WinMerge is a tool for visual difference display and merging, for both files and directories. It is highly useful for determing what has changed between file versions, and then merging those changes. WinMerge has Unicode support, Flexible syntax coloring editor, Visual SourceSafe integration, and Windows Shell integration. Regexp filtering for filenames and lines. Side-by-side line difference and highlights differences inside lines. A file map shows the overall file differences in a location pane. The user interface is translated into several languages. WinMerge is licensed as freeware, full size of the download is 2.39 MB. You may download a free version of WinMerge by following download link at Free Download section of this page. WinMerge is developed or distributed by Thingamahoochie Software and is listed under file syncronizing differencing.