.XDELTA File Extension

.XDELTA File Extension

File Type

xdelta Differential File

Developer Joshua McDonald
Popularity
3.0  |  1 Votes
Category Data Files
Format Binary

What is an XDELTA file?

An XDELTA file is a differential file produced by xdelta, a command line delta encoding tool. It contains binary data that represents the difference between two files. XDELTA files are often used to patch video games with unofficial mods.

More Information

In 1997, developer Joshua MacDonald released the first version of xdelta. Xdelta allows users to input two files and create an XDELTA file, which maps the differences between the input files.

This can be useful if, for example, a user wants to create a patch file that contains the modifications they've made to a commonly-used file. To create their patch file, the user can enter the original file and their modified file in xdelta. Xdelta will then produce an XDELTA file that maps the files' differences.

Other users can then use the XDELTA file (and xdelta) to transform their copy of the common file into a copy of the modified file. This is one way that video game modders distribute and install mods, since distributing only the modifications they've made to a game allows modders to circumvent restrictions on copying and distributing copyrighted game material.

How do I open an XDELTA file?

XDELTA files are not meant to be opened. If you want to use an XDELTA file to patch a game or other file, you can do so using xdelta (cross-platform) or xdelta UI (Windows).

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Programs that open XDELTA files

Windows
Free
Mac
Free
Linux
Free
Updated July 7, 2021

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