: This stands for Nintendo Submission Package. This is the actual file format used by the Nintendo Switch for digital games, updates, and downloadable content (DLC).

Some gamers might opt for homebrew tools or firmware modifications on their Nintendo Switch to enable the installation of NSP files. These methods can offer more flexibility but come with risks and may void warranties.

If you have a RAR file that you want to use as an NSP, it is almost certainly because the NSP file is trapped inside the RAR archive How to Get Your NSP File Instead of a converter, you simply need a decompressor to extract the contents. Download a tool: Use a trusted, free extraction tool such as Extract the file: