KDiff3

0.9.98 Merge and diff tool for Windows

Software utility functioning as a text comparison tool, helping you discover relevant differences - Screenshot of KDiff3
Intuitive text comparison tool - Screenshot of KDiff3
Free Software to Merge Two or More Text Input Files - Screenshot of KDiff3
Great app for discover relevant differences and similarities - Screenshot of KDiff3
Diff and merge free software - Screenshot of KDiff3
User interface - Screenshot of KDiff3
KDiff3 screenshot
KDiff3 screenshot
KDiff3 screenshot
KDiff3 screenshot

Seamless comparison of files and folders for more accurate results.

KDiff3 is a free and open source text comparison app and file organizer developed by Joachim Eibl for Windows. It's efficient, user friendly, easy-to-use, reliable and customizable.

The download has been tested by an editor here on a PC and a list of features has been compiled; see below. We've also created some screenshots of KDiff3 to illustrate the user interface and show the overall usage and features of this text comparison program.

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Text analysis software to spot differences between files and lines

KDiff3 is a free and open source graphical text difference analyzer for up to 3 input files.

This free utility can compare and merge both files and directories and it can automatically merge version control changes. It supports syntax highlighting and can detect moved lines, making it easier to identify and resolve differences.

The utility provides character-by-character analysis and a text merge tool with integrated editor. It can also compare and merge directories.

Features of KDiff3

  • Auto-Merge: Automatically merges content where there is no conflict.
  • Bookmarking: Bookmarks and tags important positions in files.
  • Conflict Resolution: Resolves conflicts between input files with an easy-to-use interface.
  • Directory Comparison: Compares directory structure and file contents.
  • Fuzzy-Matching: Matches similar lines even when they are not exactly the same.
  • Line Filtering: Ignores certain lines or patterns when comparing files.
  • Merge: Compares and merges two or three input files or directories.
  • Plug-in Support: Can be customized with plug-ins and scripts.
  • Regular Expression Support: Uses regular expressions for advanced comparison.
  • Reporting: Generates HTML reports of file comparisons.
  • Syntax Highlighting: Highlights differences between files using configurable colors.
  • Unicode Support: Supports Unicode encoded files.
  • Version Control: Interfaces with CVS, Subversion and other version control systems.
  • WebDAV Support: Compares WebDAV resources.

Compatibility and License

KDiff3 is available for free and released under the open source GPLv2 license on Windows from file organizer software. The license provides the options to freely download, install, run and share this program without any restrictions. The source code for KDiff3 should be freely available and modifications are certainly permitted as well as the option to inspect the software.

What version of Windows can KDiff3 run on?

KDiff3 can be used on a computer running Windows 11 or Windows 10. Previous versions of the OS shouldn't be a problem with Windows 8 and Windows 7 having been tested. It comes in both 32-bit and 64-bit downloads.

Other operating systems: The latest KDiff3 version from 2024 is also available for Mac.

Filed under:
  1. KDiff3 Download
  2. Free File Organizer Software
  3. Open source and GPL software
  4. Text Comparison Software
KDiff3 has been picked by our editors as OK software.
KDiff3 has been tested for viruses and malware.
We have tested KDiff3 0.9.98 against malware with several different programs. We certify that this program is clean of viruses, malware and trojans.