Convert AC3 to FLAC

Convert AC3 files to FLAC format online for free. No upload required, 100% private.

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AC3FLACQuality Note

Converting from AC3 (lossy) to FLAC (Lossless) will increase file size but will NOT improve audio quality. The quality lost during the original compression cannot be recovered.

About AC3

AC3

Dolby Digital Audio Codec 3

AC3 (Dolby Digital) is a surround sound audio format commonly used in DVDs, Blu-rays, and digital television broadcasting.

Extension
.ac3
Developed By
Dolby Laboratories
Released
1991
Compression
Lossy

Typical Use Cases

DVD audioBlu-rayDigital TVHome theater

Pros

  • • Surround sound support
  • • Industry standard for video
  • • Good compression

Cons

  • • Lossy compression
  • • Requires licensing
  • • Not for music distribution

About FLAC

FLAC

Free Lossless Audio Codec

FLAC is a lossless audio format that compresses audio without any quality loss. It is the preferred format for audiophiles and music archival.

Extension
.flac
Developed By
Xiph.Org Foundation
Released
2001
Compression
Lossless

Typical Use Cases

Music archivalHi-Fi audioAudio editing sourceAudiophile collections

Pros

  • • Lossless compression
  • • Smaller than WAV
  • • Open source
  • • Good metadata support

Cons

  • • Larger than lossy formats
  • • Not universally supported
  • • Some devices incompatible