WinMerge is a open source comparing, synchronizing and merging tool for windows.
- Visual differencing and merging of text files
- Flexible editor with syntax highlighting, line numbers and word-wrap
- Moved lines detection
- Folder comparision including sub folders
- Works like a version control, creates patch files, resolve conflicts
The simplest way to compare files is using npp compare plugin. After installation of this plugin, we can enable file comparison with a shortcut and it compares last two files opened in the notepad++ windows.