DiffVue is a diff tool, aka diff utility software for Windows. It is also a merge utility. DiffVue can not only compare folders/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) & 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.