You cannot recreate audio data that YouTube’s compression already deleted. Why Convert to FLAC Anyway?
Here are the best tools currently available for extracting the highest quality audio from YouTube. 1. yt-dlp (The Gold Standard)
To clarify: . YouTube streams audio using lossy codecs (primarily Opus , AAC , and MP4A ). Any “FLAC” claiming to be from YouTube is either a transcode (re-encoded from a lossy source) or a re-upload of a true FLAC that originated elsewhere (e.g., a CD or Bandcamp).
trust online converters claiming to give you "Studio Quality 24-bit FLAC" from a YouTube link.
FLAC files are significantly larger than MP3s. Ensure you have adequate storage space.
A specialized downloader that can grab true FLAC from lossless streaming services like Tidal or Amazon Music.