Info
Press N for none
Press D to draw
Press R for rectangle
Press C for circle
Press L for line
Press P for pan/zoom (scroll to zoom, drag to pan)
Right Click to Erase Balls
Right Click a Flag/Bomb/Boost/Pad/Gate to Cycle Its State
Shift+Right Click a Ball to Set Flag/NF/JJ/RB/TP
You Can Get The Map Code and PNG From Fortunate Maps
Github
FM Userscript