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Xdelta vs xDelta3 Cross GUI: catalog facts
Xdelta	xDelta3 Cross GUI
Best for: Creating and applying binary patches to large files	Best for: Creating xDelta3 patch files without using the command line
Free Free and open source under the Apache 2.0 licence.	Free Free and open source under the Apache 2.0 licence.
Windows, Command line	Windows, macOS, Linux
Produces compact binary patches between file versions Uses the standard VCDIFF format from RFC 3284 All 4 strengths for Xdelta Produces compact binary patches between file versions Uses the standard VCDIFF format from RFC 3284 Available as both a CLI tool and a C library Actively maintained	Graphical interface for xDelta3 patch creation Same tool on Windows, Linux and macOS All 4 strengths for xDelta3 Cross GUI Graphical interface for xDelta3 patch creation Same tool on Windows, Linux and macOS Interface is localized Actively maintained repository
Command-line only, with no graphical interface Building from source requires CMake	Focused on xDelta3 patches only No releases are published on the GitHub repository page
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: Apache-2.0
No account needed	No account needed
Offline features available	Offline features available
Official website Full listing and sources Sources for Xdelta github.com/jmacd/xdelta Catalog checked October 2, 2026	Official website Full listing and sources Sources for xDelta3 Cross GUI github.com/dan0v/xdelta3-cross-gui Catalog checked October 2, 2026

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