ROM Patcher
Apply patches to your ROM files locally in your browser
Walkthrough: ROM Hacking 101
Complete guide to patching ROM hacks for beginners
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.