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Convert FLV to CAF

Extract the audio from FLV 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 FLV to CAF

    1. 1

      Tap Choose files and select one or more FLV 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.

    FLV vs CAF

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

    FLVCAF
    Full nameFlash VideoCore Audio Format
    TypeVideoAudio
    CompressionLossyLossless
    Developed byAdobeApple
    Introduced20022005
    Plays on iPhone✕ No✓ Yes
    Plays on Android◐ Partly / with an app✕ No
    Plays on Windows◐ Partly / with an app✕ No
    Plays on Mac✕ No✓ Yes

    About FLV and CAF

    FLV: FLV is the Flash Video format that powered early YouTube. Flash is gone, so FLV files usually need converting to play today.

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

    FLV to MP4FLV to MOVFLV to MKVFLV to WEBMFLV to AVIFLV to WMVFLV to 3GPFLV to M4VFLV to MPGFLV to TSFLV to GIFFLV to MP3FLV to M4AFLV to M4RFLV to AACFLV to ALACFLV to WAVFLV to FLACFLV to OGGFLV to OPUSFLV to WEBAFLV to WMAFLV to AIFFFLV 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 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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