ExamDiff Pro is a commercial software utility for visual file and directory comparison, for Microsoft Windows.

ExamDiff Pro has a double-pane view that allows side-by-side comparisons, with color-coded line numbers indicating whether each line is added, deleted, or changed.

ExamDiff Pro can compare text and binary files, and directories.

ExamDiff,[1] from the same company, is a freeware program that compares text files.

[2]