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Convert WEBM to M4A

Counter WEBM → M4A
Drop your files here .webm

    iPhones, some TVs and editing programs struggle to open WebM videos. M4A (AAC) sounds better than MP3 at the same size and plays natively on Apple devices.

    • Free
    • No sign-up
    • Batch conversion

    Why convert WEBM to M4A?

    To convert WEBM files to M4A, drop them on the counter above.

    Most files convert in seconds: no queue, no email address, and the M4A result saves straight to your computer or phone.

    How to convert WEBM to M4A

    1. Add your WEBM files

      Drag your WEBM files onto the counter or pick them with Choose files. You can add several at once.

    2. Check the settings

      The defaults suit most cases. Change quality, size or other options if you like; after a change, one click converts again.

    3. Conversion starts by itself

      Each file is converted to M4A and its row is stamped CONVERTED.

    4. Download your M4A file

      Get the file with Download. With several files you can download them all as one ZIP.

    WEBM vs M4A

    PropertyWEBMM4A
    Full nameWebMMPEG-4 Audio
    TypeVideoAudio
    CompressionLossyLossy
    Created byGoogleMPEG; Apple yaygınlaştırdı
    Year2010—
    Extensions.webm.m4a .m4b
    MIMEvideo/webmaudio/mp4

    About the formats

    WEBM

    WebM

    WebM is the open video format Google built for the web. It carries VP9 or AV1 video with Opus audio, and screen recordings and videos recorded in the browser are often WebM.

    All WEBM conversions

    M4A

    MPEG-4 Audio

    M4A is an MPEG-4 container that usually carries AAC audio. iPhone voice memos, iTunes music and many saved voice clips are M4A.

    All M4A conversions

    Frequently asked questions

    Is converting WEBM to M4A free?

    Yes, completely free. No account, no daily limit, no watermark and no queue.

    Will the sound quality drop?

    The soundtrack is re-encoded to M4A. At 192 kbps and above most listeners cannot tell it from the original.

    Does it work on a phone?

    Yes. It works on iPhone, iPad and Android, with no app to install.

    Is there a file size limit?

    There is no size limit set by us. Files of hundreds of MB convert too; very large files take longer and are handled more comfortably on a computer than on a phone.

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