Find and Replace from Multiple files is a simple freeware utility which can find words from multiple files and then replace it with the desired word. This is useful when you want to remove or change a particular word or sentence which is available in multiple files. The interface is very simple and all you need is to select the files to find and replace using the add file button.
In the advanced options, you can set whether the search has to be case sensitive. There is also option to back up the changed files so that even you mess up with the files, you can easily restore them.
Multiple Find and Replace is a handy utility and worth trying.