Navigate to a reliable tool like Web-Xdelta.

The browser will process the binary data locally. Within a few seconds to a minute (depending on the file size), a download prompt will appear. Save the newly generated file to your desired location. Troubleshooting Common Errors

What you are trying to patch (e.g., a game ROM, a zip archive, an ISO image)

Bookmark a trusted open-source XDelta Web Patcher from GitHub. Avoid "free online converters" that ask for uploads. Keep your patches local, but your tools in the cloud.

If you prefer to use a desktop tool, you can download and install an xdelta patch applicator software. Here's how:

Online patchers work perfectly on Windows, macOS, Linux, ChromeOS, and even Android or iOS mobile devices.