At a tiny size of 332k with no installing needed, this little free portable bit of software can sort, rename and change attributes of up to one million files at once. All renaming results are previewed before the renaming begins. Option for the selection and replacing of extensions, upper, lower case renaming is provided. This app has the added benefits of been design to be copy too and run from any thumb drives. New file names can be copy and pasted from Excel.
What's new in this version:
Version 8.3 adds text to the front and back of a file name/