Keyboard shortcuts

Shortcut keys allow easy and quick methods for navigating or annotating objects.

Navigation

Windows	Mac	Description
J	J	Go the Previous Image
K	K	Go the Next Image
H	H	Back to file list

General actions

Windows	Mac	Description
Ctrl S	⌘S	Save image
Ctrl Enter	⌘↩	Submit Image
Shift K	⌘K	Approve (Pass)
Ctrl D	⌘D	Ask for Change (Decline)
C	C	Select Comment Tool
?	?	Open Keyboard shortcut list

View controls

Windows	Mac	Description
Ctrl +	⌘+	Zoom-in
Ctrl -	⌘-	Zoom-out
Ctrl 0	⌘0	Fit Image with playground
N	N	Select Pan(Hand) Tool

Annotating

Label list

Windows	Mac	Description
1, 2, 3, ..., n	1, 2, 3, ..., n	Switch to a specific label The number is assigned automatically to each label from the top of the list
T	T	Show/Hide all labels

Actions

Windows	Mac	Description
Ctrl Z	⌘Z	Undo
Ctrl Shift Z	⌘⇧Z	Redo

Annotation Tools

You need to select a label first in order to use the following shortcuts.

Common

Windows	Mac	Description
P	P	Polygon
B	B	Bounding Box
A	A	Path

Segmentation only

Windows	Mac	Description
L	L	Pencil
Shift P	⇧P	Polygon Eraser
Shift L	⇧L	Pencil Eraser

Vector only

Windows	Mac	Description
O	O	Point
S	S	Selector