.3ds To .cia Converter [2021] -

: Extremely fast; no PC required; handles decryption automatically.

: An older but user-friendly Windows utility with a GUI. It’s great for those who aren't comfortable with command-line scripts. .3ds to .cia converter

Because step 2 requires cryptographic keys tied to each original cartridge, . : Extremely fast; no PC required; handles decryption

Copy all your .3ds files into the Input folder. : Extremely fast