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Convert M4V to AC3

Extract the audio from M4V videos and save it as AC3 — ideal for home theatre and surround sound.

  • 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

    How to convert M4V to AC3

    1. 1

      Tap Choose files and select one or more M4V files (or drag them in).

    2. 2

      Check that AC3 is selected. Use Advanced options for bitrate, channels or trimming.

    3. 3

      Press Convert. Everything happens on your device — no upload, no waiting in a queue.

    4. 4

      Your AC3 downloads automatically. Converting several files? Grab them all as a ZIP.

    M4V vs AC3

    Only the sound is kept — the picture is dropped, so the AC3 file is far smaller than the M4V video.

    M4VAC3
    Full nameiTunes VideoDolby Digital (AC-3)
    TypeVideoAudio
    CompressionLossyLossy
    Developed byAppleDolby Laboratories
    Introduced20031991
    Plays on iPhone✓ Yes◐ Partly / with an app
    Plays on Android◐ Partly / with an app◐ Partly / with an app
    Plays on Windows◐ Partly / with an app✓ Yes
    Plays on Mac✓ Yes✓ Yes

    About M4V and AC3

    M4V: M4V is Apple's MP4 variant used for iTunes movies and TV shows. Unprotected M4V files are identical to MP4.

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

    Frequently asked questions

    How do I convert M4V to AC3 on my phone?
    Open this page in your phone's browser (Safari, Chrome, Samsung Internet), tap Choose files, pick your M4V, make sure AC3 is selected and tap Convert. The AC3 file is saved to your Downloads.
    Will converting M4V to AC3 reduce quality?
    Only the sound is kept — the picture is dropped, so the AC3 file is far smaller than the M4V video.
    Can I convert only part of the M4V?
    Yes. Open Advanced options → Trim and enter a start and end time.
    Is this M4V to AC3 converter free?
    Yes — completely free with no limits on the number of files, no watermark and no account. The site is supported by ads.
    Are my files uploaded to a server?
    No. The converter runs inside your browser using WebAssembly, so your files never leave your device. That's also why it works for private and confidential recordings.

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    Convert M4V to other formats

    M4V to MP4M4V to MOVM4V to MKVM4V to WEBMM4V to AVIM4V to FLVM4V to WMVM4V to 3GPM4V to MPGM4V to TSM4V to GIFM4V to MP3M4V to M4AM4V to M4RM4V to AACM4V to ALACM4V to WAVM4V to FLACM4V to OGGM4V to OPUSM4V to WEBAM4V to WMAM4V to AIFFM4V to CAF

    Convert other formats to AC3

    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 AC3MPG to AC3TS to AC3GIF to AC3MTS to AC3VOB to AC3HEVC to AC3RMVB to AC3

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