FNR.exe (File and Folder Renamer) is a Windows utility software designed to help users quickly and easily rename multiple files and folders at once. The program allows users to change filenames and folder names, add or remove text and numbers, change case, add date and time stamps, and more. It can also be used to make batch renames, meaning multiple files and folders can be renamed at once. It also provides a preview of the changes before they are applied to ensure accuracy. FNR.exe supports all major file formats, including images, audio, video, documents, and more. The program is lightweight and easy to use, making it a great choice for quickly and accurately renaming multiple files and folders.
Sed has many features, great stability and a huge installed base. It is capable of very complex (and simple) text manipulations based on a single line, a block of lines. It supports standard POSIX regular expressions, providing a well-known approach to identify areas to be replaced, edited or deleted.