The Keyboard shortcuts I know
From Viewport (Scene editor)
Project manager = Ctrl+Alt+P
Find = Ctrl+F
Duplicate = Ctrl+LMB
Save = Ctrl+S
Copy = Ctrl+C
Past = Ctrl+V
In Pixel Editor (Piskel)
Tool shortcuts…
Pen tool = P
Vertical mirror pen tool = V
Paint bucket tool = B
Magic bucket tool = A
Eraser tool = E
Stroke tool = L
Rectangle tool = R
Circle tool = C
Move Tool = M
Shape selection = Z
Rectangle selection = S
Lasso selection = H
Lighten tool = U
Shift color index tool = P
Dithering tool = T
Color picker = O , Alt+LMB
Misk Shortcuts…
Zoom In = Mouse Wheel Up , +
Zoom In = Mouse Wheel Down , -
Reset zoom = 0
Pen size up = ]
Pen size down = [
Select previous frame = ↑
Select next frame = ↓
New Frame = N
Duplicate selection = Shift+D
Select original size = Alt+1
Select best size preview = Alt+2
Select full size preview = Alt+3
Toggle onion skin = Alt+O
Toggle Grid = Alt+G
Toggle Layer Preview = Alt+L
Open merge animation popup = Ctrl+Shift+M
Close an open popup = ESC
Move viewport up = Shift+↑
Move viewport down = Shift+↓
Move viewport left = Shift+←
Move viewport right = Shift+→
Undo = Ctrl+Z
Redo = Ctrl+Shift+Z , Ctrl+Y
Selection Shortcuts…
Cut selection = Ctrl+X
Copy selection = Ctrl+C
Past selection = Ctrl+V
Delete selection = DEL
Commit selection = Enter
Color shortcuts…
Primary Color = LMB
Secondary Color = RMB
Swap Color = X
Reset default color = D
Open palette creation popup = Alt+P
Select next color = >
Select previous = <
Color Palettes Selection = 1 to 9
Save the current sprite = Ctrl+S
Open a (.piskel) file = Ctrl+O
Save as new = Ctrl+Shift+S
…
Please don’t repeat same shortcuts again.