Contribution of Chin Wei Lien
Having Quick Look shipped together with our Mac is such a fortune, not only it helps us quickly preview our files but also it illuminates our day with its great interface.
A little finding here is that if we select multiple pictures at one time in Finder and press space bar, a Quick Look window will pop up in an instant1.
Take notice of the option to view pictures in different format just next to scrolling arrows (after separator). Pressing on that turns Quick Look window into Index Sheet2. And in order to go back to normal view, escape key can be used.
Read more for screenshots…