Item description:

Basic information
Example uses
Watch a video demonstration
See some screenshots
Extra tools

fuse-3ds is the best and most efficient way to extract data for Nintendo 3DS games and NANDs. It works by presenting a virtual filesystem with the contents of your games, NAND, or SD card contents, and you can browse and copy out just the files that you need.

This download contains an executable for 64-bit Windows. For usage on macOS, Linux, and 32-bit Windows, please see the GitHub repository. Windows 7 or later is required.

On Windows, WinFsp must be installed.

For detailed usage on the Windows GUI, see the tutorial thread.

Interested in filling out a quick survey on how you use fuse-3ds? Click here!

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Mount a NAND backup and browse CTRNAND, TWLNAND, and others, and write back to them without having to extract and decrypt them first.
Browse decrypted SD card contents. Dump installed games and saves, or copy contents between two system's SD contents.
Extract a game's files out of a CIA, CCI (".3ds"), NCCH, RomFS, raw CDN contents, just by mounting them and browsing its files. Or use the virtual decrypted file start playing the game in Citra right away.

Want to see a video demonstration? Here is one with Pokémon Ultra Moon, using fuse-3ds v1.0.

In this short video, I show that the CIA is encrypted, then I use fuse-3ds to mount it and browse its contents in Windows/File Explorer. I can also use the decrypted.cxi file to immediately start playing it in Citra.

(Note that slowness is due to the virtual machine, speed would be faster on a normal computer!)

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Root of a CIA mounted at F:


Root of an NCCH mounted at A:


Root of a NAND backup mounted at E:\NAND

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Windows users can use OSFMount to browse the FAT12/FAT16 partitions of the NAND. macOS can use the built-in DiskImageMounter, or hdiutil from Terminal.
On Windows, make sure you choose a directory, not a drive letter. On macOS/Linux, enable allow_root or allow_other.
3ds-save-tool can be used to extract data from DISA and DIFF files (savedata and extdata).
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