Undo previous action

`Ctrl` + `Z`

All hotkeys for Roll20

Layers Switch to token layer	`Ctrl` + `O`
Layers Switch to token layer	`⌘ Cmd` + `O`
Layers Switch to GM layer	`Ctrl` + `K`
Layers Switch to GM layer	`⌘ Cmd` + `K`
Layers Switch to map layer	`Ctrl` + `M`
Layers Switch to map layer	`⌘ Cmd` + `M`
Layers Move selected object to token layer	`Ctrl` + `↑ Shift` + `O`
Layers Move selected object to token layer	`⌘ Cmd` + `↑ Shift` + `O`
Layers Move selected object to GM layer	`Ctrl` + `↑ Shift` + `K`
Layers Move selected object to GM layer	`⌘ Cmd` + `↑ Shift` + `K`
Layers Move selected object to map layer	`Ctrl` + `↑ Shift` + `M`
Layers Move selected object to map layer	`⌘ Cmd` + `↑ Shift` + `M`
Tools Select tool	`Ctrl` + `S`
Tools Select tool	`⌘ Cmd` + `S:`
Tools Brush tool	`Ctrl` + `F`
Tools Brush tool	`⌘ Cmd` + `F`
Tools Text tool	`Ctrl` + `G`
Tools Text tool	`⌘ Cmd` + `G`
Tools Add selected object(s) to turn tracker	`Ctrl` + `U`
Tools Add selected object(s) to turn tracker	`⌘ Cmd` + `U`
Tools Select everything on current layer	`Ctrl` + `A`
Tools Select everything on current layer	`⌘ Cmd` + `A`
Tools opy selected object(s)	`Ctrl` + `C`
Tools Copy selected object(s)	`⌘ Cmd` + `C`
Tools Paste copied object(s)	`Ctrl` + `V`
Tools Paste copied object(s)	`⌘ Cmd` + `V`
Tools Undo previous action	`Ctrl` + `Z`
Tools Undo previous action	`⌘ Cmd` + `Z`
Tools Delete selected object(s)	`⬅ Backspace`
Tools Delete selected object(s)	`Del`
Drawing Draw snapped to grid (straight lines, polygon tool points on edges, squares, etc.)	`↑ Shift`
Moving, rotation an resizing Zoom	`Alt` + `Mouse wheel up and down`
Miscellaneous Holding down Alt while performing a multi-select (dragging a box around objects) will select ONLY objects classified as drawings	`Alt`
Moving, rotation an resizing Move selected token one grid unit in the specified direction	`← ↑ → ↓`
Moving, rotation an resizing Move a selected token three pixel in the specified direction	`Alt` + `← ↑ → ↓`
Moving, rotation an resizing Rotate selected token by 45-degree or 30-degree increments, depending on your grid type	`E` + `Mouse wheel up and down`
Moving, rotation an resizing Rotate selected token by 1 degree at a time	`Alt` + `E` + `Mouse wheel up and down`
Moving, rotation an resizing Pan	`Mouse movement`
Advanced shortcuts Zoom view selected graphic	`Z`
Advanced shortcuts Show zoom view of selected graphic to all players	`↑ Shift` + `Z`
Miscellaneous Open Character Sheet that token represents (if exists)	`↑ Shift` + `Mouse double click`
Miscellaneous While holding down Shift, hold down your Left Mouse Button upon a point on the tabletop. This will center everyone's field of vision about that point. This is known as "shift-pinging"	`↑ Shift` + `Mouse left click`
Advanced shortcuts Switch to Map layer	`M`
Advanced shortcuts Switch to Tokens layer	`O`
Advanced shortcuts Switch to GM layer	`K`
Advanced shortcuts Switch to Dynamic Lighting layer	`,`
Advanced shortcuts Move selected object(s) to Map layer	`L` then `M`
Advanced shortcuts Move selected object(s) to Tokens layer	`L` then `O`
Advanced shortcuts Move selected object(s) to GM layer	`L` then `K`
Advanced shortcuts Move selected object(s) to Dynamic Lighting layer	`L` then `,`
Advanced shortcuts Select tool	`S`
Advanced shortcuts Pan	`A`
Advanced shortcuts Shape Drawing	`F` then `R`
Advanced shortcuts Freehand Drawing	`F` then `F`
Advanced shortcuts Polygon Drawing	`F` then `G`
Advanced shortcuts Text Tool	`F` then `D`
Advanced shortcuts Measure	`Q`
Advanced shortcuts Fog of War Reveal	`R` then `R`
Advanced shortcuts Fog of War Polygon Reveal	`R` then `G`
Advanced shortcuts Fog of War Hide	`R` then `T`
Advanced shortcuts Show Turn Tracker	`Y`
Advanced shortcuts Add Turn for Selected Token(s)	`U`
Advanced shortcuts Show Dice Rolling GUI	`D`
Advanced shortcuts Show/Hide Page Toolbar	`P`
Advanced shortcuts Show/Hide Right Sidebar	`W`
Advanced shortcuts Chat Tab	`C`
Advanced shortcuts Focus Chat Input	`C` then `C`
Advanced shortcuts Art Tab	`İ`
Advanced shortcuts Journal Tab	`J`
Advanced shortcuts Focus Journal Search Box	`/`
Advanced shortcuts Jukebox	`N`
Advanced shortcuts Pause All Jukebox Tracks	`N` then `P`
Advanced shortcuts Collection Tab	`;`
Advanced shortcuts Settings Tab	`[`
Advanced shortcuts De-select active text boxes	`Esc`
Advanced shortcuts Toggle self-mute	`