FLAC File

What is a FLAC file?

A FLAC file is a lossless compressed audio format. It reduces file size compared to WAV but keeps the audio identical to the original—no data is removed like MP3. FLAC is popular for music libraries and archiving.

Common uses

• Archiving music in lossless quality
• High-quality playback on supported devices
• Distributing albums with full fidelity
• Converting from WAV without losing quality
• Tagging music with metadata and cover art

How to open a FLAC file

• Play: VLC, Foobar2000, and many modern players support FLAC
• Edit: Some DAWs support FLAC; otherwise convert to WAV for heavy editing
• Convert: Convert to MP3/AAC for maximum compatibility
• Tip: FLAC is great as a “master library” format

Common problems

• Older devices/apps don’t support FLAC
• Streaming platforms may require MP3/AAC instead
• Large libraries still take space (though less than WAV)
• Metadata display varies by player
• Corrupt files won’t decode cleanly

History

FLAC became widely used as a free, open, lossless audio format. It offered a practical compromise: smaller than WAV, but still bit‑perfect audio quality.