nca-to-nsp

A utility to package NCA files into a NSP using the PFS0 format.

This tool works by:

1. Reading the specified NCA files
2. Creating a PFS0 header
3. Combining the header with the NCA files into a single NSP file

Installation

Prerequisites

• Go 1.24.2 or higher

Building from source

git clone https://github.com/yourusername/nca-to-nsp.git
cd nca-to-nsp
go build -o nca-to-nsp ./cmd/nca-to-nsp

Usage

Basic usage:

nca-to-nsp -o <output-file.nsp> file1.nca [file2.nca ...]

Command-line Options

Flag	Default	Description
-o	out.nsp	NSP output file name
-buffer	4096	Buffer size for file copying operations
-progress	false	Show progress bar
-h	false	Display help information
-v	false	Display version information

Example

Create an NSP file from NCA files with progress bar enabled:

./nca-to-nsp -o out.nsp -progress path/to/dir/*.nca

License

BSD-3-Clause, see LICENSE for more information.

Acknowledgments

• nspBuild for inspiration on how to pack NCAs into NSP.