Here are many keyboard shortcuts for Photoshop CC 2017, including lesser known and hidden keystrokes!
| Selecting | |
| Draw marquee selection from center | Option–drag selection |
| Add to a selection | Shift |
| Subtract from a selection | Option |
| Intersect 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 Layerspanel) |
| Reselect last selection | Cmd–Shift–D |
| Feather selection | Shift–F6 |
| Move marquee while drawing selection | Hold Spacebar 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–1 |
| Zoom in | Cmd–Spacebar–click or Cmd–Plus(+) |
| Zoom out | Option–Spacebar–click or Cmd–Minus(–) |
| Hide/Show all tools and panels | Tab |
| Hide/Show all panels except Tools panel and Options bar | Shift–Tab |
| Cycle 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 |
| Toggle layer mask on/off as rubylith | |
| Layers | |
| 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 blending modes | Shift–Plus(+) or Minus(–) |
| Change to a specific blending mode | (w/Move tool) Shift–Option–letter (i.e.: 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 | |
| Select all text on layer | Double–click on T thumbnail in Layers panel |
| Increase/Decrease size of selected text by 1 pt | Cmd–Shift–> or 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 (i.e.: 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 currentselection | Cmd–click on New Channel button in Channelspanel |
| Pen Tool & Paths | |
| To get Direct Selection tool while using Pen tool | 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) |
| 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 | Option–F9 |
| Open Adobe Bridge | Cmd–Option–O |
| Miscellaneous Good Stuff | |
| Switch between open documents | Cmd–Tilde(~) |
| Undo or Redo operations beyond last one | Cmd–Option–Z/Cmd–Shift–Z |
| Reapply last filter used | Cmd–F |
| Reapply last filter used, but display dialog box to alter settings | Cmd–Option–F |
| Temporarily switch to Hand tool | Spacebar |
| Reset dialog box | Hold Option, Cancel turns into Reset Button, clickit |
| Increase/Decrease value (in any option field) by 1unit | Up/Down Arrow |
| Increase/Decrease value (in any option field) by 10units | Shift–Up/Down Arrow |
| Reapply 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/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) | Return |
| 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 |