Enable onion skins

`Command` + `L`

All hotkeys for Anime Studio (MacOS)

General Shortcuts Last tool used	`Shift` + `Z`
General Shortcuts Undo	`Command` + `Z`
General Shortcuts Redo	`Shift` + `Command` + `Z`
General Shortcuts Copy	`Command` + `C`
General Shortcuts Cut	`Command` + `X`
General Shortcuts Paste	`Command` + `V`
General Shortcuts Select all	`Command` + `A`
General Shortcuts Inverse selected	`Command` + `I`
General Shortcuts Reset view	`Home`
General Shortcuts View all	`Shift` + `Home`
General Shortcuts Zoom	`Option` + `Home`
General Shortcuts Deselect	`Esc`
General Shortcuts Weld points/ create shape/ bind	`Return`
General Shortcuts Select connected points	`Tab`
General Shortcuts Back	`Left arrow`
General Shortcuts Forward	`Right arrow`
General Shortcuts Start	`Left arrow` + `Shift`
General Shortcuts End	`Right arrow` + `Shift`
General Shortcuts Last keyframe	`Left arrow` + `Option`
General Shortcuts Next keyframe	`Right arrow` + `Option`
General Shortcuts Play/stop	`Spacebar`
General Shortcuts Decrease line width	`[`
General Shortcuts Increase line width	`]`
General Shortcuts New document	`Command` + `N`
General Shortcuts Save	`Command` + `S`
General Shortcuts Preview animation	`Shift` + `Command` + `R`
General Shortcuts Preview	`Command` + `R`
General Shortcuts Frame O jump	`Shift` + `Command` + `D`
General Shortcuts Layer settings	`Shift` + `Command` + `I`
General Shortcuts Refresh media	`Shift` + `Command` + `M`
General Shortcuts Refresh brushes	`Option` + `Shift` + `Command` + `L`
General Shortcuts Actions (show or hide)	`Command` + `K`
General Shortcuts Timeline	`Command` + `[`
General Shortcuts Style	`Command` + `]`
General Shortcuts Quit	`Command` + `Q`
Fill tools Delete selected shape	`Delete`
Fill tools Create shape	`Spacebar`
Fill tools Move shape	`Up arrow` / `Down arrow`
Fill tools Shape order	`Shift` + `Up arrow` / `Shift` + `Down arrow`
Bones shortcuts Flexi-binding	`Shift` + `Command` + `F`
Bones shortcuts Freeze	`Command` + `F`
Bones shortcuts Delete bone	`Delete`
Bones shortcuts Blind points	`Spacebar`
Bones shortcuts Select parent	`Up arrow`
Bones shortcuts Select child	`Down arrow}`
Bones shortcuts
View Shortcuts Zoom in	`Command` + `Option` + `9`
View Shortcuts Zoom out	`Command` + `Option` + `8`
View Shortcuts Grid	`Command` + `G`
View Shortcuts Grid settings	`Shift` + `Command` + `G`
View Shortcuts Safe zones	`Shift` + `Command` + `V`
View Shortcuts Show output only	`Command` + `J`
View Shortcuts Unselected layers	`Shift` + `Command` + `A`
View Shortcuts Enable onion skins	`Command` + `L`
View Shortcuts Tracing image	`Command` + `Y`
View Shortcuts Show tracing image	`Command` + `U`
View Shortcuts Show curves	`Shift` + `Command` + `C`
View Shortcuts Hide tabs	`Shift` + `Command` + `J`
Mouse shortcuts Scrub timeline	`Option` + `Mouse wheel`
Mouse shortcuts Zoom	`Shift` + `Right button` + `Drag`
Mouse shortcuts Pan	`Right button` + `Drag`
Mouse shortcuts Rotate	`Command` + `Right button` + `Drag`
Mouse shortcuts Move	`Spacebar` + `Drag`
Mouse shortcuts .01(+/-)	`Mouse wheel`
Mouse shortcuts .005(+/-)	`Shift` + `Mouse wheel`
Graph Shortcuts Zoom(in/out)	`PgUp` / `PgDn`
Graph Shortcuts Scroll(up/down)	`Shift` + `PgUp` / `Shift` + `PgDn`
Graph Shortcuts Zoom(to show all)	`End`
Graph Shortcuts Zoom	`Command` + `Mouse wheel`
Frame by Frame New frame	`F5`
Frame by Frame Duplicate frame	`F6`
Frame by Frame Delete frame	`Shift` + `F5`
A to Z shortcuts Add point or bone	`A`
A to Z shortcuts Select bone	`B`
A to Z shortcuts Curvature/ crop video	`C`
A to Z shortcuts Delete edge	`D`
A to Z shortcuts Eraser	`E`
A to Z shortcuts Freehand	`F`
A to Z shortcuts Select points (group)	`G`
A to Z shortcuts Hide edge	`H`
A to Z shortcuts Blind points	`I`
A to Z shortcuts Blob brush	`J`
A to Z shortcuts Colour points	`K`
A to Z shortcuts Eyedropper	`L`
A to Z shortcuts Transform layer	`M`
A to Z shortcuts Noise	`N`
A to Z shortcuts Set origin	`O`
A to Z shortcuts Paint bucket/ Reparent bone	`P`
A to Z shortcuts Select shape	`Q`
A to Z shortcuts Point reduction	`R`
A to Z shortcuts Draw shape/ bone strength	`S`
A to Z shortcuts Transform	`T`
A to Z shortcuts Create shape	`U`
A to Z shortcuts Line width	`W`
A to Z shortcuts Magnet	`X`
A to Z shortcuts Manipulate bones	`Z`
Numeric shortcuts Track camera	`4`
Numeric shortcuts Zoom camera	`5`
Numeric shortcuts Roll camera	`6`
Numeric shortcuts Pan/ Tilt camera	`7`
Numeric shortcuts Rotate Workspace	`8`
Numeric shortcuts Orbit workspace	`9`