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Keyboard Shortcuts

Press F1 in the app for this list, generated live from the actual bindings. Canvas shortcuts apply while the canvas has focus, so single-letter keys never interfere with text fields.

Shortcut Action
Ctrl+O Import images
Ctrl+S Save
Ctrl+Shift+S Save as
Ctrl+Z Undo
Ctrl+Shift+Z / Ctrl+Y Redo
F1 Shortcut help
F2 Settings
F3 Toggle image browser panel
Ctrl+Q Quit
Shortcut Action
D / Next image
A / Previous image
Home / End First / last image
Shortcut Action
V Select
H Pan
Z Zoom
R Rectangle
P Polygon
L Polyline — or toggle lock when an object is selected
E Ellipse
O Point
Ctrl+Shift+A AI interactive segmentation
Shortcut Action
N / Shift+N Finish the shape
Esc Cancel the operation
Ctrl+Shift+N Discard and redraw
Right-click Remove last vertex / cancel
Shortcut Action
Delete / Backspace Delete selection
Ctrl+C / Ctrl+V Copy / paste annotation
Ctrl+A Select all
= Bring to front
- Send to back
G Toggle group mode
Shift+G Reset group
Q Toggle occluded on selection
Alt+click vertex Delete vertex (in vertex editing)
Shortcut Action
10 Selection present: re-label it. Otherwise: set the active label
Ctrl+10 Re-label the selection
Shortcut Action
Mouse wheel Zoom at cursor (Ctrl+wheel is ignored)
Middle-drag / Space+drag Pan
Ctrl+= / Ctrl+- Zoom in / out
F Fit image to window
Ctrl+R / Ctrl+Shift+R Rotate view clockwise / counterclockwise