Crucial files like prod.keys or title.keys that your software needs to decrypt game data.
If your prod.keys are outdated, the conversion will fail, or the resulting NSP will not install on newer system firmwares.
This is a command-line tool that is widely trusted. While it runs in a terminal, it is very stable. It converts XCI (or split XCI bins) to NSP.
Converting files to .nsp format is a process used within the Nintendo Switch homebrew community to package data—often raw game dumps or homebrew applications—into a format that the console can install and recognize on its home menu. Core Conversion Tools bin to nsp updated
The most efficient desktop tool for this is . 1. Set Up Encryption Keys
The standard digital format used by the Nintendo eShop. It is natively installable to the Switch system memory or SD card.
Disclaimer: This guide is intended for educational purposes and for users managing backups of games they legally own. Crucial files like prod
To ensure a successful conversion without corrupting your files, gather the following tools and assets beforehand: 1. The Right Software
Using outdated keys (e.g., from FW 13.0.0) on a new game released in 2024 will result in a Ticket decryption failed error.
Here's a general outline of the conversion process: While it runs in a terminal, it is very stable
The tool will combine them, ensuring the game is updated to the latest version. 3. Decrypting Old Files
The effectiveness of your conversion depends entirely on using the correct, up-to-date tool. The scene has matured, and several standout utilities can handle your needs in 2026.
As of early 2026, several reliable tools handle these conversions and packaging tasks: