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Convert M4V to CAF

Extract the audio from M4V videos and save it as CAF — ideal for iOS app sounds and Apple developer workflows.

  • 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 CAF

    1. 1

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

    2. 2

      Check that CAF 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 CAF downloads automatically. Converting several files? Grab them all as a ZIP.

    M4V vs CAF

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

    M4VCAF
    Full nameiTunes VideoCore Audio Format
    TypeVideoAudio
    CompressionLossyLossless
    Developed byAppleApple
    Introduced20032005
    Plays on iPhone✓ Yes✓ Yes
    Plays on Android◐ Partly / with an app✕ No
    Plays on Windows◐ Partly / with an app✕ No
    Plays on Mac✓ Yes✓ Yes

    About M4V and CAF

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

    CAF: CAF is Apple's flexible audio container used inside iOS and macOS apps and by GarageBand. Files can be any length and hold many codecs.

    Frequently asked questions

    How do I convert M4V to CAF on my phone?
    Open this page in your phone's browser (Safari, Chrome, Samsung Internet), tap Choose files, pick your M4V, make sure CAF is selected and tap Convert. The CAF file is saved to your Downloads.
    Will converting M4V to CAF reduce quality?
    Only the sound is kept — the picture is dropped, so the CAF 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 CAF 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 AC3

    Convert other formats to CAF

    MP3 to CAFM4A to CAFM4R to CAFAAC to CAFALAC to CAFWAV to CAFFLAC to CAFOGG to CAFOPUS to CAFWEBA to CAFWMA to CAFAIFF to CAFAC3 to CAFAMR to CAF3GA to CAFAPE to CAFMP4 to CAFMOV to CAFMKV to CAFWEBM to CAFAVI to CAFFLV to CAFWMV to CAF3GP to CAFMPG to CAFTS to CAFGIF to CAFMTS to CAFVOB to CAFHEVC to CAFRMVB to CAF

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