rom mri — free browser tool | fatcousin

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drop any retro rom · auto-detect console · header parser · entropy heatmap · string extractor · checksum · runs locally

drop rom

Drop any ROM file

.nes .sfc .smc .gb .gbc .gba .z64 .v64 .n64 .md .sms .gg .bin

Select file

status

drop a rom file to begin analysis

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.