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Convert AVI to CAF

Extract the audio from AVI 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 AVI to CAF

    1. 1

      Tap Choose files and select one or more AVI 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.

    AVI vs CAF

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

    AVICAF
    Full nameAudio Video InterleaveCore Audio Format
    TypeVideoAudio
    CompressionLossyLossless
    Developed byMicrosoftApple
    Introduced19922005
    Plays on iPhone✕ No✓ Yes
    Plays on Android◐ Partly / with an app✕ No
    Plays on Windows✓ Yes✕ No
    Plays on Mac◐ Partly / with an app✓ Yes

    About AVI and CAF

    AVI: AVI is Microsoft's classic video format from the Windows 95 era. It is still used by older cameras, DVD players and Windows software.

    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 AVI to CAF on my phone?
    Open this page in your phone's browser (Safari, Chrome, Samsung Internet), tap Choose files, pick your AVI, make sure CAF is selected and tap Convert. The CAF file is saved to your Downloads.
    Will converting AVI to CAF reduce quality?
    Only the sound is kept — the picture is dropped, so the CAF file is far smaller than the AVI video.
    Can I convert only part of the AVI?
    Yes. Open Advanced options → Trim and enter a start and end time.
    Is this AVI 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 AVI to other formats

    AVI to MP4AVI to MOVAVI to MKVAVI to WEBMAVI to FLVAVI to WMVAVI to 3GPAVI to M4VAVI to MPGAVI to TSAVI to GIFAVI to MP3AVI to M4AAVI to M4RAVI to AACAVI to ALACAVI to WAVAVI to FLACAVI to OGGAVI to OPUSAVI to WEBAAVI to WMAAVI to AIFFAVI 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 CAFFLV to CAFWMV to CAF3GP to CAFM4V to CAFMPG to CAFTS to CAFGIF to CAFMTS to CAFVOB to CAFHEVC to CAFRMVB to CAF

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