Using the Command Launcher
short URLFrom Fiji
One of the most useful functions of ImageJ (and therefore Fiji) is the Command Launcher (also known as Command Finder). The keyboard shortcut is Control+L (or Command+L on Macs).
Once the window opens, just type part of the menu item you want to launch, and it will show you a list of commands that match that substring:
If you are not quite sure about the spelling, just click on the Fuzzy matching checkbox:
If you want to know what menu the entries are in, or from which .jar files they come, enable the full information:


