How to rename all images together in OS X Mavericks? I am looking for the easy way to rename all images, or other groups of multiple files, together in OS X Mavericks.

Is it possible with Preview or any other standard OS X application?
Automator

You can use OS X's Automator.app to quickly rename batches of images. The Actions you want are:


Get Selected Finder Items
Rename Finder Items


Using this approach you can rename files, change the case, or append/remove specific parts of the original file name.



You can create droplet like applications using Automator to make the whole process a single drag-and-drop. Alternatively you can set up a folder action to rename any image dropped into a folder.

To learn more about using Automator, see Apple's Mac Basics: Automator.