Yes. Deemix, armed with a valid HiFi ARL and configured for Extra Quality, is arguably the most efficient lossless music downloader ever created. It preserves the original bits, organizes your library, and gives you freedom from the streaming subscription chain.
ARL stands for Account Role Link (or simply a session token). In technical terms, it is a long string of characters stored in your browser’s cookies when you log into a specific music streaming service. It tells the server, "This user is logged in and has specific permissions."
Unlike a screen recorder or an audio capture tool, Deemix downloads the original file served by the streaming platform. If the platform serves a 16-bit/44.1kHz FLAC, Deemix downloads that exact FLAC.