“Resize” keeps everything inside the new bounds and fills new hexes. Both can be undone.
Sign in with the edit password set on the server. It is remembered in this browser.
This map syncs to the server automatically. Open the view link on a tablet or TV to show it full screen; it updates as you edit.
This map is only in this browser. Upload it to keep it on the server and get a view link for the table.
Replaces the current map (you can undo).