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Convert MKV to AIFF

Extract the audio from MKV videos and save it as AIFF — ideal for uncompressed audio for Mac and pro audio software.

  • 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 MKV to AIFF

    1. 1

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

    2. 2

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

    MKV vs AIFF

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

    MKVAIFF
    Full nameMatroska VideoAudio Interchange File Format
    TypeVideoAudio
    CompressionLossyLossless
    Developed byMatroska.orgApple
    Introduced20021988
    Plays on iPhone✕ No✓ Yes
    Plays on Android◐ Partly / with an app◐ Partly / with an app
    Plays on Windows✓ Yes◐ Partly / with an app
    Plays on Mac◐ Partly / with an app✓ Yes

    About MKV and AIFF

    MKV: MKV is a flexible open container that can hold unlimited video, audio and subtitle tracks. It is popular for movies and anime but isn't supported by iPhone or most TVs out of the box.

    AIFF: AIFF is Apple's uncompressed audio format — the Mac equivalent of WAV. It is used in GarageBand, Logic Pro and professional audio workflows.

    Frequently asked questions

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