Lighten

Exclusion

Saturation

Show Clone Source (overlays image)

Nudge Clone Source

(Drag in preview with Reconstruct tool, Displace, Amplitwist, or Affine mode selected) Continually sample the distortion

(Exposure, Recovery, or Black sliders) Display highlights that will be clipped in Preview

(Drag Black/white point sliders) Display highlights and shadows that will be clipped

(Any selection tool) Subtract from a selection

Draw marquee from center (if no other selections are active)

Switch from Magnetic Lasso tool to Lasso tool

(On Move tool) Move copy of selection

(Ruler tool, Alt-drag end point) Make protractor

(Drag guide) Convert between horizontal and vertical guide

Behind (Brush tool only)

Multiply

Color Burn

(Dodge tool/Burn tool) Dodge/burn midtones

Draw from center outward

(Click channel thumbnail) Intersect with current selection

(Click layer thumbnail) Intersect with current selection

(Click pathname) Retain intersection of path as selection

Increase/decrease temporary Adjustment Brush tool flow in increments of 10

Fill from history. Hold down Shift to preserve transparency

Darken

Hard Light

Pin Light

Luminosity

(Dodge tool/Burn tool) Dodge/burn highlights

Decrease or increase type size of selected text 2 points or pixels. Hold down Alt (Win) or Option (macOS) to decrease/increase by 10

Play entire action

Toggle (forward) canvas color  (or Control + click canvas background and select color)

(Magnetic pen tool) Close path with straight-line segment

Choose 100% vertical scale

Decrease or increase type size of selected text 2 points or pixels. Hold down Alt (Win) or Option (macOS) to decrease/increase by 10

(double click action or action set) Change action or action set options

Display precise cross hair for brushes

(Double-click layer effect/style) Hide layer effect/style

(Hold the mouse button) Temporarily zoom into an image

Create a duplicate of the selection as a floating selection

(Any selection tool except Quick Selection tool) Intersect a selection

Constrain shape and draw marquee from center

(On Pen (any Pen tool), Path Selection or Direct Selection tool) Duplicate a path

(on any painting tool) Select foreground color from color picker

Linear Light

Difference

(Quadruple-click) Select paragraph

(Quintuple click) Select story

Draw square slice from center outward

puppet warp

Parametric Curve Targeted Adjustment tool

Hue Targeted Adjustment tool

Saturation Targeted Adjustment tool

Luminance Targeted Adjustment tool

Grayscale Mix Targeted Adjustment tool

Parametric Curve Targeted Adjustment tool

Hue Targeted Adjustment tool

Saturation Targeted Adjustment tool

Luminance Targeted Adjustment tool

Grayscale Mix Targeted Adjustment tool

Mixer Brush changes Mix setting

Hue

Toggle paragraph hyphenation on/off

Drag left or right to change brush size

Drag mouse down or up to decrease/increase brush softness/hardness

Rotate Clone Source

panel

Add opacity when Cleanup tool is selected

Toggle (backward) canvas color