About misshexa66/OunceCake
misshexa66/OunceCake is an open-source project on GitHub, mainly written in JavaScript. Tool to dump unencrypted romFS and exeFS for Switch 2 games It currently holds 485 stars and 56 forks with 6 open issues, and was last pushed on 2026-10-25 (repository created 2026-10-25).
Project Overview
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GitHub Repository Details
README
OunceCake
(ozdumptool if you're lame and boring)
Tool to dump unencrypted romFS and exeFS for Switch 2 games, updates and DLC.
Supports digital games, game cards, Switch 2 Editions, etc.
Disclaimer
For the love of God, do NOT share any files you rip using this tool. It is to be used with ONLY your own games on your OWN system. This tool doesn't provide system keys or any method to decrypt files. The files are loaded normally by the system, then pulled over FTP.
Usage
0. Take note of your Switch 2's local IP address. It can be found in the network settings.
1. Clone the repo: ``` git clone https://github.com/misshexa66/OunceCake.git ```
2. Use kurumuz's fork of the ns2jb exploit to get an RPC connection with the system. Use node run.cjs --rpc.
3. Run node ouncecake.cjs . The output from ns2jb will tell you where this path is. (Run folder: /home/hexa/projects/ns2jb2/runs/switch2-Icu7Jd)
4. OunceCake will prompt you to pick a game. Pick one, then wait.
5. When OunceCake says FTP up! ftp://:2121, use an FTP client to connect to your Switch 2's local IP address with port 2121. A username and password is not required. (Make sure your FTP client has its transfer mode set to Binary/Image/TYPE I.)
Licensing
OunceCake is licensed under the terms of the GPLv2 (because it borrows a tiny bit of code from Atmosphere)
You can find a copy of the license in the LICENSE file.