DiffVue is a diff tool, aka diff utility software for Windows. It is also a merge utility. DiffVue can not only compare folders and files but also compare ftp site's files, displaying differences visually not only the folder contents but also file contents. You can delete, copy, rename file(s) and folder(s) and undo the previous file operations. Using DiffVue text editor aka DiffEditor, you can modify and merge the files. You can generate a single PDF file using the existing files or folders and displays non-text files. DiffVue provides the enhanced search tool including regular expression, and set of useful tools for resource files to make localization process easier. DiffVue also includes DiffFTP, a FTP software that you can compare FTP against your local hard disk so that you can eventually compare website against your local disk and maintain your Website easily.