YouTube officially supports and even prefers FLAC or uncompressed WAV for content creators.
Before you start downloading, it's important to understand the source. The Technical Limit: YouTube primarily streams audio in AAC or Opus yt flac
There are actually two legitimate ways "YT" and "FLAC" go together: Uploading: If you are a creator, YouTube Help recommends uploading in FLAC YouTube officially supports and even prefers FLAC or
Why, then, does the search query persist with such vigor? The answer lies in access and scarcity. For many listeners, especially in regions where streaming services are expensive or content is geographically restricted, YouTube functions as the world’s free jukebox. It hosts obscure vinyl rips, out-of-print albums, fan-edited remasters, and live performances never officially released. Faced with the choice of paying for a high-resolution download that doesn't exist or "upgrading" a free YouTube stream to a pseudo-FLAC file, pragmatism often wins over purism. The practice is driven by the plausible, if flawed, hope that a larger file size automatically means higher quality. It is a placebo effect, wrapped in a technical misunderstanding, fueled by a genuine love of music. The answer lies in access and scarcity