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.ac3 Dolby Digital (AC-3)

AC3 Converter

AC3 is Dolby Digital surround sound, used on DVDs, Blu-rays and TV broadcasts. It supports up to 5.1 channels.

  • No upload — 100% private
  • Fast, lossless when possible
  • Free & unlimited
  • Works on iPhone & Android

    Quality
    Advanced options
    Trim (optional)
    Use minutes:seconds, e.g. 1:05.5

    AC3 at a glance

    Full nameDolby Digital (AC-3)
    TypeAudio
    CompressionLossy (compressed)
    Developed byDolby Laboratories
    Introduced1991
    File extension.ac3
    Plays on iPhone◐ Partly / with an app
    Plays on Android◐ Partly / with an app
    Plays on Windows✓ Yes
    Plays on Mac✓ Yes

    AC3 is best for home theatre and surround sound.

    Convert AC3 to…

    AC3 to MP3AC3 to M4AAC3 to M4RAC3 to AACAC3 to ALACAC3 to WAVAC3 to FLACAC3 to OGGAC3 to OPUSAC3 to WEBAAC3 to WMAAC3 to AIFFAC3 to CAF

    Convert to AC3 from…

    MP3 to AC3M4A to AC3M4R to AC3AAC to AC3ALAC to AC3WAV to AC3FLAC to AC3OGG to AC3OPUS to AC3WEBA to AC3WMA to AC3AIFF to AC3CAF to AC3AMR to AC33GA to AC3APE to AC3MP4 to AC3MOV to AC3MKV to AC3WEBM to AC3AVI to AC3FLV to AC3WMV to AC33GP to AC3M4V to AC3MPG to AC3TS to AC3GIF to AC3MTS to AC3VOB to AC3HEVC to AC3RMVB to AC3

    Frequently asked questions

    What is a .ac3 file?
    AC3 is Dolby Digital surround sound, used on DVDs, Blu-rays and TV broadcasts. It supports up to 5.1 channels.
    How do I open a AC3 file?
    On a computer, VLC Media Player opens almost any .ac3 file. On phones, the quickest fix is to convert it to MP3 or M4A above. Those formats play in every music app.
    Can I convert AC3 for free?
    Yes. The converter on this page is free and unlimited, and it works without uploading anything.