WDiff is a windows application which displays the differences between two text files or between two directories or ZIP archives. The two text files (or directories) are displayed side by side. Common and different sections are clearly marked with separator lines and different colors. The display window is scrollable in all directions. The middle line which separates the two sides can be moved in either direction to see more of the left or right side. It is also possible to jump between common and different sections. This utility is especially useful for programmers who wants to see the differences between two versions of a source text file (or HTML file) or to show the differences between two sets of files, where one or both sets can reside in a ZIP archive. There are various formatting and comparison options available.
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