These Action-Bar buttons are built-in ImageJ functions or macros, organized in sections.

All macros are associated with a keyboard shortcut which is indicated in the button names (keys in uppercase means “shift + key”).

With the last version of Action Bar, hovering over each button will show an extended description of each macro in the tooltip box :

All ImageJ Built-in shortcuts still work with the Ctrl key.

Example of SplitView macro for quick montages:

Splitview-1.mp4

Macro Shortcuts