Using an online patcher is the easiest method because it works on any operating system (Windows, Mac, Linux, or even ChromeOS) without installation. 1. Find a Reliable Online Patcher

If you’ve ever fallen down the rabbit hole of fan translations, ROM hacks, or game mods, you’ve likely encountered an file. Traditionally, using these required downloading specific software like xDelta UI or DeltaPatcher. However, the modern way to do it is much faster: you can now apply xdelta patches online directly through your browser.

Ensure your original file isn't zipped. If you have a .zip or .7z file, extract it first to get the raw file.

In the emulation community, sharing patches is legal, whereas sharing the original copyrighted game files (ROMs) is not.

Click on the or "Original file" button. This is the "clean" version of the file you want to modify (e.g., a .bin , .iso , or .nds file). 3. Upload the xDelta Patch

Click The tool will process the changes and automatically trigger a download of the new, patched file.