Keyboard Shortcuts

The following shortcuts are the default setting (no, you can't change them yet (without hacking the source)).

A	Auto zoom the view
Shift-A	Cycle through the different Auto zoom modes
D	Delete nodes, segments or ways. Pressing Ctrl forces delete, even if the object is in use.
G	Add a segment between two nodes
M	Move
N	Add a new node or insert a new node into a segment
Shift-N	Cycle between "add a new node" and "insert a new node into a segment"
S	Select objects
Ctrl-Shift-A	Unselect all
Shift-S	Cycle between "select objects" and "select objects in a straight line"
Alt-Click	Holding the "Alt" key when in "select" mode selects segments instead of ways.
Shift-Click	Holding the "Shift" key when in "select" mode adds new element to existing selection.
Alt-Shift-Click	Holding the "Alt" and "Shift" key when in "select" mode adds new node to current selection.
W	Add a new way
Z	Zoom in by dragging
Alt-C	Conflict dialog
Alt-O	Command stack (the undo buffer)
Alt-H	Display the history of all selected items (history is not fully implemented yet)
Alt-L	Open a list of all loaded layers
Alt-P	Property for selected objects
Alt-E	Open selection list dialog
Ctrl-Shift-R	Reverse segments
Ctrl-Alt-R	Organize the segments of a way
Ctrl-Shift-D	Download
Ctrl-Shift-Alt-D	Download incomplete ways
Ctrl-Shift-U	Upload
Ctrl-Right	Pan display window
Ctrl-Left	Pan display window
Ctrl-Up	Pan display window
Ctrl-Down	Pan display window
Ctrl-,	Zoom in
Ctrl-.	Zoom out
Ctrl-Z	Undo
Ctrl-Shift-Z	Redo
Ctrl-O	Open file
Ctrl-S	Save file
Ctrl-Shift-S	Save as
Ctrl-E	Export to GPX
F1	Help
Shift-F1	About screen (with JOSM version number)
Ctrl-F1	Popup tooltip of current selected action
F12	Preferences
Space	Activate the last used action again. Use this in "Add Segment" mode while holding down mouse button.