Open NSP files in your browser
The package a Nintendo Switch game, update or DLC is installed from. Open one right here to see what it is and what it holds, never decrypted. Nothing leaves your device.
Or drop it anywhere on this page
What you'll see
Your title opens on a page of its own, with what it is and every part it holds.
- What it is • From the headers it keeps
- Every part • With its size
- Never decrypted • What's locked, said plainly
- Nothing in it runs • Read, never installed
About NSP
NSP, Nintendo Submission Package, is how the Switch's eShop titles are packaged: one game, update or piece of DLC, as installers and emulators take it.
An NSP is a PFS0, a plain list of files: NCA parts, the title's encrypted contents, with a ticket and a certificate. The title ID says whether it's a base game, an update or DLC, and the ticket's key generation the firmware it needs.
Filepeek lists the files like a folder and reads the ticket into a page with the title ID, what kind of title it is, its base game and the firmware it needs. Its name and icon sit inside the encrypted NCAs, so they stay unknown: Filepeek carries no console keys and takes none.
Nintendo Submission Package
.nsp
Format
- MIME type
- application/octet-stream
- Made by
- Nintendo
Inside the file
- Container
- PFS0
- Parts
- NCA files, encrypted
- Also
- A ticket and a certificate
- Title ID
- Game, update or DLC
Opens in every browser
No browser opens an NSP: they download it. Filepeek opens it as a folder with its page in Chrome, Edge, Firefox and Safari.
- YouChromeOpens through Filepeek
- YouEdgeOpens through Filepeek
- YouFirefoxOpens through Filepeek
- YouSafariOpens through Filepeek
Questions
How do I see what's in an NSP file?
Drop it on this page or choose Peek an NSP. Its parts are listed like a folder, with a page beside them on its title ID, what kind of title it is and the firmware it needs.
Why doesn't it show the game's name?
A Switch title keeps its name and icon inside its NCAs, encrypted with keys only a console keeps. Filepeek never decrypts them.
Is my file uploaded?
No. It opens inside your browser and never leaves your device.