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Convert WMA to CAF

WMA is great for older Windows PCs and legacy media players, but CAF is the better choice for iOS app sounds and Apple developer workflows. Convert WMA to CAF in seconds, right in your browser.

  • 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 WMA to CAF

    1. 1

      Tap Choose files and select one or more WMA 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.

    WMA vs CAF

    CAF is lossless, but it can't restore detail already removed by WMA's compression — the file just gets bigger. Convert when an app or editor requires CAF.

    WMACAF
    Full nameWindows Media AudioCore Audio Format
    TypeAudioAudio
    CompressionLossyLossless
    Developed byMicrosoftApple
    Introduced19992005
    Plays on iPhone✕ No✓ Yes
    Plays on Android◐ Partly / with an app✕ No
    Plays on Windows✓ Yes✕ No
    Plays on Mac✕ No✓ Yes

    About WMA and CAF

    WMA: WMA is Microsoft's audio format, common on older Windows PCs, MP3 players and CD rips made with Windows Media Player.

    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 WMA to CAF on my phone?
    Open this page in your phone's browser (Safari, Chrome, Samsung Internet), tap Choose files, pick your WMA, make sure CAF is selected and tap Convert. The CAF file is saved to your Downloads.
    Will converting WMA to CAF reduce quality?
    CAF is lossless, but it can't restore detail already removed by WMA's compression — the file just gets bigger. Convert when an app or editor requires CAF.
    Is this WMA 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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