Show/Hide Transperency

`Command` + `4`

All hotkeys for Clip Studio Paint (Manga Studio) (MacOS)

Canvas View Zoom in/Zoom out in Canvas View	`+` / `-`
Canvas View Moving it to the left zooms out the canvas view while moving to the right zooms in the canvas view	`Slider`
Frequently Used Shortcuts Undo Last Operation	`Command` + `Z`
Frequently Used Shortcuts Fit to Screen	`Command` + `0`
Frequently Used Shortcuts Zoom in (Switch to Zoom)	`Command` + `Spacebar`
Frequently Used Shortcuts Zoom out (Switch to Zoom)	`Option` + `Spacebar`
Frequently Used Shortcuts Move Screen (Switch to Zoom)	`Spacebar`
Frequently Used Shortcuts Rotate Canvas	`Shift` + `Spacebar`
Frequently Used Shortcuts Clear	`Delete`
Fill and Tool Flood Fill	`F`
Fill and Tool Toggle Gradient/Fill	`G`
Fill and Tool Lasso Selection Tool	`L`
Fill and Tool Hide Selection Border	`H`
Fill and Tool Quick Mask	`Q`
Layers New Layer	`Command` + `Shift` + `N`
Layers Change Layer Type	`Command` + `Option` + `E`
Layers Show/Hide Rulers	`Command` + `R`
Layers Show/Hide Transperency	`Command` + `4`
Navigation Move Page	`Spacebar`
Navigation Rotate Page	`Shift` + `Spacebar`
Navigation Page Zoom in/Page Zoom out	`Command` + `NumPad +` / `Command` + `NumPd -`
Navigation Zoom Page to Actual Size	`Command` + `Option` + `0`
Navigation Zoom Page to Print Size	`Command` + `Shift` + `0`
Tool Actions Undo Last Action	`Command` + `Z`
Tool Actions Redo Last Action	`Command` + `Y`
Tool Actions Increase/Decrease Brush/Line Size	`]` / `[`
Tool Actions Switch to Black Color	`4`
Tool Actions Switch to White Color	`5`
Tool Actions Switch to Transparent Color	`6`
Tool Actions Switch to Tone	`7`
Tool Actions Draw Straight Line/Maintain aspect Ratio fro Shape	`Shift` + `Drag`
Selection Shortcuts Select All	`Command` + `A`
Selection Shortcuts DeSelect All	`Command` + `D`
Selection Shortcuts Invert Selection	`Command` + `I`
Selection Shortcuts Quick Mask	`Command` + `M`
Selection Shortcuts Quick Select	`Command` + `Shift` + `M`
Selection Shortcuts Convert Selection Layer to Selection	`Command` + `F`
Selection Shortcuts Convert Selection to Layer	`Command` + `Shift` + `D`