Use this moudle to convert ncm file to mp3 file.
Convert ncm to mp3 or flac
Node.js library of nemassler, which to transform .ncm audio files to .mp3
Decrypt Netease Cloud Music NCM files to their original audio format (MP3/FLAC/M4A). Rust CLI with tags, cover art, filename templates, per-song folder mode, parallel batching, watch mode, shell completions, and bilingual EN/ZH UI.
Decrypt Netease Cloud Music NCM files. Parses the container format, applies the AES-128-ECB metadata/key decryption and the NCM-specific RC4-variant stream cipher, and streams the original audio (MP3/FLAC/M4A/...) to any Write. No network, no transcoding.