Image comparisons by highlighting differences with blocks.Fast comparison using file sizes and dates.Regular expression-based file filters for folder comparisons.Handles a variety of file formats (Windows, Unix, and Mac).Location pane showing map of files compared.Visual differencing and merging of text files.Over time WinMerge has added many features to make it easy to compare files and folders. It is here where WinMerge excels in understanding the differences and merging changes as appropriate.

Especially true for IT professionals, as working with configuration files can lead to issues if making the wrong change. There are many times that understanding the differences between a set of files or folders is critical to making sure that just the right operations are done. WinMerge is an exceptionally useful and open source differencing and merging tool for Windows.