edit sega genesis mega drive rom header · titles · region · console name · auto-recompute checksum · download · runs locally
[drop rom]
drop a genesis / mega drive rom
.md / .bin / .gen / .smd
[status]
drop a sega genesis / mega drive rom to edit its header
[notice]
you supply your own files. fatcousin does not host, link to, or recommend sources for rom files, bios files, or copyrighted game data. this tool is for preservation, modding, research, and education with files you lawfully possess. all processing runs in your browser — files never leave your device.