n64 byte-order converter — free browser tool | fatcousin

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detect and convert n64 rom byte order — z64 · n64 · v64 · runs locally

drop rom

drop n64 rom

.z64 · .n64 · .v64 — any Nintendo 64 ROM image

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drop an n64 rom file (.z64 · .n64 · .v64)

byte-order reference

formatheader bytesdescription

Z6480 37 12 40big-endian — native MIPS order. the canonical format.

N6440 12 37 80little-endian — 32-bit byte-swapped. rare, some old tools.

V6437 80 40 1216-bit byte-swapped. Doctor V64 cartridge device format.

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.