Z64 To Iso Link
Switch emulators (Ryujinx, Yuzu) use NSP or XCI formats (Switch cartridge dumps). N64 games on Switch (via NSO) are repackaged with a custom emulator. You cannot convert Z64 to work natively on a Switch without hacking and homebrew.
Converting a file (a Nintendo 64 ROM) directly into an file (an optical disc image) is technically possible but generally unnecessary for standard emulation. While a .z64 file contains the data of a cartridge-based game, an .iso is typically used for disc-based media like PlayStation or GameCube titles. Can You Convert .z64 to .ISO? z64 to iso