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WinMerge is a free software , open source tool for file comparison and merging text-like files. It is useful for determining what has changed between versions, and then merging changes between versions.
WinMerge runs on Microsoft Windows .
Features
Visual differencing and merging of text files.
Flexible editor with syntax highlighting, line numbers and word-wrap.
Handles DOS, UNIX and MAC text file formats .
Unicode support. (As of version 2.8.0, UTF-8 files are correctly read without a BOM .)
Difference pane shows current difference in two vertical panes.
Location pane shows map of files compared.
Highlights differences inside lines in file compare.
Regular Expression based file filters in directory compare allow excluding and including items.
Moved lines detection in file compare.
Ability to ignore whitespace and letter case changes.
Creates patch files.
Shell Integration (supports 64-bit Windows versions).
Rudimentary Visual SourceSafe and Rational ClearCase integration.
Archive file support using 7-Zip .
Plug-ins.
Language localization via plain-text PO files .
Online Manual and installed HTML Help manual.
See also
External links