Master File and Folder Comparison with WinMerge: Features and Usage Guide
WinMerge is a free, open-source Windows tool that compares files, folders, and images, highlights differences, supports three-way merges, integrates with version control, and offers features like regex filtering, shell integration, and customizable options, making file comparison and merging straightforward.
WinMerge is an open-source diff and merge tool for Windows that can compare files and folders and display differences in an easy-to-understand visual text format.
Software Features
WinMerge is useful for identifying changes between project versions and merging those changes. It can be used as an external diff/merge tool or as a standalone application.
Software Functions
General
Supports Windows XP and later
Handles Windows, Unix and Mac text file formats
Unicode support
Tabbed interface
File Comparison
Three-way file comparison
Visual diff and merge for text files
Flexible editor with syntax highlighting, line numbers and word wrap
Highlight differences within lines
Diff pane shows current difference in two vertical panes
Location pane shows mapping of compared files
Moved line detection
Folder Comparison
Regex-based file filters for include/exclude
Quick compare by file size and date
Compare a folder or include all subfolders
Results displayed in a tree view
Three-way folder comparison
Image Comparison
Supports multiple image types
Highlights block differences
Overlay images
Version Control
Create patch files (normal, context, unified)
Resolve conflicted files
Other
Shell integration (supports 64-bit Windows)
7-Zip archive support
Plugin support
Localized interface
Online help and installed HTML help manual
After extracting the archive, double-click WinMergeU.exe to start.
To show the file/folder selection dialog at startup, go to Menu → Edit → Options, check “Show file/folder selection dialog at startup” under General, click OK, then restart the program.
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