BatchRename'em is a free Mac application that allows you to rename multiple files and folders that you might have stored on your system in an instant. With the help of this small tool, you won't have to waste any of your time manually renaming individual files and it can be quite useful, especially when dealing with large number of files and folders.
Using BatchRename'em is very easy and all you have to do, after launching this application is to select the desired files and folders you want to rename and choose the desired renaming mode. You can choose to add the current date and time or any desired text to the already existing file names or easily change the case of the base name, full name or the extension. You can also add a sequential numbering system to either the existing name or to a new one. You can even replace any text within the names of your files and folders and modify the name of a single item (like the base name or extension) with little effort.
Once you have selected the desired renaming mode and the files and folders, simply click on the "Continue" button and your items will automatically be renamed in no time.
Other than that, not much more can be said about BatchRename'em, except the fact that the simple and intuitive interface that this application comes with makes the renaming process easy.
All in all, BatchRename'em is a small Mac application that is worth a shot if you want to batch rename any desired number of files and folders in no time and with little effort.