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Convert MP4 to AIFF

Extract the audio from MP4 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 MP4 to AIFF

    1. 1

      Tap Choose files and select one or more MP4 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.

    MP4 vs AIFF

    Only the sound is kept — the picture is dropped, so the AIFF file is far smaller than the MP4 video.

    MP4AIFF
    Full nameMPEG-4 Part 14Audio Interchange File Format
    TypeVideoAudio
    CompressionLossyLossless
    Developed byMPEGApple
    Introduced20011988
    Plays on iPhone✓ Yes✓ Yes
    Plays on Android✓ Yes◐ Partly / with an app
    Plays on Windows✓ Yes◐ Partly / with an app
    Plays on Mac✓ Yes✓ Yes

    About MP4 and AIFF

    MP4: MP4 is the universal video format. With H.264 video and AAC audio it plays on every iPhone, Android phone, smart TV, browser, WhatsApp, Instagram and YouTube.

    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 MP4 to AIFF on my phone?
    Open this page in your phone's browser (Safari, Chrome, Samsung Internet), tap Choose files, pick your MP4, make sure AIFF is selected and tap Convert. The AIFF file is saved to your Downloads.
    Will converting MP4 to AIFF reduce quality?
    Only the sound is kept — the picture is dropped, so the AIFF file is far smaller than the MP4 video.
    Can I convert only part of the MP4?
    Yes. Open Advanced options → Trim and enter a start and end time.
    Is this MP4 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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