PatchMyROM

GBA ROM Patcher

Game Boy Advance ROMs make up the largest share of ROM hacking activity out there. This patcher handles the formats they typically ship in, entirely in your browser.

IPSUPSBPS

Why GBA Dominates ROM Hacking

The Game Boy Advance sits in a comfortable middle ground: ROMs are large enough to support ambitious new content, but small enough that early, hobbyist hacking tools could actually work with them. That combination built one of the biggest and longest-running ROM hacking communities of any console, and it's still where a huge share of new hacks get released.

Step-by-Step

1

Start with a clean .gba file

Your own legally-dumped backup, unmodified by cheats, trainers, or a previous patch attempt.

2

Get the patch that matches it

Check the hack's page for the required region and revision before downloading anything.

3

Select both files below

The patcher reads the patch format automatically, whether it's IPS, UPS, or BPS.

4

Download and load it up

The output keeps the .gba extension so it drops straight into any GBA-compatible emulator.

Patch a GBA ROM now

Mistakes That Trip Up GBA Patching

Not checking the ROM revision first

GBA games often had multiple regional releases with slightly different data. A patch built for one revision can fail or misbehave on another.

Patching a ROM with an existing header or trainer attached

Some GBA dumps pick up extra bytes from the tool that created them. Start from a plain, unmodified dump whenever possible.

Mixing up patch formats between hacks

GBA hacks show up in IPS, UPS, and BPS depending on when and by whom they were made — the patcher detects this for you, so there's no need to guess.

Troubleshooting

Emulator shows a black or white screen after patching

Usually a base ROM mismatch. Re-check the exact region and revision the patch's documentation lists, not just the game title.

Learn more

Patch is rejected before it even applies

If the format is UPS or BPS, this means the checksum built into the patch doesn't match your file — a strong signal you have the wrong ROM version.

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Patched file plays but looks or sounds wrong

That's typically a hack-content issue once the patch has applied successfully — worth checking the project's own known-issues list.

Learn more

FAQ

All three of the common ones — IPS, UPS, and BPS — show up regularly. Older or smaller hacks lean IPS; newer or larger ones increasingly use BPS.
Not typically. GBA dumps are usually header-free by default, unlike some older cartridge-based systems that used copier headers.
The GBA's ROM size and hardware struck a balance that made it approachable for hobbyist development tools, and that drew a large, long-running hacking community.
Yes — since patching happens in the browser itself, it works on mobile browsers the same way it does on desktop.

Related Guides

ROM PatcherPatch a ROM file directly in your browser.IPS PatcherThe oldest, simplest format — still common for GBA hacks.BPS PatcherChecksum-verified patching, popular for newer GBA hacks.Pokemon ROM PatcherBase ROM reference for 50 popular GBA-era Pokemon ROM hacks.

Ready when you are — the patcher below reads GBA ROMs and IPS/UPS/BPS patches without any setup.

Open the ROM Patcher

Not sure which format your patch is? See how IPS, UPS, and BPS compare.

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