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Convert MKV to ALAC

Extract the audio from MKV videos and save it as ALAC — ideal for lossless music libraries on iPhone, iPad and Mac.

  • 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 ALAC

    1. 1

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

    2. 2

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

    MKV vs ALAC

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

    MKVALAC
    Full nameMatroska VideoApple Lossless Audio Codec
    TypeVideoAudio
    CompressionLossyLossless
    Developed byMatroska.orgApple
    Introduced20022004
    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 ALAC

    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.

    ALAC: ALAC is Apple's lossless format. It compresses audio to roughly half the size of WAV with zero quality loss and plays natively in Apple Music, iTunes and on every iPhone. It is saved with the .m4a extension.

    Frequently asked questions

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

    MKV to MP4MKV to MOVMKV to WEBMMKV to AVIMKV to FLVMKV to WMVMKV to 3GPMKV to M4VMKV to MPGMKV to TSMKV to GIFMKV to MP3MKV to M4AMKV to M4RMKV to AACMKV to WAVMKV to FLACMKV to OGGMKV to OPUSMKV to WEBAMKV to WMAMKV to AIFFMKV to AC3MKV to CAF

    Convert other formats to ALAC

    MP3 to ALACM4R to ALACAAC to ALACWAV to ALACFLAC to ALACOGG to ALACOPUS to ALACWEBA to ALACWMA to ALACAIFF to ALACAC3 to ALACCAF to ALACAMR to ALAC3GA to ALACAPE to ALACMP4 to ALACMOV to ALACWEBM to ALACAVI to ALACFLV to ALACWMV to ALAC3GP to ALACM4V to ALACMPG to ALACTS to ALACGIF to ALACMTS to ALACVOB to ALACHEVC to ALACRMVB to ALAC

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