ExamDiff Pro

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.

Features

 * Comparison of text files, binary files, and directories
 * Three- and two-way diff and merge
 * Table comparison
 * File list comparison
 * Difference highlighting to the level of lines, words or characters.
 * Syntax highlighting
 * Fuzzy line matching
 * Ability to recognize moved text blocks
 * Manual synchronization
 * Shell integration in 32-bit and 64-bit Windows
 * File editing within file comparison panes
 * Support for copying, renaming, and deleting files or directories
 * Unix, HTML, and printed diff reports
 * Simple and regular expression search
 * Extensive command line interface
 * Ability to ignore capitalization, white space, and comments
 * Word wrapping
 * Plug-in support
 * Drag and drop support
 * Creation of directory snapshots for later comparison
 * Unicode support
 * XML support

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