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M4A to AAC converter

Convert M4A to AAC for free, right in your browser. Your files never leave your device.

    Converted on your device · never uploaded · Free limits

    Where it runs
    On your device
    Free allowance
    Unlimited
    Typical time
    Usually under 5 seconds
    Sign-up
    Not needed

    What happens to your M4A

    This conversion runs inside your browser, so the file is never uploaded. Files over 400 MB are sent to our server instead, and deleted within 60 minutes.

    How to convert M4A to AAC

    1. Choose your file Tap Choose files and pick the M4A file, or drop it onto the page. You can add several at once.
    2. Convert to AAC The conversion starts on your device straight away. Nothing is uploaded.
    3. Download Tap Download to save the result.

    What is an M4A file?

    Apple's standard audio container, usually holding AAC audio. It sounds better than MP3 at the same size and is what iPhone voice memos and iTunes use.

    iPhone, Mac, Windows Media Player, VLC and Android play M4A.

    More about M4A files

    What is an AAC file?

    Raw AAC audio, the successor to MP3 used by YouTube, iTunes and most streaming services.

    VLC, iTunes, Android and most modern players open AAC.

    More about AAC files

    Questions

    Is converting M4A to AAC free?

    Yes, completely. This conversion runs on your device, so there is no daily limit and no sign-up. We never ask you to pay after you have converted.

    Is it safe to convert my M4A files here?

    Yes. The conversion happens inside your browser, and the file never leaves your phone or computer.

    How long does M4A to AAC take?

    Usually under 5 seconds. Bigger files take longer, and you can watch the progress on each file.

    Can I convert M4A to AAC on my iPhone or Android phone?

    Yes. The converter works in Safari, Chrome and any modern browser. Tap Choose files, pick from Photos or Files, and download the result to your phone.

    How do I open an AAC file?

    VLC, iTunes, Android and most modern players open AAC.

    Convert M4A to other formats

    Convert other files to AAC