What is ⌥ Opt +

keyboard shortcut for?

Adobe Illustrator (Mac) - (click color bar) Change the nonactive fill/stroke  

Adobe Illustrator (Mac) - (click swatch in the Swatches panel) Apply swatch color to active (or selected) color stop  

Adobe Illustrator (Mac) - (drag end point of gradient annotator) Modify angle and end-point together  

Adobe Illustrator (Mac) - (click layer name) Select all objects on the layer  

Adobe Illustrator (Mac) - (click eye icon) Show/hide all layers but the selected one  

Adobe Illustrator (Mac) - (click lock icon) Lock/unlock all other layers  

Adobe Illustrator (Mac) - (click expansion triangle) Expand all sublayers to display entire hierarchy  

Adobe Illustrator (Mac) - (click New Layer button) Set options as you create new layer  

Adobe Illustrator (Mac) - (click New Sublayer button) Set options as you create new sublayer  

Adobe Illustrator (Mac) - (click on mask thumbnail) Change mask to grayscale image for editing  

Adobe Photoshop (macOS) - (Click on brush or swatch) Delete brush or swatch  

Adobe Photoshop (macOS) - (click on a tool, except Add Anchor Point, Delete Anchor Point, and Convert Point tools) Cycle through hidden tools  

Adobe Photoshop (macOS) - (Click on a filter) Apply a new filter on top of selected  

Adobe Photoshop (macOS) - (Click a disclosure triangle) Open/close all disclosure triangles  

Adobe Photoshop (macOS) - (Click on a tool) Reverse direction for Bloat, Pucker, Push Left, and Mirror tools  

Adobe Photoshop (macOS) - (On the field) Toggle grid size  

Adobe Photoshop (macOS) - Switch from Magnetic Lasso tool to polygonal Lasso tool  

Adobe Photoshop (macOS) - (Direct selection tool) Select entire path  

Adobe Photoshop (macOS) - (Eyedropper tool) Select background color  

Adobe Photoshop (macOS) - (Color sampler tool) Deletes color sampler  

Adobe Photoshop (macOS) - (Click the check mark next to a command) Turn command on and all others off, or turn all commands on  

Adobe Photoshop (macOS) - Turn current modal control on and toggle all other modal controls  

Adobe Photoshop (macOS) - (To triangle) Collapse/expand all components of an action  

Adobe Photoshop (macOS) - (Click the New Action button) Create new action and begin recording without confirmation  

Adobe Photoshop (macOS) - (To Auto button) Define Auto options for Levels or Curves  

Adobe Photoshop (macOS) - (Click on the brush) Delete brush  

Adobe Photoshop (macOS) - (Click new button) Set options for new items (except for Actions, Animation, Styles, Brushes, Tool Presets, and Layer Comps panels)  

Adobe Photoshop (macOS) - (Click Delete button) Delete without confirmation (except for the Brush panel)  

Adobe Photoshop (macOS) - (Click Save Selection As Channel button) Set options for Save Selection As Channel button  

Adobe Photoshop (macOS) - (Click color in color bar) Select background color  

Adobe Photoshop (macOS) - (Click the image state) Duplicate any image state, except the current state  

Adobe Photoshop (macOS) - (Click New Layer button) Create new empty layer with dialog box  

Adobe Photoshop (macOS) - (Click layer mask thumbnail) Toggle between layer mask/composite image  

Adobe Photoshop (macOS) - (Click filter mask thumbnail) Toggle between filter mask/composite image  

Adobe Photoshop (macOS) - (Click the line dividing two layers) Create a clipping mask  

Adobe Photoshop (macOS) - (Click New Group button) Create new layer group with dialog box  

Adobe Photoshop (macOS) - (Click Add Layer Mask button) Create layer mask that hides all/selection  

Adobe Photoshop (macOS) - (Click Create New Layer Comp button) Create new layer comp without the New Layer Comp box  

Adobe Photoshop (macOS) - Set options for Fill Path with Foreground Color button, Stroke Path with Brush button, Load Path as a Selection button, Make Work Path from Selection button, and Create New Path button  

Adobe Photoshop (macOS) - (Click swatch) Delete swatch  

Corel Painter (Mac) - Remove color from selection  

Corel Painter (Mac) - (click corner handles) Distort  

Corel Painter (Mac) - (click tile) Get tile color  

Substance Painter (Mac) - Display mask in viewport  

Adobe Lightroom Classic (Mac) - (click a panel) Toggle solo mode  

Adobe Lightroom Classic (Mac) - (click group name) Reset a group of sliders  

Adobe Photoshop Elements (Mac) - (click on a tool) Cycle through nested tools  

Adobe Photoshop Elements (Mac) - (click New button) Set layer options  

Adobe Photoshop Elements (Mac) - (click Trash button) Delete without confirmation  

Adobe Photoshop Elements (Mac) - (click New Layer button) Create new empty layer with dialog  

Adobe Photoshop Elements (Mac) - (click the eye icon) Show/hide all other currently visible layers  

Adobe Photoshop Elements (Mac) - (click the line dividing two layers) Create a clipping mask  

Adobe Photoshop Elements (Mac) - (on Eyedropper tool) Select background color  

Adobe Photoshop Elements (Mac) - (click on a brush) Delete brush  

MagicaVoxel - Pick voxel material  

Adobe XD (Mac) - Zoom out  

Pixelmator Pro - Pick a color from your image  

Pixelmator Pro - Set clone source  

Sketch - (click layer) Select an obscured layer  

Sketch - (click Align buttons) Align layer to Artboard  

Acorn 7 - (click layer visibility icon) Hide other layers