Compares and merges 2 or 3 files or directories
Publisher’s description
What is KDiff3?
KDiff3 by KDE e.V. is open-source Windows software.
Installation and requirements
The publisher provides MSIX installers for 64-bit Windows. It needs Windows 10 1511 or newer. A silent install is possible with the installer’s documented switches.
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
Cons
- No native ARM64 build
- The official download link did not answer at the last check
In short: KDiff3 is an open-source Windows tool for 64-bit PCs. Administrators can deploy it unattended.
Is KDiff3 safe to download?
- The file is served by cdn.kde.org, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
61047484F6AD4A42C06B50C3EE4D591A3CE4075A13B66C40C139CB521BC3C7CE· Open the VirusTotal report for this hash - The link did not answer when we last checked it (October 22, 2026)
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 1.1270.2094.0Latest | January 5, 2026 | — | 64-bit MSIX |
Install from the command line
Silent install ›winget install --id KDE.KDiff3.AppX -eAdd-AppxPackage -Path kdiff3-master-2094-windows-cl-msvc2022-x86_64-sideload.appxGet-AppxPackage -Name KDEe.V.KDiff3 | Remove-AppxPackageRelated guide: How to use winget: install and update apps
Information
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is KDiff3 free?
Yes. KDiff3 is open-source software under the GPL-2.0-or-later licence.
Is KDiff3 safe to download?
The download comes from cdn.kde.org, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install KDiff3 with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can KDiff3 be installed silently?
Yes. The silent install page lists the exact command for each installer.
Which Windows versions does KDiff3 support?
The installer requires Windows 10 1511 or newer and is available for 64-bit.
Does KDiff3 run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
