Shift |
| Subtract from a Selection | Option |
| Intersection with a Selection | Shift-Option |
| Make Copy of Selection w/Move tool | Option-Drag Selection |
| Make Copy of Selection when not in Move tool | Cmd-Option-Drag Selection |
| Move Selection (in 1-pixel Increments) | Arrow Keys |
| Move Selection (in 10-pixel Increments) | Shift-Arrow Keys |
| Select all Opaque Pixels on Layer | Cmd-Click on Layer Thumbnail (in Layers panel) |
| Restore Last Selection | Cmd-Shift-D |
| Feather Selection | Shift-F6 |
| Move Marquee while drawing selection | Hold Space while drawing marquee |
| Viewing |
| Fit on Screen | Double-click on Hand tool or Cmd-0 |
| 100% View Level (Actual Pixels) | Double-Click on Zoom Tool or Cmd-Option-0 |
| Zoom in | Cmd-Space-Click or Cmd-Plus(+) |
| Zoom out | Option-Space-Click or Cmd-Minus(–) |
| Hide all tools and panels | Tab |
| Hide all panels except Toolbox and Options bar | Shift-Tab |
| Rotate through full screen modes | F |
| Scroll image left or right in window | Cmd-Shift-Page Up/Down |
| Jump/Zoom to part of Image | Cmd-drag in Navigator panel |
| Toggles layer mask on/off as rubylith | \ |
| Layer Shortcuts |
| Create new layer | Cmd-Shift-N |
| Select non-contiguous layers | Cmd-Click layers |
| Select contiguous layers | Click one layer, then Shift-Click another layer |
| Delete Layer | Delete key |
| View contents of layer mask | Option-Click layer mask icon |
| Temporarily turn off layer mask | Shift-Click layer mask icon |
| Clone layer as you move it | Option-Drag |
| Find/Select layer containing object | Control-Click on object w/Move tool |
| Change layer opacity | Number keys (w/Move tool selected) |
| Cycle down or up through blend modes | Shift-Plus(+) or Minus(–) |
| Change to a specific blend mode | (w/Move tool) Shift-Option-letter (ie: N=Normal, M=Multiply. etc.) |
| Switch to layer below/above current layer | Option-[ or Option-] |
| Move layer below/above current layer | Cmd-[ or Cmd-] |
| Type Shortcuts |
| Select all text on layer | Double-Click on T thumbnail in Layers panel |
| Increase/Decrease size of selected text by 2pts | Cmd-Shift->/< |
| Increase/Decrease size of selected text by 10 pts | Cmd-Option-Shift->/< |
| Increase/Decrease kerning/tracking | Option-Right/Left Arrow |
| Align text left/center/right | Cmd-Shift-L/C/R |
| Painting |
| Fill selection with background color | Cmd-Delete |
| Fill selection with foreground color | Option-Delete |
| Fill selection with foreground color using Lock Transparent Pixels | Option-Shift-Delete |
| Fill selection with source state in History panel | Cmd-Option-Delete |
| Display Fill dialog box | Shift-Delete |
| Sample as background color | Option-Click w/Eyedropper tool |
| To get Move tool | While in any painting/editing tool-hold Cmd |
| To get Eyedropper with Paint tools | Option |
| Change paint opacity (with Airbrush OFF) | Number keys |
| Change paint opacity (with Airbrush ON) | Shift-Number keys |
| Change Airbrush flow (with Airbrush ON) | Number keys |
| Change Airbrush flow (with Airbrush OFF) | Shift-Number keys |
| Cross-Hair Cursor | Any painting/editing tool-turn Caps Lock on |
| Decrease/Increase Brush Size | [ or ] |
| Decrease/Increase Hardness of Brush | Shift-[ or Shift-] |
| Switch between preset Brushes | < or > |
| Open Brushes pop-up panel | Ctrl-Click in Image window |
| Erase to History panel's source state | Option-Eraser |
| Cycle down or up through blend modes | Shift-Plus(+) or Minus(–) |
| Change to a specific blend mode | Shift-Opt-letter (ie: N=Normal, M=Multiply, etc.) |
| Create fixed color target from within a dialog box | Shift-Click in image window |
| Delete fixed color target | Option-Click on target with Color Sampler tool |
| Create new spot-color channel from current selection | Cmd-Click on New Channel button in Channels panel |
| Pen Tool Shortcuts |
| To get Direct Selection tool while using Pen | Cmd |
| Switch between Add-Anchor and Delete-Anchor Point tools | Option |
| Switch from Path Selection tool to Convert Point tool when pointer is over anchor point | Cmd-Option |
| To Select a whole path w/Direct Selection tool | Option-click |
| Convert path to a selection | Cmd-click on path name (in Paths panel) |
| Panel Shortcuts |
| Show/Hide Brushes panel | F5 |
| Show/Hide Color panel | F6 |
| Show/Hide Layers panel | F7 |
| Show/Hide Info panel | F8 |
| Show/Hide Actions panel | Option-F9 |
| Open Adobe Bridge | Cmd-Option-O |
| Other Shortcuts |
| Switch between open documents | Cmd-tilde(~) |
| Undo or Redo operations beyond last one | Cmd-Option-Z/-Shift-Z |
| Apply Last Filter | Cmd-F |
| Opens Last Filter Dialog Box | Cmd-Option-F |
| Hand Tool | Spacebar |
| Reset Dialog Box | Hold Option, 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 |
| Repeat Last Transformation | Cmd-Shift-T |
| Measure Angle between Lines (Protractor Function) | After ruler is drawn, Option-Drag end of line with Ruler Tool |
| Move Crop Marquee while creating | Hold Space while drawing |
| Snap Guide to Ruler ticks | Hold Shift while dragging |
| Highlight Fields in Options bar (n/a for all tools) | Return |
| Don't Snap object edge while moving | Hold Control while dragging |
