Repository navigation
Glossary
DeLFuS77 edited this page Oct 19, 2026
·
1 revision
The words of the Switch scene the app uses, in plain words.
| Term | Meaning |
|---|---|
| NSP | Nintendo Submission Package: the format of the eShop. One file holds a game, an update or a DLC (or several, see SuperNSP) |
| NSZ | An NSP whose content is compressed, 10 to 60% smaller. Installers such as DBI and Tinfoil install it directly |
| XCI | A dump of a game card (cartridge) |
| XCZ | A compressed XCI |
| Split file | A game cut in parts of 4 GB (00, 01... in a folder, or .ns0, .xc0...) for FAT32 cards; read like one file |
| SuperNSP / pack | One NSP with several titles: a game with its update and DLC. The app makes them (complete packs) and splits them |
| NCA | A part of a game inside an NSP or XCI: the program, the data, the icons, the manual. Named after its content ID |
| NCZ | A compressed NCA, inside an NSZ or XCZ |
Ticket (.tik) and certificate (.cert) |
The rights to play a game bought in the eShop. A game card has none |
| Delta fragments | Parts of an update that turn the previous update into the new one. Not needed to install the full update; complete packs leave them out |
| Term | Meaning |
|---|---|
| Title ID | The 16-digit ID of a game, like 0100000000010000. Its update ends in 800; its DLC are the ID + 1000 + their number |
| Base | The game itself, version 0 |
| Update (UPD) | A newer version of a game. Its version is a number such as 65536 (1st update), 131072 (2nd)... on the console shown as 1.0.1, 1.1.0... |
| DLC | Downloadable content: an extra of a game, with its own title ID |
| CNMT | The metadata of a title inside its package: its ID, version, type and the NCAs it is made of |
| Build ID | The ID of the program of one version of a game. Cheats are made for a build ID |
| Rights ID | The ID of the rights of a title (the title ID and the key generation), the name of its ticket |
| Region | The eShop a game comes from (US, EU, JP...). The same game from two regions has two title IDs |
| Term | Meaning |
|---|---|
| prod.keys | The keys of your console, dumped from it. The app uses them to read and compress your files |
| title.keys | The keys of the games you bought, dumped together with prod.keys; only needed to compress games without a ticket |
| Firmware | The system version of the console. A game made for a newer firmware needs keys dumped from that firmware |
| Atmosphère | The custom firmware most installers and cheats run on |
| DBI, Tinfoil | Installers that run on the console and install NSP, NSZ, XCI and XCZ |
| JKSV | A save manager on the console; the app keeps its backups (Save vault) |
Free and open source under the AGPL-3.0. No keys, games or copyrighted content are included or downloaded. Disclaimer