ExamDiff Pro is a powerful and easy-to-use file and directory comparison tool for Windows. It includes numerous helpful features for comparing and merging many kinds of files and folders – from source code to Office documents to Zip archives to files on remote computers. If you've been frustrated with other comparison utilities, you will find that ExamDiff Pro offers a much more user-friendly and customizable experience.

For developers
track changes in files and folders
perform code reviews
easily merge different versions of files using two- and three-way diff and merge.
share HTML and printed difference reports with your colleagues
compare a local website to an FTP server (using the FTP plug-in)
ignore programming language comments to focus only on the most important aspects of your source code
visualize different aspects of code through syntax highlighting
compare executable files (DLLs, EXEs, etc.) using built-in binary comparison