Puran Duplicate File Finder is a free utility that can find and delete duplicate files on your computer by comparing contents of each file.
Scan duplicate files in one or more drives/folders.
It is extremely fast. You will be amazed by the speed for sure.
You may choose to find all file types or just the ones mentioned in your custom list.
You can exclude files/folders that you do not want to scan.
You can also exclude files by their size.