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Strictly speaking, you cannot get "true" FLAC from YouTube because YouTube does not stream FLAC. YouTube compresses all audio using lossy codecs (AAC, Opus, or MP4a). FLAC is a container. If you convert a 128kbps YouTube AAC file to FLAC, you don’t get CD quality; you get a bloated, lossy file in a lossless wrapper.
However, when audiophiles search for "yt flac best," they actually mean: "How do I get the highest possible, bit-perfect extraction from YouTube to convert into a FLAC container without further generational loss?"
Let’s walk through a real-world example. You want the song "Blinding Lights" by The Weeknd as the best possible FLAC from YouTube. yt flac best
Step 1: Find the Optimal Video
Step 2: Extract with yt-dlp Open terminal (Command Prompt on Windows, Terminal on Mac/Linux). Strictly speaking, you cannot get "true" FLAC from
yt-dlp -F https://www.youtube.com/watch?v=exampleID
This lists all available formats. Look for the line with audio only and the highest bitrate (usually 140 for m4a at 129kbps or 251 for webm at 160kbps).
yt-dlp -f 251 -x --audio-format flac https://www.youtube.com/watch?v=exampleID
Step 3: Analyze the Output
Open the resulting .flac file in Spek. You will see: Step 2: Extract with yt-dlp Open terminal (Command
Step 4: Tag and Enjoy
Because you used yt-dlp, metadata (title, artist, thumbnail) is often preserved. Use MusicBrainz Picard to add perfect tags and album art.
Result: You now have a ~15-20 MB FLAC file that is, for all portable and casual listening purposes, audibly identical to a CD. This is the best yt flac you can achieve.
Several tools and online services can convert YouTube videos to FLAC. Here are some of the best options:
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