What is WinMerge?

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WinMerge is an Open Source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.

Screenshot

See the screenshots page for more screenshots.

Features

WinMerge is highly useful for determining what has changed between project versions, and then merging changes between versions. WinMerge can be used as an external differencing/merging tool or as a standalone application.

In addition, WinMerge has many helpful supporting features that make comparing, synchronising, and merging as easy and useful as possible:

General

Mac Compare Two Files

• Supports Microsoft Windows XP or newer
• Handles Windows, Unix and Mac text file formats
• Unicode support
• Tabbed interface

File Compare

• 3-way File Comparison New!
• Visual differencing and merging of text files
• Flexible editor with syntax highlighting, line numbers and word-wrap
• Highlights differences inside lines
• Difference pane shows current difference in two vertical panes
• Location pane shows map of files compared
• Moved lines detection

File Compare Tool For Mac

Folder Compare

• Regular Expression based file filters allow excluding and including items
• Fast compare using file sizes and dates
• Compares one folder or includes all subfolders
• Can show folder compare results in a tree-style view
• 3-way Folder Comparison

Image Compare New!

• Support many types of images
• Can highlight the differences with blocks
• Overlaying of the pictures is possible

Table Compare New!

• Shows CSV/TSV file contents in table format
• Text can be wrapped for each column

Version Control

• Creates patch files (Normal-, Context- and Unified formats)
• Resolve conflict files

Other

• Shell Integration (supports 64-bit Windows versions)
• Archive file support using 7-Zip
• Plugin support
• Localizable interface
• Online manual and installed HTML Help manual

WinMerge 2.16.8 - latest stable version

WinMerge 2.16.8 is the latest stable version, and is recommended for most users.

Project News

• WinMerge 2.16.4 (stable) released2019-08-02
• WinMerge 2.16.2 (stable) released2019-04-04
• WinMerge 2.16.0 (stable) released2018-11-27
• A sign of life from WinMerge2018-01-29
• WinMerge 2.14.0 (stable) released2013-02-03

Support

Mac Directory Compare Utility

If you need support, look at our support page for more information how you can get it.

Developers

WinMerge is an open source project, which means that the program is maintained and developed by volunteers.

In addition, WinMerge is translated into a number of different languages. See our information on translating WinMerge into your own language.

Here's how it works

Select the two files you want to compare and start the comparison. A few seconds later, you will see the differences between the two files.

Not only supports PDF

Your files do not necessarily have to be PDFs. This app supports all files that our system can convert to PDF. The conversion to PDF is done automatically.

Ease of use

PDF24 makes it as easy as possible for you to compare documents. You don't need to install or set up anything, just select your files.

Supports your system

There are no special requirements for comparing two files on your system. This app works with all major operating systems and browsers.

No installation required

You do not need to install any software. The files are compared on our servers. Your system does not require any special requirements.

Security is important to us

Our file comparison tool does not store your files longer than necessary. Your files and results will be removed from our server after a short time.