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XDELTA IPS
Not possible

Convert XDELTA to IPS

Can you convert XDELTA to IPS?
Verified by Adam B.· reviewed by FE Editorial ·updated Jul 30, 2026
QUICK ANSWER
Is it possible to convert XDELTA to IPS?
No - not a direct conversion.

There is no direct xdelta-to-IPS conversion. Apply the .xdelta to the original ROM to build the patched file, then use Lunar IPS to create an .ips by diffing the original against the patched ROM. Note IPS cannot represent changes on files larger than 16 MB.

No direct path
Also to IPS: GBA · GB · BPS

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Tested on macOS, Windows & Linux
Last verified Sep 2026

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Why convert XDELTA to IPS?

IPS is an old byte-level patch format with a hard size ceiling, while xdelta uses VCDIFF binary diffing with no such limit, so their internal structures don't line up. Producing an .IPS means regenerating the patch from the real game files, not converting the xdelta patch itself.

How to convert XDELTA to IPS

xdelta3 then Lunar IPS FREE

Apply the patch with xdelta3 -d -s original.rom patch.xdelta modified.rom, then in Lunar IPS choose Create IPS Patch and select the original then the modified ROM.

Delta Patcher then Lunar IPS FREE

Use Delta Patcher to apply the .xdelta and get the modified ROM, then create the .ips in Lunar IPS from the original and patched files.

Flips (IPS mode) FREE

Once you have the patched ROM, Flips can also create an IPS patch by diffing the clean original against the modified file.

About these formats

.XDELTA xdelta Differential File

An .xdelta file is a binary patch created by the xdelta tool that records only the differences between an original file and a modified version. It is not meant to be opened and read…

Open .XDELTA details →
.IPS International Patching System ROM Patch

An IPS file is a ROM patch - it holds only the byte changes needed to turn an original game ROM into a modified one (a fan translation, romhack, or bug fix). You apply it to a base ROM you…

Open .IPS details →

Quality & what to watch

  • IPS cannot patch files larger than 16 MB and has no checksum, so large ROMs or big changes may not be representable at all.
  • This is a rebuild via the patched ROM, not a direct format conversion of the xdelta file.
  • You must own the exact original ROM; both applying xdelta and creating the IPS depend on it matching byte-for-byte.

Frequently asked questions

Can I convert an xdelta patch into IPS directly?
No. You must apply the xdelta patch to the ROM first, then diff the original and patched files to make an IPS.
Why might an IPS patch not work here?
IPS cannot patch files larger than 16 MB and lacks checksums, so large ROMs or big changes may not be representable.
What tools create IPS patches?
Lunar IPS is the classic choice; Flips can also create IPS patches by comparing the original and modified files.
Do I need the original ROM?
Yes. Both applying the xdelta patch and creating the IPS require the exact unmodified original file.