Convertm4ropus
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M4R to Opus

Online Convert M4R to OPUS Use OnlineConvert online. Free fast! No registration is required.

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    How to convert M4R to OPUS?

    Online M4R to OPUS, you can put the M4R to OPUS format on your computer, tablet or mobile phone without downloading any software!

    Step 1

    Upload M4R file

    Select files from your computer, Google Drive, Dropbox, URL or by dragging them on the page.
    Step 2

    Select 'OPUS'

    Select output OPUS or any other format as the conversion result (click the Convert button)
    Step 3

    Download your M4R file

    After the conversion you can download your OPUS file and upload it to Google Drive, Dropbox.

    m4r : MPEG 4 Ringtones Audio

    M4R - is a digital multimedia container format used to store audio in mono channel mode. This format is suitable for store ringtones and it is widely used by Apple iPhone for its ringtones. Needless to say that M4R and M4A formats shares many similar features.

    opus : Sound coding format

    Opus is a sound encoding format, and Opus's predecessor was the celt encoder. Developed by the IETF for real-time voice transmission over the network, the standard format is RFC 6716.
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