With this utility you can rename groups of your files fast and easy. You may change filename to lower, upper or large case, insert text and incremented numbers, replace characters, substrings, extensions and more.

File Substring Replacement Utility (FSRU) can search and replace multiple strings in multiple files. It was designed specifically for computer programmers working on large projects with many source code files, however any type of file can be used including HTML. FSRU provides a detailed report of every substring that is found or replaced. FSRU supports case-insensitive, "whole word", command line, and wildcard searches.

Rename multiple files at once with this powerful tool. You can do Large Case, Upper Case, Lower Case, Insert Text, Insert Incremented Number, Replace/Remove Substring, Trim Extension, Change Extension, Replace Extension.