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ROM Patcher
Apply patches to your ROM files locally in your browser
How to Use

Privacy First: All patching happens locally in your browser. Your ROM files are never uploaded to our servers. We do not provide ROMs—you must obtain them legally.

1. Upload ROM: Select your original ROM file. We'll calculate its hash to verify compatibility.

2. Upload Patch: Choose a patch file (.ips, .ups, .bps, .xdelta) from your device or search our database.

3. Apply & Download: Click "Apply Patch" to create the patched ROM and download it instantly.

💡 New to ROM hacking? Check out the "Walkthrough" section below for detailed instructions.

Select ROM Hack (Optional)
Search for a ROM hack to see available patch versions from our database
Upload ROM File
Select your ROM file (processed locally, never uploaded to server)

Supported: GB, GBC, GBA, NDS, 3DS, N64, NES, SNES

Upload Patch File
Upload your own patch file (.ips, .ups, .bps, .xdelta)

Supported: IPS, UPS, BPS, xdelta

Patching happens locally in your browser. Your ROM is never uploaded.