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Browser edition: files stay on your device. Up to 100 MB total and 10 minutes. First use downloads a 32 MB engine. Some formats depend on codec support. Public-link downloading is not ready on this free deployment.

What is an FLAC file?

Lossless compression for audiophiles: FLAC files are 40–60% smaller than WAV while keeping bit-perfect audio.

Pros

  • Bit-perfect, lossless quality
  • About half the size of WAV
  • Great tag support

Cons

  • Several times larger than MP3
  • Not supported by some Apple apps

How to open FLAC files

VLC, foobar2000 and most music players open FLAC. If your device won't play it, convert it to MP3.

Is FLAC lossy or lossless?

FLAC is lossless: it preserves every sample of the original recording. FLAC compresses losslessly, like a ZIP file for audio.

When should you convert FLAC?

Lossless compression for audiophiles: FLAC files are 40–60% smaller than WAV while keeping bit-perfect audio. If the app or device you need doesn't accept FLAC, convert it to MP3 — the most widely supported alternative.

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FLAC at a glance

Full name
Free Lossless Audio Codec
Developed by
Xiph.Org Foundation
Introduced
2001
Contains
FLAC (lossless)
MIME type
audio/flac
Best for
archiving CDs, hi-fi listening, music collections