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M4V to OPUS converter

Convert M4V to OPUS 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 M4V

    Only the soundtrack is kept and the picture is dropped. The audio is saved as OPUS at a high bitrate, so it sounds the same as the video.

    This conversion runs inside your browser, so the file is never uploaded. Files over 300 MB are sent to our server instead, and deleted within 60 minutes.

    How to convert M4V to OPUS

    1. Choose your file Tap Choose files and pick the M4V file, or drop it onto the page. You can add several at once.
    2. Convert to OPUS The conversion starts on your device straight away. Nothing is uploaded.
    3. Download Tap Download to save the result.

    What is an M4V file?

    Apple's variant of MP4 used by iTunes and the TV app.

    iPhone, Mac, VLC.

    More about M4V files

    What is an OPUS file?

    The modern codec used by WhatsApp voice notes, Discord and Zoom. It sounds excellent at very low bitrates, which makes it great for speech.

    Chrome, Firefox, VLC and Android play OPUS. Many car stereos and older players do not.

    More about OPUS files

    Questions

    Is converting M4V to OPUS 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 M4V files here?

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

    How long does M4V to OPUS take?

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

    Can I convert M4V to OPUS 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 OPUS file?

    Chrome, Firefox, VLC and Android play OPUS. Many car stereos and older players do not.

    Convert M4V to other formats

    Convert other files to OPUS