Be extremely cautious when searching for "NeoDSConvert.exe new" or similar downloads. There is no official "commercial" version of this tool; it is a community-driven homebrew project.
: Run the executable. It will scan the folder and generate a corresponding .neo file for every compatible ROM found. neodsconvertexe new
: Some search results for this term lead to generic IP-based websites (e.g., 13.208.242.202) that may host outdated or untrusted files. Be extremely cautious when searching for "NeoDSConvert